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    參數(shù)資料
    型號: PSD9143V90JIT
    廠商: 意法半導體
    英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
    中文描述: Flash在系統(tǒng)可編程ISP的外設(shè)的8位微控制器
    文件頁數(shù): 18/110頁
    文件大?。?/td> 1737K
    代理商: PSD9143V90JIT
    PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
    18/110
    PSD REGISTER DESCRIPTION AND ADDRESS OFFSET
    Table
    6
    shows the offset addresses to the PSD
    registers relative to the CSIOP base address. The
    CSIOP space is the 256 bytes of address that is al-
    located by the user to the internal PSD registers.
    Table
    7
    provides brief descriptions of the registers
    in CSIOP space. The following section gives a
    more detailed description.
    Table 6. I/O Port Latched Address Output Assignments (Note1)
    Note: 1. See the section entitled
    I/O PORTS, page 51
    , on how to enable the Latched Address Output function.
    2. N/A = Not Applicable
    Table 7. Register Address Offset
    Note: 1. Other registers that are not part of the I/O ports.
    MCU
    Port A
    Port B
    Port A (3:0)
    Port A (7:4)
    Port B (3:0)
    Port B (7:4)
    8051XA (8-bit)
    N/A
    Address a7-a4
    Address a11-a8
    N/A
    80C251 (page mode)
    N/A
    N/A
    Address a11-a8
    Address a15-a12
    All other 8-bit multiplexed
    Address a3-a0
    Address a7-a4
    Address a3-a0
    Address a7-a4
    8-bit non-multiplexed bus
    N/A
    N/A
    Address a3-a0
    Address a7-a4
    Register Name
    Port A Port B Port C Port D Other
    1
    Description
    Data In
    00
    01
    10
    11
    Reads Port pin as input, MCU I/O input mode
    Control
    02
    03
    Selects mode between MCU I/O or Address Out
    Data Out
    04
    05
    12
    13
    Stores data for output to Port pins, MCU I/O
    output mode
    Direction
    06
    07
    14
    15
    Configures Port pin as input or output
    Drive Select
    08
    09
    16
    17
    Configures Port pins as either CMOS or Open
    Drain on some pins, while selecting high slew rate
    on other pins.
    Input Macrocell
    0A
    0B
    18
    Reads Input Macrocells
    Enable Out
    0C
    0D
    1A
    1B
    Reads the status of the output enable to the I/O
    Port driver
    Output Macrocells
    AB
    20
    20
    READ – reads output of macrocells AB
    WRITE – loads macrocell flip-flops
    Output Macrocells
    BC
    21
    21
    READ – reads output of macrocells BC
    WRITE – loads macrocell flip-flops
    Mask Macrocells AB
    22
    22
    Blocks writing to the Output Macrocells AB
    Mask Macrocells BC
    23
    23
    Blocks writing to the Output Macrocells BC
    Primary Flash
    Protection
    C0
    Read only – Primary Flash Sector Protection
    Secondary Flash
    memory Protection
    C2
    Read only – PSD Security and Secondary Flash
    memory Sector Protection
    JTAG Enable
    C7
    Enables JTAG Port
    PMMR0
    B0
    Power Management Register 0
    PMMR2
    B4
    Power Management Register 2
    Page
    E0
    Page Register
    VM
    E2
    Places PSD memory areas in Program and/or
    Data space on an individual basis.
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