PAGE
35
20
MCUSoCIntelMCS-48MCS-48IntelMCS-51Single Chip MicroComputerMCU
MicroController UnitPhilips80518051SoC
20805110803182558155827908090832
C/OSII
200310
51
UART, RS232C, I2CSPI 1-WIRE2-WIRE3-WIRE125135689COS-II80C51
PROTEL99-SEPCB
TMD-1
2003-8-28
email [email protected]
2
TMD-1 5
1.1 5
1.2 6
1.3 7
1.4 9
1.5 11
1.6 13
51 14
1 I/O 14
2 I/O 17
3 62256 19
4 23
5 25
6 28
7 31
8 35
9 UART 37
10 RS232C 41
45
1 45
2 49
3 DS12887 53
64
4 65
72
5 76
80
1 84
2 87
3 90
4 95
101
101
1 102
I2C 105
I2C 105
1 EEPROM AT24C02SAA1064 115
2 I/OPCF8574A 122
3 PCF8574A620 129
4 A/DD/A PCF8591 139
5 PCF8583 146
6 LM92 153
DALLAS1-WIRE2-WIRE3-WIRE 163
1 DS18B20 1-WIRE163
2 DS1621 2-WIRE173
3 DS16203-WIRE182
8 SPI/MICROWIRE 191
1 16ISD4004
2 LM74 191
COS-II 201
1 COS-II80C51 201
2 COS-II 220
3 COS-II 225
1 I2C
2
3
4 COS-II
5 NATIONAL SEMICONDUCTOR DATA BOOK
6 DALLAS DATA BOOK
7 MAXIM DATA BOOK
8 PHILIPS DATA BOOK
:
I2CI2C
1 AT24C EEPROM
2 PCF8574
3 A/DD/A PCF8591
4 SAA1064
5 PCF8583
2
1 31PROTEL
2 31DDB
3
4 FLASHMAGIC.exe
5 FLASH MAGIC.DOC
6 2.1.exeReadme.txt
7 COS-II
8
1
11
51CPU
PCB
1
2
3PCB
PROTEL
1.2
A
CPU AT89C5189C51RD2H 6MHZ
RAM 62256 32K X 8 0000 ~ 7FFFH
88LED
YCLK2MHZ
+5V/2A+12V/0.5A,-12V/0.5A
TMD-1
+5V+12V-12VGND
P1
P2
SPI
RS232
UART
881
2
8
2
5
5
LED
LD7LD6LD0LD4LD3LD5LD2LD1
SW6SW0SW1SW2SW3SW4SW5SW7
J1J2
J17
J3J4
J6
J7
J5
J8
J16
J15
J14
J13
J12
J11
J10
J9
+5V
DZ1
DZ2
DZ3
P2.7
P1.2
P1.1
P1.0
P1.7
P1.0
P2.0
I2C
3-Wire
1-Wire
TMD-1
0
1
SW8
1111
1
1
1
1-1
1.3
1-1
/CS
1
8 74LS373
8600H/Y6
J2 10
2
8 74LS374
8100H/Y1
J3 10
3
74LS374
8200H (/Y2)
J7 26
4
LCD 74LS374
8500H /Y5
L1 16
5
BUSY
HD0HD3
8400H (/Y4) IN
6
8700H/Y7
7
1-WIREP1.2
J123
8
I2C P1.3P1.4I2C
J10 4
9
3-WIREP1.5, P1.6, P1.7
J11 5
10
SPIP1.1, P1.0, TXD ,RXD
J6 6
11
UART (RXD,TXD) +I/OP1.0 ~ P1.7
J4 16
12
HS1
13
RS232C (RXD,TXD)
J5 9
14
34
J134
15
34
J834
16
D0D7/RD/WR , A0A1RST , /Y0
J9 16
17
8SW0SW7
/Y3
18
8LED LD0LD7
19
/Y0 OUT
J17
20
J14
21
J15
22
P1
23
2MHZ
YCLK
24
J16
25
(/INT0)
KPUS
34J1J8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
RST
/RST
YALE
YCLK
/YWR
/YRD
D7
D6
D5
D4
D3
D2
D1
D0
YA3
YA2
YA1
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
YA0
/Y15
/Y14
/Y13
/Y12
/Y11
/Y10
/Y9
T0
T1
/INT0
/INT1
+12V
-12V
+5V
GND
GND
J7
1
2
3
4
5
6
7
8
9
10
11
12
13
/STB
VCC
O0
NC
O1
VCC
O2
VCC
O3
GND
O4
GND
O5
14
15
16
17
18
19
20
21
22
23
24
25
26
GND
O6
GND
O7
GND
NC
GND
BUSY
GND
GND
GND
NC
VCC
L1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VCC
A1
A0
E
D0
D1
D2
D3
D4
D5
D6
D7
NC
NC
J9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC
D0
D1
D2
D3
D4
D5
D6
D7
/YRD
/YWR
/YA0
/YA1
RST
/Y0
GND
UARTJ4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+5V
+5V
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
RXD
TXD
GND
GND
-12V
+12V
8J3
1
2
3
4
5
6
7
8
9
10
VCC
OD0
OD1
OD2
OD3
OD4
OD5
OD6
OD7
GND
8J2
1
2
3
4
5
6
7
8
9
10
VCC
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
GND
1-WIREJ12
1
2
3
GND
P1.2(DQ)
VCC
I2CJ10
1
2
3
4
GND
P1.3(SDA)
P1.4(SCL)
VCC
3-WIREJ11
1
2
3
4
5
GND
P1.5(DQ)
P1.6(CLK)
P1.7(/RST)
VCC
SPIJ6
1
2
3
4
5
6
GND
RXD (MOSI)
TXD(CLK)
P1.0(MISO)
P1.1(CS)
VCC
1.4
BUSCPUADDRESS BUSDATA BUSCONTROL BUS
1.
MCS-51P0I / O8LS TTLP1P2P3I / O4LS TTL1LS TTL0.4mAP08LS TTLP0I /
O3.2mA74LS245D0 ~ D71-2P074LS37374LS245P0I/OLSTTL74LS245DATA BUS
74LS24524mAP0
74LS245DIRCPU
/RD74LS24424mA74LS244A0A1A2A3/WR/RDALE2MHZCLK1-2
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U7
P8031(40)
/WR
/RD
ALE
T0
A8
A10
A11
A12
A13
A14
A15
A9
P17
P16
P15
P14
P13
P12
P11
P10
RXD
TXD
/INT1
/INT0
T1
/PSEN
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U100
74LS245
D0
D1
D3
D4
D5
D6
D7
D2
P00
VCC
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
DATA BUS
YA0
/YWR
A0
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U2
74LS244
YA1
YA2
/YRD
/RD
/WR
A2
A1
ALE
YALE
CLK
YCLK
A3
YA3
OC
1
C
11
1D
3
1Q
2
2D
4
2Q
5
3D
7
3Q
6
4D
8
4Q
9
5D
13
5Q
12
6D
14
6Q
15
7D
17
7Q
16
8D
18
8Q
19
U12
SN74LS373
ALE
A0
A1
A2
A3
A4
A5
A6
A7
P00
P01
P02
P03
P04
P05
P06
P07
2MHZ
1-2
2.
CPU / /CS3-874LS13816/CS16
1-3
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U6
74LS138
A10
/Y0
/Y1
/Y2
/Y3
/Y4
/Y5
/Y6
/Y7
A8
A9
A15
1
2
U1A
74LS04
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U3
74LS138
A10
/Y8
/Y9
/Y10
/Y11
/Y12
/Y13
/Y14
/Y15
A8
A9
A15
A11
(8000H--80FFH)
(8100H--81FFH)
(8200H--82FFH)
(8300H--83FFH)
(8400H--84FFH)
(8500H--85FFH)
(8600H--86FFH)
(8700H--87FFH)
(8800H--88FFH)
(8900H--89FFH)
(8A00H--8AFFH)
(8B00H--8BFFH)
(8C00H--8CFFH)
(8D00H--8DFFH)
(8E00H--8EFFH)
(8F00H--8FFFH)
CS:
CS:
1-3
1-2
/Y0
8000H
/Y8
8800H
/Y1
8100H
8
/Y9
8900H
/Y2
8200H
/Y10
8A00H
/Y3
8300H
SW0SW3PILSE
/Y11
8B00H
/Y4
8400H
BUSY+
HD0HD3
/Y12
8C00H
/Y5
8500H
LCD
/Y13
8D00H
/Y6
8600H
8
/Y14
8E00H
/Y7
8700H
1LED
/Y15
8F00H
DS12887
15
ICPHILIPSMOTOROLADALLASNATIONAL SEMICONDOCTOR, MAXIM
1I2CInter Integrated Circuit BusPHILIPS
2SPI( Serial Peripheral Interface) MOTOROLA
3MicrowireNATIONAL SEMICONDOCTOR
41-wire2-wire3-wireDALLAS
5MCS-51UART 0
I / O
Byte81632(Bit)A/DD/AI2C
400kb/1/
RS232CUSB
AT89C51I / O 1-41-71-WIRE2-WIRE3-WIRESPI2-WIREI2C
J1J1
1
2
3
J12
1-WIR
P1.2
R1
10K
AT89C51
VCC
GND
VCC
1
2
3
J1
1-WIR
DQ
1-WIRE DEVICE
GND
VCC
1-WIRE
T 1-4
1-41-WIRE
1
2
3
4
J1
IIC
VCC
1
2
3
4
J10
IIC
P1.4
P1.3
R2
10K
R1
10K
SCL
SDA
AT89C51
VCC
2-WIRE DEVICE
IIC DEVICE
VCC
GND
VCC
GND
2-WIRE
I I C BUS
T 1-5
OR
1-5I2C
1
2
3
4
5
J1
3-WIRE
1
2
3
4
5
J11
3-WIRE
P1.5
P1.6
P1.7
DQ
CLK
/RST
AT89C51
VCC
VCC
GND
3-WIRE DEVICE
GND
VCC
3-WIRE
T 1-6
R1
10K
R2
10K
R3
10K
1-6 3-WIRE
P1.0
RXD
TXD
/CS
SCK
MOSI
AT89C51
VCC
SPI DEVICE
VCC
GND
VCC
GND
SPI INTERFACE
P3.0
P3.1
1
2
3
4
5
6
J1
SPI
1
2
3
4
5
6
J6
SPI
MISO
P1.1
T 1-7
R1
10K
R2
10K
R3
10K
R4
10K
1-7 SPI
16
1 40TMD-1CPU ( AT89C51)
2 *.hexSW8RS232CPC*.hexTMD-1CPU AT89C51RD2HSW8AT89C51RD2HFLASH
MAGIC
3*.hex.*.hexAT89C51EEPROMCPUAT89C51
1 I/O
1
P151I/O
2
3P1
MAX708CYAL6MHZ SW8
8DZ2P1LD0LD7P1.0P1.7SW81.6
R24
10K
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P1 PORT
/MR
1
VCC
2
GND
3
PFI
4
RST
8
/RST
7
NC
6
PFO
5
U31
MAX708
/RST
RST
VCC
1
2
4
3
CYAL
3
1
2
SW8
KRST
VCC
P1.0
P1.1
P1.2
P1.3
P1.5
P1.6
P1.7
DZ2
P1.4
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U18
74LS244
LD0
LD1
LD2
LD3
LD7
LD6
LD5
LD4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP1
RESPACK4
T 2-1-1
2-1
4
1
28LED1
38LED2
5
1 DZ28
2
6
1A 8
ORG 0000H
LJMP MAIN
ORG 0100H
MAIN:
MOV SP,#7
MOVA,#01H
;
LOOP:
MOVP1,A
;P1
LCALLDELAY
;1
RLA
;,
SJMPLOOP
;
DELAY:
MOVR0,#10
;1R0R7R6
DELY0:
MOVR7,#100
;0.1
DELY1:
MOVR6,#250
;1mS
DJNZR6,$
DJNZR7,DELY1
DJNZR0,DELY0
RET
END
2B 8
ORG 0000H
LJMP MAIN
ORG 0100H
MAIN:
MOV SP,#7
MOVA,#0FFH
;
LOOP:
MOVP1,A
;P1
LCALLDELAY
;2
CPLA
;
SJMPLOOP
DELAY:
MOVR0,#20
;2R0R6R7
DELY0:
MOVR7,#100
;0.1
DELY1:
MOVR6,#250
;1mS
DJNZR6,$
DJNZR7,DELY1
DJNZR0,DELY0
RET
END
7
12558
2 I/O
1
P28P1851I/O
2
,
3
16DZ1DZ28SW0SW7P2SW0SW70OR
1P2.0P2.7CPUP2SW0SW7P18LD0LD7P1SW0SW7
VCC
3
1
2
SW0
3
1
2
SW1
3
1
2
SW2
3
1
2
SW3
3
1
2
SW4
3
1
2
SW5
3
1
2
SW6
3
1
2
SW7
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP1
10KX8
VCC
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
DZ1
PORT P2
AT89C51
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
DZ2
T 2-2-1
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U18
74LS244
LD0
LD1
LD2
LD3
LD7
LD6
LD5
LD4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP1
470X8
2-2
4
8SW0SW78P2CPUP28SW0SW7P1
5
1DZ1DZ216
2SW0SW7LD0LD7SW0SW7
6
ORG 0000H
LJMP MAIN
ORG 0030H
MAIN:
MOV SP,#7
MOV P1,#0FFH;P18
MOV P2,#0FFH;P2P2
LOOP:
MOV A,P2
;P28SW0SW7
MOV P1,A
;P1
MOV 20H,A;P220H
SCAN:
MOV A,P2
;P28SW0SW7
CJNE A,20H,LOOP;P1
SJMP SCAN;P2
END
7
74LS244
3 RAM 62256
1
2
,
3
2-3-1MAX708CYAL6MHZ 74LS245U374LS373U2862256 ( U19
)32K8D0D715A0A14/ RD /WRCPU62256
A1562256A15=062256
62256 0000H7FFFH
A15=18800H8FFFH
SW81.6
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
/RD
T1
/INT1
/INT0
/WR
T0
TXD
RXD
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
A15
A14
A13
A12
A11
A10
A9
A8
ADRRESS BUS
3
1
2
SW8
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U3
74LS245
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
D0
D1
D2
D3
D4
D5
D6
D7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
OC
1
C
11
1D
3
1Q
2
2D
4
2Q
5
3D
7
3Q
6
4D
8
4Q
9
5D
13
5Q
12
6D
14
6Q
15
7D
17
7Q
16
8D
18
8Q
19
U2
SN74ALS373
ALE
VCC
/RD
/WR
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
D0
11
D1
12
D2
13
GND
14
D3
15
D4
16
D5
17
D6
18
D7
19
CS#
20
A10
21
/RD
22
A11
23
A9
24
A8
25
A13
26
/WR
27
62256
VCC
28
U19
62256
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
A8
A9
A10
A11
A12
A13
A14
A15
A2
A3
A4
A5
A6
A7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
DZ2
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U18
74LS244
LD7
LD0
LD1
LD2
LD3
LD6
LD5
LD4
T 2-3-1
VCC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP1
470X8
2-3
51CPU MOVX A@DPTR
MOVX @DPTR , A
51CPURAM
2-4
P1P2I/OMCS-51126SS1S6SP1P2P2I/OP2
4
RAM 6225609912310009910010088P1
1+2+3++100 =100+1X 50 = 5050 (13BAH)8LED13BAH8BAH
5
1 RAMCPURAM 62256
2 DZ28DZ18
3
6
;62256
ORG 0
AJMP MAIN
ORG 0030H
MAIN:MOV SP,#7H
MOVDPTR,#0000H ;RAM 62256
MOVR7,#100
;
MOVA,#1
;
INPUT:MOVX@DPTR,A
;
INCA ;1
INCDPTR
;1
DJNZR7,INPUT ;100
MOV20H,#0
;0
MOVR7,#100
;
MOV DPTR,#0
OUTPUT: MOVX A,@DPTR ;
ADDA,20H
;
MOV20H,A
INCDPTR
;1
DJNZR7,OUTPUT ;100
MOVP1,20H
;LED8
LOOP:SJMPLOOP
END
7
2-3-2
MOVX A@DPTRMOVX @DPTR,A
4
1
LED
2
3
74LS374U218700H74LS244LEDa,b,c,d,e,f,g,hI/OT1
75451U24AU23LEDSW81.6
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
/RD
T1
/INT1
/INT0
/WR
T0
TXD
RXD
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
A15
A14
A13
A12
A11
A10
A9
A8
DATA BUS
ADRRESS BUS
3
1
2
SW8
OC
1
C
11
1D
3
1Q
2
2D
4
2Q
5
3D
7
3Q
6
4D
8
4Q
9
5D
13
5Q
12
6D
14
6Q
15
7D
17
7Q
16
8D
18
8Q
19
U2
SN74ALS373
ALE
VCC
/RD
/WR
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
D0
11
D1
12
D2
13
GND
14
D3
15
D4
16
D5
17
D6
18
D7
19
CS#
20
A10
21
/RD
22
A11
23
A9
24
A8
25
A13
26
/WR
27
62256
VCC
28
U19
62256
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
A8
A9
A10
A11
A12
A13
A14
A15
A2
A3
A4
A5
A6
A7
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U3
74LS245
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
D0
D1
D2
D3
D4
D5
D6
D7
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U22
74LS244
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U21
74LS374
D0
D1
D2
D3
D4
D5
D6
D7
R8
1K
R7
1K
R6
1K
R5
1K
R4
1K
R3
1K
R2
1K
R1
1K
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
U23
1
2
3
U24A
75451
T1
9
10
8
U8C
74LS32
/YWR
/Y7
T 2-4-1
2-5
4
#0#0F
5
6
;.ASM
ADRLEDEQU8700H
;
ORG 0000H
LJMP MAIN
ORG 0030H
MAIN:MOV SP,#7H
MOVR2,#0
;R20R2
MOVR5,#16
;16
CLRP3.5
;
STAR:DJNZR5,NEXT ;161,NEXT
MOVR5,#16
;161,
MOVR2,#0
;R20
NEXT:MOVDPTR,#TAB ;
MOVA,R2
MOVCA,@A+DPTR ;
MOV DPTR,#ADRLED ;
MOVX @DPTR,A
;()
INCR2
LCALL DELAY
;
JMPSTAR
DELAY:MOVR0,#10
;1sR0R7R6
DELY0:MOVR7,#100
;0.1s
DELY1:MOVR6,#250
;1ms
DJNZR6,$
DJNZR7,DELY1
DJNZR0,DELY0
RET
;3-2-17LED
TAB:
DB3FH,06H,5BH,4FH,66H,6DH,7DH,07H ;"0","1","2""7"
DB7FH,6FH,77H,7CH,39H,5EH,79H,71H ;"8","9","A","F"
END
7
5
1
216
3
SW0SW1SW2KPUSCPUSW0SW1SW2
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
/RD
T1
/INT1
/INT0
/WR
T0
TXD
RXD
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
3
1
2
SW8
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U3
74LS245
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
D0
D1
D2
D3
D4
D5
D6
D7
VCC
3
1
2
SW7
3
1
2
SW6
3
1
2
SW5
3
1
2
SW4
3
1
2
SW3
3
1
2
SW2
3
1
2
SW1
3
1
2
SW0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP?
10KX8
VCC
DATA BUS
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
LE
11
U17
74LS373
VCC
SW0
SW1
SW2
D0
D1
D2
D3
D4
D5
D6
D7
PULSE
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U22
74LS244
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U21
74LS374
D0
D1
D2
D3
D4
D5
D6
D7
R8
1K
R7
1K
R6
1K
R5
1K
R4
1K
R3
1K
R2
1K
R1
1K
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
U23
1
2
3
U24A
75451
T1
9
10
8
U8C
74LS32
/YWR
/Y7
4
5
6
U8B
74LS32
/RD
/Y3
T 2-5-1
VCC
/MR
1
VCC
2
GND
3
PFI
4
RST
8
/RST
7
NC
6
PFO
5
U31
MAX708
/RST
RST
VCC
1
2
4
3
CYAL
R24
10K
KRST
1
2
3
U7A
74LS00
11
12
13
U7D
74LS00
PULSE
/PULSE
R36
1K
R35
1K
1
3
2
KPUS
VCC
/INT0
1
2
U10A
7406
R34
10K
VCC
INTERRUPT KEY
2-6
KPUS/INT0CPUSW0SW1SW28300H`8700HT1DS75451SW81.616
4
5
SW0SW1SW2KPUSSW0SW1SW2 07
6
;.ASM
ADRLEDEQU8700H
;
ADRSWTEQU8300H
;SW0-SW2
ORG 0000H
LJMP MAIN
ORG 0003H
LJMP INT
ORG 0030H
MAIN: MOV
SP,#7
MOV
IE,#81H ;/INT0
CLR
P3.5
;T10
MOV DPTR, #ADRLED;
MOV A, #0FFH
;"8."
MOVX @DPTR,A
STAR: AJMP $ ;
;
INT: CLR
EA
;
MOV
DPTR,#ADRSWT
MOVX
A,@DPTR ;
JNB ACC.3,JUMP ;PULSE
LOOP1: MOV DPTR,#ADRSWT
MOVX A,@DPTR
JB
ACC.3,LOOP1
ANL A,#7 ;
ACALL DISPLAY
JUMP:SETB EA ;
RETI
DISPLAY: MOVDPTR, #TAB
;0F
MOVC A ,@A+DPTR
MOVDPTR,#ADRLED
MOVX @DPTR,A ;
RET
TAB: DB3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH; 09
END
7
0/INT01/INT1
6
1
2
,
3
VCC
R24
10K
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
/RD
T1
/INT1
/INT0
/WR
T0
TXD
RXD
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
A15
A14
A13
A12
A11
A10
A9
A8
DATA BUS
/MR
1
VCC
2
GND
3
PFI
4
RST
8
/RST
7
NC
6
PFO
5
U31
MAX708
/RST
RST
VCC
1
2
4
3
CYAL
3
1
2
SW8
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U3
74LS245
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
D0
D1
D2
D3
D4
D5
D6
D7
KRST
VCC
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U22
74LS244
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U21
74LS374
D0
D1
D2
D3
D4
D5
D6
D7
R8
1K
R7
1K
R6
1K
R5
1K
R4
1K
R3
1K
R2
1K
R1
1K
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
U23
1
2
3
U24A
75451
T1
9
10
8
U8C
74LS32
/YWR
/Y7
T 2-6-1
B1
BELL
6
7
5
U24BB
DS75451
VCC
T0
2-7
CPU8700H74LS37474LS244B1T0DS75451DS75451U24BT1DS75451U23DS75451U24ACYALMAX708SW81.6
4
1
5
1 DZ1DZ2DZ3DZ4
2
6
;TMD-1 T10.111
ADRLED EQU 8700H
;LED
ORG
0000H
LJMP MAIN
ORG
1BH
JMP
T1INT
;1
ORG
0100H
MAIN: MOV SP,#7H
MOV R2,#10 ;R20.1R2=#101
MOV TMOD,#10H ;11 (16)
MOV TL1,#0B0H ;10.1S
MOV TH1,#3CH ;(216-3CB0H)X12/6us=50000X2us=100ms
MOV IE,#88H ;1
MOV
R0,#0
;R0R0
MOV
R5,#16
;
SETB
P3.4 ;
CLR
P3.5 ;
MOV
A,#0FFH
;
MOV
DPTR,#ADRLED ;
MOVX @DPTR,A ;()
SETB TR1
LOOP: AJMP $
T1INT: CLR EA ;1,,
CJNE R2,#0,SD ;
ACALL BELL ;
MOV R2,#10 ;1
ACALL DISPLAY
INC R0
;1
SD: DEC R2 ;
MOV TL1, #0B0H ;1#3CB0H
MOV TH1,#3CH
CJNE R0, #16,SSD
MOV R0,#0
SSD: SETB EA
RETI
DISPLAY: MOVDPTR,#TAB
;
MOVA,R0
MOVCA,@A+DPTR ;
MOV DPTR,#ADRLED ;
MOVX @DPTR,A
;()
RET
TAB: DB3FH,06H,5BH,4FH,66H,6DH,7DH,07H;"0""7"
DB7FH,6FH,77H,7CH,39H,5EH,79H,71H ;"8""F"
BELL: CLR P3.4 ;
ACALL DELY
SETB P3.4
RET
DELY: MOV R7,#10 ;
SS: MOV R6,#0
DJNZ R6,$
DJNZ R7,SS
RET
END
7
6MHZ12MHZ1
7
1
1.
2.
2
5
3
2-8
DIO2
DIO4
DIO3
R33
10
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U20
74LS374
DIO5
D0
D1
D2
D3
D4
D5
D6
D7
1A
1
1B
2
1Y
3
GND
4
2Y
5
2A
6
2B
7
VCC
8
U25
75452
VCC
VCC
VCC
1A
1
1B
2
1Y
3
GND
4
2Y
5
2A
6
2B
7
VCC
8
U26
75452
5
6
U11C
74LS04
8
9
U11D
74LS04
1
2
3
4
5
J17
10
11
U11E
74LS04
VCC
12
13
U11F
74LS04
12
13
11
U8D
74LS32
/YWR
/Y0
DATA BUS
Q0
Q1
Q2
Q3
LB
LC
LD
LA
1
2
3
4
5
J1
STEPPING MOTOR
R1
R4
R2
R3
2-7-1
2-8
LALBLCLDDIO2DIO3DIO4DIO5
74LS3748400H CPU74LS374Q0Q1Q2Q3Q0Q1Q2Q374LS374Q0Q1Q2Q32-7-31
75452
=N ( N )
V
2-9
ABBCCDDA
ABBCCDDA
2-10
T 2-7-3
A
B
C
D
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
0
0
1
2
3
4
5
6
7
8
9
10
11
12
K
2
A
1
DIO4
LC1
C
K
2
A
1
D4
LD1
D
K
2
A
1
DIO3
LB1
K
2
A
1
DIO2
LA1
VCC
R14
R11
R8
R5
A
B
6
7
5
U1B
DS75452
1
2
3
U2A
DS75452
1
2
3
U1A
DS75452
5
6
U3C
74LS04
8
9
U3D
74LS04
6
7
5
U2B
DS75452
1
2
U3A
74LS04
3
4
U3B
74LS04
Q0
Q1
Q2
Q3
R33
10
0
1
2
3
A
B
C
D
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
4
5
6
7
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
2-10
4
5
1. 5J175J1
2
3.
6
;MOTOR.ASM
ORG 0
AJMP STEPPING
ORG 100H
STEPPING: MOV DPTR#8000H
MOV A,#03 ;AB
CPL A
MOVX @DPTRA
LCALL DELY
LCALL DELY
MOV A,#06
CPL A
MOVX @DPTRA ;BC
LCALL DELY
LCALL DELY
MOV A,#0CH ;CD
CPL A
MOVX @DPTRA
LCALL DELY
LCALL DELY
MOV A,#09 ;DA
CPL A
MOVX @DPTRA
LCALL DELY
LCALL DELY
AJMP STEPPING
DELY: MOV R7,#02H ;
SS1: MOV R6,#020H
SS2: MOV R5,#0FFH
SS3: DJNZ R5,SS3
DJNZ R6,SS2
DJNZ R7,SS1
RET
END
2-11
7
1
2.
8
1
1
2,
2
1
3
/
5V 12V 24V+5V~220VLAMP
P1.1U7BQ5D106D106
DZ3LAMP6V
2-12
4
5
6
U7B
74LS00
R28
3.3K
R29
5.6K
B
2
C
3
E
1
Q5
9014
DIO6
JDQ1
JDQ
1
2
J15
VCC
DS
LAMP
1
2
J1
P1.1
DZ3
2-12
4
1P1.1
2
5
1J152LAMP6V
2
6
;PRAGAM5.ASM
ORG 00H
AJMP FG
ORG 100H
FG: SETB P1.1
LCALL DELYL
LCALL DELYL
CLR P1.1
LCALL DELYL
LCALL DELYL
AJMP FG
RET
;
DELYL MOV R4,#2H
TTM2: CALL DEL0
DJNZ R4,TTM2
RET
DEL0: MOV R6,#0FFH
TM: MOV R7,#0FFH
DJNZ R7,$
DJNZ R6,TM
RET
END
7
1
2 2-8-1+5V220V220V
9 UART
UART 0 RXD(P3.0)TXDP3.18
2-13 UART 0
UART 0
(1)
UART1616UART
(2)
UART16
(3)
74LS16516S1S1674LS16416LED1LED1616TXDRXDP1.2P1.2=0RXDP1.2=1RXD
UART MODE 0
2-9-2
SER
10
P0
11
P1
12
P2
13
P3
14
P4
3
P5
4
P6
5
P7
6
CLK1
2
CLK2
15
PL
1
Q7
9
Q7
7
U7
74HC165
S9
S10
S11
S12
S13
S14
S15
S16
SER
10
P0
11
P1
12
P2
13
P3
14
P4
3
P5
4
P6
5
P7
6
CLK1
2
CLK2
15
PL
1
Q7
9
Q7
7
U8
74HC165
R17
10K
R18
10K
R19
10K
R20
10K
R21
10K
R22
1K
R23
10K
R24
10K
VCC
S1
S2
S3
S4
S5
S6
S7
S8
R25
10K
R26
10K
R27
10K
R28
10K
R29
10K
R30
10K
R31
10K
R32
10K
11
12
13
U4D
74HC125
8
9
10
U4C
74HC125
10
11
U3E
74HC04
1
1
2
2
D1
LED
1
1
2
2
D2
LED
1
1
2
2
D3
LED
1
1
2
2
D4
LED
1
1
2
2
D5
LED
1
1
2
2
D6
LED
1
1
2
2
D7
LED
1
1
2
2
D8
LED
R1
R2
R3
R4
R5
R6
R7
R8
1
1
2
2
D9
LED
1
1
2
2
D10
LED
1
1
2
2
D11
LED
1
1
2
2
D12
LED
1
1
2
2
D13
LED
1
1
2
2
D14
LED
1
1
2
2
D15
LED
1
1
2
2
D16
LED
R9
R10
R11
R12
R13
R14
R15
R16
220
VCC
1
2
U1A
74LS04
A
1
B
2
Q0
3
Q1
4
Q2
5
Q3
6
Q4
10
Q5
11
Q6
12
Q7
13
CLK
8
MR
9
U5
74HC164
A
1
B
2
Q0
3
Q1
4
Q2
5
Q3
6
Q4
10
Q5
11
Q6
12
Q7
13
CLK
8
MR
9
U6
74HC164
3
4
U1B
74HC04
5
6
U1C
74HC04
8
9
U1D
74HC04
10
11
U1E
74HC04
12
13
U1F
74HC04
1
2
U2A
74HC04
3
4
U2B
74HC04
5
6
U2C
74HC04
8
9
U2D
74HC04
10
11
U2E
74HC04
12
13
U2F
74HC04
1
2
U3A
74HC04
3
4
U3B
74HC04
5
6
U3C
74HC04
8
9
U3D
74HC04
1
2
3
U4A
74HC125
4
5
6
U4B
74HC125
RXD
TXD
220X16
VCC
P10
P11
P12
P13
P14
P15
P16
P17
RXD
TXD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J1
SERIAL PORT
+12V
-12V
2-14 UART
(4)
874LS164874LS165,UART01616
(5)
16J1J4,,16,16LED,,
(6)
INTER22.ASM ;8031 UART 0
MTD EQU 40H ;40H
MRD EQU 40H ;40H
ORG 0
AJMP START
ORG 30H
START: SETB P1.2 ;P1.2=1,
MOV R2,#2 ;R2,
CLR P1.1
;1674LS165
SETB P1.1
LCALL VUARTNI ;74LS16540H41H
CLR P1.2
;P1.2=0,
ACALL DELAY
CLR P1.0
;74LS164
SETB P1.0
MOV R2,#2
;R=2,
LCALL VUARTNO
;40H41H74LS164
AJMP START
RET
;UART0N
VUARTNO:MOV R0,#MTD ;R0
MOV SCON,#0 ;UART0
SOUT:MOV A,@R0 ;A
CLR TI ;
MOV SBUF,A ;
WAIO:JNB TI,WAIO ;
INC R0 ;
DJNZ R2,SOUT ;NSOUT
RET ;N
;UART0N
VUARTNI:MOV R0,#MRD ;R0
SIN: CLR RI ;
MOV SCON,#10H ;UART0REN=1
WAII:JNB RI,WAII ;SBUF
MOV A,SBUF ;A
MOV @R0,A;
INC R0 ;
DJNZ R2,SIN; ;N SIN
RET ;N
DELAY:MOV R7,#10H ;
DY:MOV R6,#0FFH
DJNZ R6,$
DJNZ R7,DY
RET
END
(7)
8031 UART 0 ,24,?
10 RS232C
1
RS232
2
TMD1RS232CPC
3
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INTR0/P3.2
12
INTR1/P3.3
13
TIMER 0/P3.4
14
TIMER 1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
EA
31
ALE
30
PSEN
29
P0.0(AD0)
39
P0.1(AD1)
38
P0.2(AD2)
37
P0.3(AD3)
36
P0.4(AD4)
35
P0.5(AD5)
34
P0.6(AD6)
33
P0.7(AD7)
32
P2.0(A8)
21
P2.1(A9)
22
P2.2(A10)
23
P2.3(A11)
24
P2.4(A12)
25
P2.5(A13)
26
P2.6(A14)
27
P2.7(A15)
28
VCC
40
VSS
20
U30
P8031(40)
VCC
VCC
ALE
/RD
T1
/INT1
/INT0
/WR
T0
TXD
RXD
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
3
1
2
SW8
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
U3
74LS245
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
D0
D1
D2
D3
D4
D5
D6
D7
VCC
3
1
2
SW7
3
1
2
SW6
3
1
2
SW5
3
1
2
SW4
3
1
2
SW3
3
1
2
SW2
3
1
2
SW1
3
1
2
SW0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP?
10KX8
VCC
DATA BUS
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
LE
11
U17
74LS373
VCC
SW0
SW1
SW2
D0
D1
D2
D3
D4
D5
D6
D7
PULSE
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U22
74LS244
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U21
74LS374
D0
D1
D2
D3
D4
D5
D6
D7
R8
1K
R7
1K
R6
1K
R5
1K
R4
1K
R3
1K
R2
1K
R1
1K
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
U23
1
2
3
U24A
75451
T1
9
10
8
U8C
74LS32
/YWR
/Y7
4
5
6
U8B
74LS32
/RD
/Y3
RS232C.SCH
T 2-10-1
1
2
3
U7A
74LS00
11
12
13
U7D
74LS00
PULSE
/PULSE
R36
1K
R35
1K
1
3
2
KPUS
VCC
/INT0
1
2
U10A
7406
R34
10K
VCC
VCC
16
GND
15
D IN1
11
D IN2
10
D OUT1
14
D OUT2
7
R OUT2
9
R IN1
13
R IN2
8
C 1-
3
C 2-
5
C 2+
4
C 1+
1
V+
2
V-
6
R OUT1
12
U27
MAX232
VCC
VCC
TXD
RXD
C4
0.1U
C1
0.1U
C2
0.1U
C3
0.1U
1
2
DZ4
1
6
2
7
3
8
4
9
5
J5
RS232
2-15
SW8,1.6
U7AU7DRSKPUSPULSEPULSEU10A/INT08300HSW0SW1SW207
U27MAX232CPUTTL00V0.35V,
12V5VRS232C1-3V-15V0+3V+15V9J5RS232PC
4
1 TMD-1PC
2 TMD-1PC
5
1 RS232CTMD-1J5PCRS232
2 DZ4
3 PC2.1.exe ()
4 PC1200AB
5 PC2.1.exeTMD-1ATMD-1PCSW0SW1SW2KPUS PCTMD-1PCTMD-1
6 TMD-1BPC2.1.exePC09PCPCTMD-1 TMD-1
6
A SW0SW1SW2PCTMD-107
ADRLEDEQU8700H
;
ADRSWTEQU8300H
;SW0SW3
DAT
EQU21H
;
ORG 0000H
LJMP MAIN
ORG 0003H
LJMP INT
ORG 0100H
MAIN:
MOV SP,#60H
MOVIE,#81H
;,0
MOVPSW,#00H
SETBIT0
;
CLR P3.5
;
MOV DPTR,#ADRLED
;
MOV A,#0FFH
;8
MOVX @DPTR,A
MOVSCON,#52H
;1
MOVTMOD,#20H
;T12
MOVTH1,#0F3H
;1200
MOVTL1,#0F3H
SETBTR1
;T1
STAR:
JNB
PSW.5,STAR
;
CLR
PSW.5
MOVA,DAT
;DAT
ANLA,#07H
;3
MOVDAT,A
MOVDPTR,#TAB
MOVCA,@A+DPTR
;
MOVDPTR,#ADRLED
MOVX@DPTR,A
JNB
TI,$
;
CLR
TI
;
MOVA,DAT
ADDA,#30H
;ASCII
MOVSBUF,A
;1
JMP
STAR
INT:
PUSHDPH
;
PUSHDPL
PUSHACC
MOVDPTR,#ADRSWT
;
MOVXA,@DPTR
JNB
ACC.3,JUMP;,
LOOP1:
MOVDPTR,#ADRSWT
;
MOVXA,@DPTR
JB
ACC.3,LOOP1
MOVDAT,A
;DAT
SETBPSW.5
;
JUMP:
POP
ACC
POP
DPL
POP
DPH
RETI
TAB:
DB3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH;09
END
BPCTMD-109TMD-1
ADRLED EQU8700H
;
ORG
0000H
AJMP
MAIN
ORG
0100H
MAIN:
MOV
SP,#60H
MOV
SCON,#52H;1
MOV
TMOD,#20H;12
MOV
TH1,#0F3H;1200
MOV
TL1,#0F3H
SETB
TR1
;1
CLR
P3.5
;
MOV
DPTR,#ADRLED ;
MOV
A,#0FFH
MOVX
@DPTR,A ;
WAIT:
JNB
RI,WAIT
;
CLR
RI
;
MOV
A,SBUF
;
CJNE
A,#30H,J1 ;30H39H
JMP
J3
J1:
JC
WAIT
;30H,
CJNE
A,#40H,J2
JMP
WAIT
;40H,
J2:
JNC
WAIT
;40H,
J3:
CLR
C
;
SUBB
A,#30H
MOV
DPTR,#TAB
MOVC
A,@A+DPTR
MOV
DPTR,#ADRLED ;
MOVX
@DPTR,A
JMP
WAIT
TAB:
DB
3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH;09
END
7
RS232C12002400
1
1
1. ,88
2.
2
10
3
74LS3738/Y674LS3738600H74LS3748/Y174LS3748100H
74LS373G(11)/OE1DQQDG/OE()QZ
74LS374DQ/OE()QZ
3-1-1 74LS373 3-1-2 74LS374
/OE
G D
L
H H
H
L
H L
L
L
L X
Q0
H
X X
Z
/OE
D
L
H
H
L
L
L
L
L X
Q0
H
X X
Z
3-2
3-2
K1K8 888
3-1 74LS37374LS374
1
1
2
2
LED8
1
1
2
2
LED5
1
1
2
2
LED4
1
1
2
2
LED6
1
1
2
2
LED2
1
1
2
2
LED7
1
1
2
2
LED1
1
1
2
2
LED3
R10
220
R3
220
R4
220
R5
220
R6
220
R7
220
R8
220
R9
220
1
2
U4A
3
4
U6B
5
6
U4C
8
9
U4D
1
2
U5A
3
4
U5B
5
6
U5C
8
9
U5D
VCC
R11
10K
VCC
C
1
A
2
B
3
K1
C
1
A
2
B
3
K2
C
1
A
2
B
3
K3
C
1
A
2
B
3
K4
C
1
A
2
B
3
K5
C
1
A
2
B
3
K6
C
1
A
2
B
3
K7
C
1
A
2
B
3
K8
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
LE
11
U13
74LS373
VCC
D0
D1
D2
D3
D4
D5
D6
D7
4
5
6
U7B
74LS32
/Y6
/RD
8
9
10
U7C
74LS32
/Y1
/WR
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U2
74LS138
/Y0
/Y1
/Y2
/Y3
/Y4
/Y5
/Y6
/Y7
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
LE
11
U3
74LS373
A0
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
EA/VP
31
X1
19
X2
18
RESET
9
RD
17
WR
16
INT0
12
INT1
13
T0
14
T1
15
P10
1
P11
2
P12
3
P13
4
P14
5
P15
6
P16
7
P17
8
P00
39
P01
38
P02
37
P03
36
P04
35
P05
34
P06
33
P07
32
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
PSEN
29
ALE/P
30
TXD
11
RXD
10
U1
8031
D0
D1
D2
D3
D4
D5
D6
D7
A8
A9
A10
A11
A12
A13
A14
A15
S1
SW DPST
R1
180
R2
1K
C?
ELECTRO2
RST
RST
X1
X2
Y1
6MHz
C1
30p
C2
30p
X1
X2
VCC
J
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U14
74LS374
D0
D1
D2
D3
D4
D5
D6
D7
J
VCC
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
LE
11
U13
74LS373
VCC
D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
4
5
6
7
8
9
10
J1
CON10
VCC
VCC
1
2
3
4
5
6
7
8
9
10
J2
VCC
4
5
6
U9B
74LS32
/Y6
/RD
1
2
3
4
5
6
7
8
9
10
J2
VCC
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U14
74LS374
8
9
10
U9C
74LS32
/Y1
/WR
D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
4
5
6
7
8
9
10
J3
VCC
DATA BUS
R1
10K
VCC
C
1
A
2
B
3
K1
C
1
A
2
B
3
K2
C
1
A
2
B
3
K3
C
1
A
2
B
3
K4
C
1
A
2
B
3
K5
C
1
A
2
B
3
K6
C
1
A
2
B
3
K7
C
1
A
2
B
3
K8
1
1
2
2
LED8
1
1
2
2
LED5
1
1
2
2
LED4
1
1
2
2
LED6
1
1
2
2
LED2
1
1
2
2
LED7
1
1
2
2
LED1
1
1
2
2
LED3
R2
220
R3
220
R4
220
R5
220
R6
220
R7
220
R8
220
R9
220
1
2
U4A
3
4
U4B
5
6
U4C
8
9
U4D
1
2
U5A
3
4
U5B
5
6
U5C
8
9
U5D
3-2
4
CPU74LS373U138K1~K874LS374U148LED8LED8K1~K8
5
174LS37374LS374
210J18J2J2J3
340CPU
4
6
ORG 0
JMP START
ORG 100H
START MOV DPTR#8600H ;8600H8
MOVX A@DPTR
MOV DPTR,#8100H ;8100H8
MOVX @DPTR ,A
AJMP START
END
3-3
7
1 8LED
2 8LED
2
(1)
LED
(2)
634
(3)
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U3
74LS244
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
R1
R2
R3
R4
R5
R6
R7
R8
8X180
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U1
74LS374
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U2
74LS374
PB0
PB1
PB2
PB3
PB4
PB5
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
DATA BUS
1
2
3
U4A
74S32
4
5
6
U4B
74S32
/WR
/WR
/Y12
/Y11
T 3-2-1
VCC
h
g
f
e
d
c
b
a
/YWR
/YRD
/Y10
/Y9
YA1
YA2
YA0
YCLK
D7
D6
D5
D4
D3
D2
D1
D0
YALE
/Y11
/Y12
/Y13
/Y14
/Y15
T1
/INT0
/INT1
/RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
J13
BUS
T0
YA3
RST
+12V
-12V
1
2
3
U4A
DS75452
1
2
3
U5A
DS75452
6
7
5
U4B
1
2
3
U3A
DS75452
6
7
5
U3B
6
7
5
U5B
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS0
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS1
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS2
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS3
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS4
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS5
PB0
PB1
PB2
PB3
PB4
PB5
b
c
d
e
f
g
h
a
3-4
PBPC874LS374PB8B00HPC8C00HPB,PC74LS244LED6J134J1
7LED:
3-2-1 7LED
h
g
f
e
d
c
b
a
0
0
0
1
1
1
1
1
1
3FH
1
0
0
0
0
0
1
1
0
06H
2
0
1
0
1
1
0
1
1
5BH
3
0
1
0
0
1
1
1
1
4FH
4
0
1
1
0
0
1
1
0
66H
5
0
1
1
0
1
1
0
1
6DH
6
0
1
1
1
1
1
0
1
7DH
7
0
0
0
0
0
1
1
1
07H
8
0
1
1
1
1
1
1
1
7FH
9
0
1
1
0
1
1
1
1
6FH
A
0
1
1
1
0
1
1
1
77H
B
0
1
1
1
1
1
0
0
7CH
C
0
0
1
1
1
0
0
1
39H
D
0
1
0
1
1
1
1
0
5EH
E
0
1
1
1
1
0
0
1
79H
F
0
1
1
1
0
0
0
1
71H
P
0
1
1
1
0
0
1
1
73H
U
0
0
1
1
1
1
1
0
3EH
Y
0
1
1
0
1
1
1
0
6EH
0
0
0
0
0
0
0
0
00H
-
1
1
1
1
1
1
1
1
40H
(4)
RAM 71H76H123456
(5)
34J1J1J8,
(6)
; : 6CPU RAM 71H 76H
ORG 00H
AJMP START
ORG 0030H
START: ACALL SEND ;,RAM 71H76H16
DD: ACALL DISP ;
AJMP
DD
;
DISP: MOV
R2,#01H ; R2
MOV
R5,#6 ;6
MOV
R0,#71H ;71H
DSP1: MOV
DPTR,#8B00H ;#8B00HPB
MOV
A,R2
MOVX
@DPTR,A ;PB
MOV A,@R0 ;A
DSP2: MOV
DPTR,#BCD ;
MOVC
A,@A+DPTR ;
MOV
DPTR,#8C00H;#8C00HPC
MOVX @DPTR,A ;
ACALL DEL0 ;
MOV
A,R2
RL
A
MOV
R2,A
INC
R0
DJNZ R5, DSP1
RET
BCD: DB3FH,06H,5BH,4FH
;0123
DB66H,6DH,7DH,07H ;4567
DB7FH,6FH,77H,7CH ;89AB
DB39H,5EH,79H,71H ;CDEF
DB73H,3EH,31H,6EH ;PUZY
DB40H,00H ;-
DEL0: MOV
R6,#00H ;
TM: MOV
R7,#01H
DJNZ
R7,$
DJNZ
R6,TM
RET
;, RAM 71H76H:1, 2, 3, 4, 5, 6
SEND: MOV R7,#6
MOV R0,#71H
MOV A,#1
SS: MOV @R0,A
INC A
INC R0
DJNZ R7,SS
RET
END
7
6ABCDEF
3 DS12887
DS12887DALLASRTCREAL TIME CLOCKPCDS12887DS128872412DS12887
1
1.
2. DS12887
3.
2
LCD
3
1DS128873-3-1
DS128875VVCC+5VVSS
MOTMOTINTEL
MOTVCCMOTOROLA
89C51INTELMOT
SQR13
AD0AD7ASDS12887AS89C51ALE
/CSDS128878F00H
DS89C51 /RDW/R89C51 /WR
/IRQ
DS12887
NC
2
NC
3
VCC
24
AD5
9
AD4
8
AD3
7
AD2
6
AD1
5
AD0
4
AD7
11
MOT
1
AD6
10
NC
16
CS
13
AS
14
R/W
15
NC
21
DS
17
RST
18
SQW
23
NC
20
VSS
12
NC
22
IRQ
19
U5
DS12887(24)
D0
D1
D2
D3
D4
D5
D6
D7
/RST
/RD
/CS12887
ALE
/WR
GND
VCC
EA/VP
31
X1
19
X2
18
RESET
9
RD
17
WR
16
INT0
12
INT1
13
T0
14
T1
15
P10
1
P11
2
P12
3
P13
4
P14
5
P15
6
P16
7
P17
8
P00
39
P01
38
P02
37
P03
36
P04
35
P05
34
P06
33
P07
32
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
PSEN
29
ALE/P
30
TXD
11
RXD
10
U?
8031
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U?
74LS138
A8
A9
A10
A11
A12
A13
A14
A15
A8
A9
A10
A15
A11
RST
D0
D1
D2
D3
D4
D5
D6
D7
3-5 DS12887
2DS12887
DS12887128RAM410,114 RAM
DS12887A
UIP
DV2
DV1
DV0
RS3
RS2
RS1
RS0
UIP=1DS12887UIP=0DS12887
DV2DV1DV0010
RS3RS2RS1RS0
DS12887B
SET
PIE
AIE
UIE
SQWE
DM
24/12
DSE
SET=0SET=1PIE=1PIE=0
AIE=1PIE=0
UIE=1UIE=0
SQWESQWE=1RS3RS2RS1RS0
24/12 1 240 12
DSEDSE=1DSE=0
DS12887C
IRQF
PF
AF
UF
0
0
0
0
IRQFIRQF=PF*PIE+AFAIE+UF*UIE
PFPF=1
AF AF=1
UFUF=1
DS12887D
VRT
0
0
0
0
0
0
0
VRT VRT=1VRT=0
3 DS128873-3-1
3-3-1 DS12887
BCD
0
059
003B
0059
1
059
003B
0059
2
059
003B
0059
3
059
003B
0059
4
12
012
010C AM
818C PM
0112 AM
8192 PM
24
023
0017
0023
5
12
112
010C AM
818C PM
0112 AM
8192 PM
24
023
0017
0023
6
=1
17
0107
0107
7
131
011F
0131
8
112
010C
0112
9
099
0063
0099
10
A
11
B
12
C
13
D
50
099
NA
1920
DS12887
DATA BUS
DS12887.SCH
1
2
3
U4A
DS75452
1
2
3
U5A
DS75452
6
7
5
U4B
1
2
3
U3A
DS75452
6
7
5
U3B
6
7
5
U5B
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS0
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS1
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS2
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS3
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS4
a
b
f
c
g
d
e
DPY
[LEDgn]
e
1
d
2
GND
3
c
4
h
5
b
6
a
7
GND
8
f
9
g
10
DS5
PB0
PB1
PB2
PB3
PB4
PB5
T 3-3-2
a
b
c
d
e
f
h
g
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U1
74LS374
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OE
1
CLK
11
U2
74LS374
PB0
PB1
PB2
PB3
PB4
PB5
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
4
5
6
U4B
74S32
/WR
/Y11
1
2
3
U4A
74S32
/WR
/Y12
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
U3
74LS244
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
R1
R2
R3
R4
R5
R6
R7
R8
8X180
a
b
c
d
e
f
g
h
/CS12887
NC
2
NC
3
VCC
24
AD5
9
AD4
8
AD3
7
AD2
6
AD1
5
AD0
4
AD7
11
MOT
1
AD6
10
NC
16
CS
13
AS
14
R/W
15
NC
21
DS
17
RST
18
SQW
23
NC
20
VSS
12
NC
22
IRQ
19
U5
DS12887(24)
D0
D1
D2
D3
D4
D5
D6
D7
/RST
/YRD
/CS12887
YALE
/YWR
GND
VCC
VCC
/YWR
/YRD
/Y10
/Y9
YA1
YA2
YA0
YCLK
D7
D6
D5
D4
D3
D2
D1
D0
YALE
/Y11
/Y12
/Y13
/Y14
/Y15
T1
/INT0
/INT1
/RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
J3
BUS
T0
YA3
RST
+12V
-12V
3-6 DS12887
PC8C00Ha,b,c,d,e,f,g,hPB8B00HPC,PB74LS374
4.
41 DS12887
24DA12INITDS1288700H09H 2003 1223 12 46 35 24BCD DS12887
3-3-2 DS12887
DS12887
0009H
0008H
0007H
0006H
0005H
0004H
0003H
0002H
0001H
0000H
03
12
23
05
0FFH
12
0FFH
46
0FFH
35
DS12887
DS12INIT: MOV DPTR,#CS12887B
MOV A, #080H ; SET=1,
MOVX @DPTR,A
MOV DPTR,#CS12887 ;CS12887=8F00H
MOV A,#35H ;"35"
MOVX @DPTR,A
INC DPTR
MOV A,#0FFH ;NONE ALARM
MOVX @DPTR,A
INC DPTR
MOV A,#46H
MOVX @DPTR,A ; "46"
INC DPTR
MOV A,#0FFH
MOVX @DPTR,A ;NONE ALARM
INC DPTR
MOV A,#12H
MOVX @DPTR,A ; "12" ;HOURS
INC DPTR
MOV A,#0FFH ;NONE HOUR ALARM
MOVX @DPTR,A
INC DPTR
MOV A,#5H ;DAY OF THE WEEK"5"
MOVX @DPTR,A
INC DPTR
MOV A,#23H
MOVX @DPTR,A ;DATA OF THE MONTH"23"
INC DPTR
MOV A,#12H
MOVX @DPTR,A ;MONTH "12"
INC DPTR
MOV A,#03 ;YEAR " 03 "
MOVX @DPTR,A
MOV DPTR,#CS12887C ;CS12887C=8F0CH
MOVX A,@DPTR ;CLEAR C
INC DPTR
MOVX A,@DPTR ;CLEAR D
MOV DPTR,#CS12887B ;BCD24
MOV A,#02H ;
MOVX @DPTR,A
RET
4.2 DS12T
DS12887RAM (62256)0000H0009H
3-3-3 RAM 0000H0009H
RAM
0009H
0008H
0007H
0006H
0005H
0004H
0003H
0002H
0001H
0000H
03
12
23
05
FFH
12
FFH
46
FFH
35
;DS12T
DS12T: MOV DPTR,#CS12887A ;UIP
MOVX A,@DPTR ;UIP=0,
JBC ACC.7,DS12T ;UIP=1,
MOV R0 ,#0H ;R0=#0,RAM (62256)
MOV DPTR, #CS12887 ; #CS12887=8F00HDS12887
RR0: MOVX A,@DPTR
MOV P2,#0 ;P2=#0,R0=#0,RAM (62256)0000H
MOVX @R0,A
INC DPTR
INC R0
CJNE R0 ,#10, RR0
MOV DPTR,#8F0CH
MOVX A,@DPTR ;CLEAR C
INC DPTR
MOVX A,@DPTR ;CLEAR D
MOV DPTR,#CS12887B ;BCD24
MOV A,#02H ;
MOVX @DPTR,A
RET
4.3 EXCHG
DS12TDS12887RAM 622560000H0009H3-3-3
89C51RAM 124635BCD89C51RAM 71H76H
71H
72H
73H
74H
75H
76H
01
02
04
06
03
05
20031223 BCD89C51RAM 77H7FH
77H
78H
79H
7AH
7BH
7CH
7DH
7EH
7FH
05
02
03
01
02
02
00
00
03
EXCHG: MOV 7DH,#0 ;7CH-7DH BCD
MOV 7CH,#2 ;(02 00)
MOV DPTR,#0009H ;7EH-7FH BCD
MOV R0,#7FH ;(00 03)
LCALL YMD
MOV DPTR,#0008H ;7BH-7AHBCD
MOV R0,#7BH
LCALL YMD
MOV DPTR,#0007H ;79H-78HBCD
MOV R0,#79H
LCALL YMD
MOV DPTR,#0006H ;77HBCD
MOVX A,@DPTR
MOV 77H,A
MOV DPTR,#0004H ;RAM62256 0005H71H76H
MOV R0,#72h ;72H71HBCD
LCALL YMD
MOV DPTR, #0002H
MOV R0, #74H ;74H73HBCD
LCALL YMD
MOV DPTR, #0000H
MOV R0, #76H ;76H-75HBCD
LCALL YMD
RET
YMD: MOVX A,@DPTR ;BCDBCD
MOV B,A
ANL A, #0FH
MOV @R0, A
DEC R0
MOV A ,B
SWAP A
ANL A, #0FH
MOV @R0,A
RET
4
3-3-3
3-7
5
1
2DS12INITINIT
3DS12DISP
12 4656
3-3-4
1
2
3
4
5
6
(71H)
(72H)
(73H)
(74H)
(75H)
(76H)
1
2
4
6
5
6
6
DS12INITDS128870000H0009H3-3-3DS12INITDS12INIT
A INIT
;DS12887INIT.ASM
CS12887A EQU 8F0AH ;DS12887A
CS12887B EQU 8F0BH ;DS12887B
CS12887C EQU 8F0CH ;
CS12887 EQU 8F00H ;DS12887
ORG 0
AJMP STAR0
ORG 100H
STAR0: DS12INIT
ENDD: AJMP ENDD
DS12DISP:;DS12887B.ASM
;6
CS12887A EQU 8F0AH ;DS12887A
CS12887B EQU 8F0BH ;DS12887B
CS12887 EQU 8F00H ;DS12887
PPB EQU 8B00H ;6
PPC EQU 8C00H ; 6
ORG 00
SJMP STAR
ORG 000BH ;/T0
LJMP TIME0
STAR: MOV SP,#07H ; LCALL DS12init ;
MOV TMOD,#01H ;MODE1163CB0H = 15536DT0
;t = (65536-TO) X X 12
MOV TL0,#0B0H ;65536-1553612us/6 = 100ms (6MHZ)
MOV TH0,#03CH
MOV IE,#80H ;
SETB TR0 ;
SETB ET0 ; T0
WAIT: LCALL DISP ;
AJMP WAIT
; /
TIME0: PUSH PSW
PUSH DPL
PUSH DPH
PUSH ACC
CLR EA
LCALL DS12T ;RAM 0000-000AH
LCALL EXCHG ;89C51 RAM 71H7FH
POP ACC ;
POP DPH
POP DPL
POP PSW
SETB EA
RETI
; .71H76H BCD
12 46563-3-5
3-3-5
1
2
3
4
5
6
(71H)
(72H)
(73H)
(74H)
(75H)
(76H)
1
2
4
6
5
6
DISP: CLR ET0
MOV R2, #01H ;
MOV R5, #6 ;
MOV R0 , #71H ;71H76H
DSP1: MOV DPTR ,#PPB
MOV A, R2
MOVX @DPTR, A ;
MOV A ,@R0
CJNE A, #0FFH, DSP2
MOV A, #21
DSP2: MOV DPTR, #BCD
MOVC A, @A+DPTR ;
MOV DPTR,#PPC
MOVX @DPTR,A ;
lCALL DEL0
MOV A,R2
RL
A
MOV R2,A
INC R0
DJNZ R5, DSP1
SETB ET0
RET
BCD: DB 3FH,06H,5BH,4FH
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