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. : PCMCIA Core : : . ' : :. VHDL . - PowerPoint PPT Presentation

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  • :PCMCIA Core : :

  • ': : VHDL .

  • PCMCIA?PCMCIAPCMCIA

  • ' : PCMCIA ? . - CARD - SOCKET, .

  • PC - CARDPC Card , .

    - CARD I/O.

  • PC - CARD , , .

  • PC: :

    . .

  • : - Socket Controller. - HOST .- Socket Controller . CardBus Card, 16 bit Memory Card, 16 bit I/O PC Card. .

  • : Socket Services. -Socket Controller . - Socket . , - Socket Services Card Services.Card Services , .

  • '

    - PC , I/O . I/O .PC Card I/O 2 , I/O , - MEMORY ATTRIBUTE.

  • PC CARD INTERFACEPC CARD INTERFACE 16 68 .6 , . RESET, -SOCKET CONTROLLER - PC CARD MEMORY ONLY.

  • :CE#1 - CE2# - Card Enable.#REG , , - ATTRIBUTE.CARD ADDRESS 26 M64.DATA BUS 16 - DATA.#WE .

  • #OE . #IORD I/O - PC.#IOWR I/O - PC.#WAIT , .

  • INPACK# .#READY "", . WP - host . - VCC - host.

  • DataBusBuffers

    Address DecoderAddress

    Bus

    BuffersCONTROL

    LOGIC

    CommonMemory ArrayCard ConfigurationRegisters

    CE1CE2OEWRREGSA[0..25]D[0..15]I/O DeviceAttributeMemoryI/O ConnectorIORDIOWR

  • PC Memory Card:Components and Functions

  • Common Memory Area , /, . : FLASH, SRAM, ROM EPROM. - 16 , - 8.

  • Common Memory Area () - common . CIS, - CIS - common. CIS, - common . FLASH SRAM 250ns , - CIS 250ns.

  • Attribute Memory Area - CIS, , , . - CIS - common - attribute .

  • Attribute Memory Area () ROM EEPROM. - EEPROM . PC , attribute . - CIS .

  • Attribute Memory Area () , 0FFh. - attribute Null Attribute Memory - tuple - common . - attribute 300ns - 5V, - 3.3V 600ns.

  • Address Decoder . . 26 , .

  • I/O PC CardComponents and Functions

  • Attribute Memory For I/O PC Cards

    attribute. - host . - attribute - FCRS. 8 .

  • Attribute Memory For I/O PC Cards ()

    - attribute ROM EEPROM. .

  • Function Configuration Registers - attribute. FCRS. 8 - attribute. - attribute - CIS.

  • 1) Function Configuration Register - , - reset2) Function Configuration and Status Register - power down - audio3) Pin Replacement Register-

  • ()4) Socket and Copy Register- 5) Extended Status Register6) I/O Base Register - - LSB - I/O 7) I/O Base Register 1- , I

  • ()

    8) I/O Base Register 2- , II9) I/O Base Register 3- - MSB - I/O 10) I/O Size Register -

  • , - COR 0-5Configuration Index , . , 6 LevIREQ 1, level. 0, pulse

  • , - COR () 7SRESETSoft Reset 1, - reset. reset.

  • , - FCSR , Function Configuration and Status Register, . - FCSR . , .

  • I/O Address Decoder

    , independent - overlapping. - host socket controller . - PC - port .

  • I/O Address Decoder() M 64, - socket controller K 64.

    , overlapping, .

  • I/O Address Decoder

    Function

    REG#

    CE2#

    CE1#

    A0

    IORD#

    IOWR#

    D[15:8]

    D[7:0]

    16- bit I/O Read

    L

    L

    L

    L

    L

    H

    Odd Byte

    Even Byte

    16- bit I/O Write

    L

    L

    L

    L

    H

    L

    Odd Byte

    Even Byte

  • Interrupt Generation , pulse mode - level mode. - host - COR. IREQ#.- socket controller - IRQ .

  • Interrupt Generation () - Level mode - IREQ#. - host . - Pulse mode - IREQ#. 500 ns.