• 參數(shù)資料
    型號： 101-0404
    廠商： Rabbit Semiconductor
    文件頁數(shù)： 25/80頁
    文件大?。?/td> 0K
    描述： MODULE RABBITCORE RCM2000
    標(biāo)準(zhǔn)包裝： 1
    系列： RabbitCore®
    模塊/板類型： MPU 核心模塊
    適用于相關(guān)產(chǎn)品： RCM2000
    其它名稱： 316-1008
    User’s Manual
    27
    As shown in Table 2, pins PA0–PA7 can be used to allow the Rabbit 2000 to be a slave to
    another processor. PE0, PE1, PE4, and PE5 can be used as external interrupts INT0A,
    INT1A, INT0B, and INT1B. Pins PB0 and PB1 can be used to access the clock on Serial
    Port B and Serial Port A of the Rabbit microprocessor. Pins PD4 and PD6 can be pro-
    grammed to be optional serial outputs for Serial Ports B and A. PD5 and PD7 can be used
    as alternate serial inputs by Serial Ports B and A.
    4.1.1 Dedicated Inputs
    PB0 and PB1 are designated as inputs because the Rabbit 2000 is operating in an asyn-
    chronous mode. Four of the input-only pins are located on PB2–PB5. When Port C is used
    as a parallel port, PC1, PC3, PC5, and PC7 are also inputs only. All the inputs are pulled up
    with 47 k
    resistors. Figure 6 shows the locations of these pullup resistors.
    Figure 6. Locations of Digital Input Pullup Resistors
    NOTE: All the digital input pullup resistors are located on the bottom side of RCM2000
    boards marked 175-0168
    PB2–PB5 can instead be used for the slave port. PB2 and PB3 are slave write and slave
    read strobes, while PB4 and PB5 serve as slave address lines SA0 and SA1, and are used
    to access the slave registers (SD0–SD7), which is the alternate assignment for Parallel
    Port A. Parallel Port C pins PC1, PC3, PC5, and PC7 are inputs only can alternately be
    selectively enabled to serve as the serial data inputs for Serial Ports D, C, B, and A.
    4.1.2 Dedicated Outputs
    Two of the output-only pins are located on PB6–PB7. PB7 can also be used with the slave
    port as the /SLAVEATTN output. This configuration signifies that the slave is requesting
    attention from the master. When Port C is used as a parallel port, PC0, PC2, PC4 and PC6
    are outputs only. These pins can alternately serve as the serial data outputs for Serial Ports
    D, C, B, and A.
    J1
    U11
    C18
    R37
    R38
    R40
    R41
    R42
    R39
    R14
    C12
    C13
    R3
    R15
    R28
    C3
    Q14
    R5
    Q11
    Q10
    R16JP2
    D1
    C15
    R36
    C6
    R34
    R35
    U10
    R27
    U1
    U2
    R4
    Y1
    C1
    C2
    R2
    R1
    JP1
    TP3
    TP2
    J3
    PB5
    PB7
    GND
    PB4
    PB6
    PCLK
    D6
    D7
    D2
    D3
    D5
    D4
    D1
    D0
    PE7
    PE6
    PE5
    PE4
    PE3
    PE2
    PE1
    PE0
    /IOW
    /IOR
    /BEN
    /WDO
    PA1
    PA3
    PA5
    PA7
    PB1
    PB3
    GND
    PA0
    PA2
    PA4
    PA6
    PB0
    PB2
    J1
    VCC
    J2
    A12
    A10
    A8
    A6
    A4
    A2
    A0
    A11
    A9
    A7
    A5
    A3
    A1
    STAT
    PC0
    PC2
    PC4
    PC6
    PD0
    PD2
    PD4
    PD6
    GND
    VBAT
    PC1
    PC3
    PC5
    PC7
    PD1
    PD3
    PD5
    PD7
    VCC
    SM1
    GND
    VRAM
    SM0
    VCC
    /RESO
    /RSTI
    SRAM
    JP3
    TP1
    C7
    D3
    R1
    1
    U5
    R6
    R8
    D2
    R7
    C8 C9
    TP4
    Top Side
    R21
    R22
    R23
    R24
    R25
    R26
    Parallel
    Port
    B
    Input
    Pullup
    Resistors
    {
    Q13
    A12
    A6
    A4
    A2
    A0
    PC0
    PC2
    PC4
    PC6
    PD0
    PD2
    PD4
    PD6
    GND
    VBAT
    SM0
    /RESO
    VCC
    A10
    A8
    GND
    /RSTI
    SM1
    VRAM
    VCC
    PD7
    PD5
    PD3
    PD1
    PC7
    PC5
    PC3
    PC1
    STAT
    A1
    A3
    A5
    A7
    A9
    A11
    VCC
    PA1
    PA3
    PA5
    PA7
    PB1
    PB3
    PB5
    PB7
    GND
    D6
    D4
    D2
    D0
    /WDO
    /IOR
    PE0
    PE2
    PE4
    PE6
    /BEN
    /IOW
    PE1
    PE3
    PE5
    PE7
    D1
    D3
    D5
    D7
    PCLK
    PB6
    PB4
    PB2
    PB0
    PA6
    PA4
    PA2
    PA0
    GND
    Bottom Side
    C10
    C11
    C16
    R9
    RT
    1
    R12
    C19
    175-0201
    Flash
    EPROM
    Parallel Port C
    Input Pullup Resistors
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