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    參數(shù)資料
    型號: MC68030RC16C
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 32-BIT, 16 MHz, MICROPROCESSOR, CPGA128
    封裝: LEAD FREE, PGA-128
    文件頁數(shù): 41/44頁
    文件大?。?/td> 499K
    代理商: MC68030RC16C
    6
    MC68EC030 TECHNICAL DATA
    MOTOROLA
    31
    15
    16
    0
    31
    0
    31
    15
    16
    0
    7
    8
    15
    0
    31
    0
    31
    0
    31
    0
    2
    (CCR)
    A7'
    (ISP)
    SR
    VBR
    SFC
    DFC
    A7"
    (MSP)
    CACR
    CAAR
    INTERRUPT
    STACK POINTER
    MASTER
    STACK POINTER
    STATUS
    REGISTER
    VECTOR
    BASE REGISTER
    ALTERNATE FUNCTION
    CACHE CONTROL
    REGISTER
    CACHE ADDRESS
    REGISTER
    31
    0
    31
    0
    AC0
    AC1
    ACCESS CONTROL
    REGISTER 0
    ACCESS CONTROL
    REGISTER 1
    CODE REGISTERS
    15
    0
    ACUSR
    ACU STATUS
    REGISTER
    Figure 4. Supervisor Programming Model Supplement
    The status register (see Figure 5) contains the interrupt priority mask (three bits) as well as the following
    condition codes: extend (X), negate (N), zero (Z), overflow (V), and carry (C). Additional control bits
    indicate that the controller is in the trace mode (T1 or T0), supervisor/user state (S), and master/interrupt
    state (M).
    T
    S
    III
    X
    N
    Z
    V
    C
    2
    1
    0
    15
    13
    10
    8
    4
    0
    INTERRUPT
    PRIORITY MASK
    SYSTEM BYTE
    USER BYTE
    CONDITION
    CODES
    1
    14
    000
    0
    T0
    M
    1
    12
    11
    9
    765
    32
    EXTEND
    NEGATIVE
    ZERO
    OVERFLOW
    CARRY
    TRACE ENABLE
    SUPERVISOR/USER STATE
    MASTER/INTERRUPT STATE
    Figure 5. Status Register
    F
    re
    e
    sc
    a
    le
    S
    e
    m
    ic
    o
    n
    d
    u
    c
    to
    r,
    I
    Freescale Semiconductor, Inc.
    For More Information On This Product,
    Go to: www.freescale.com
    n
    c
    ..
    .
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