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    參數(shù)資料
    型號: MC68HSC05C9ACB
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP42
    封裝: SHRINK, PLASTIC, DIP-42
    文件頁數(shù): 10/160頁
    文件大?。?/td> 4128K
    代理商: MC68HSC05C9ACB
    Instruction Set
    Instruction Types
    MC68HC05C9A Rev. 4.0
    General Release Specification
    Instruction Set
    NON-DISCLOSURE
    AGREEMENT
    REQUIRED
    11.4.2 Read-Modify-Write Instructions
    These instructions read a memory location or a register, modify its
    contents, and write the modified value back to the memory location or to
    the register.
    NOTE:
    Do not use read-modify-write operations on write-only registers.
    1. Unlike other read-modify-write instructions, BCLR and
    BSET use only direct addressing.
    2. TST is an exception to the read-modify-write sequence be-
    cause it does not write a replacement value.
    Table 11-2. Read-Modify-Write Instructions
    Instruction
    Mnemonic
    Arithmetic Shift Left (Same as LSL)
    ASL
    Arithmetic Shift Right
    ASR
    Bit Clear
    BCLR(1)
    Bit Set
    BSET(1)
    Clear Register
    CLR
    Complement (One’s Complement)
    COM
    Decrement
    DEC
    Increment
    INC
    Logical Shift Left (Same as ASL)
    LSL
    Logical Shift Right
    LSR
    Negate (Two’s Complement)
    NEG
    Rotate Left through Carry Bit
    ROL
    Rotate Right through Carry Bit
    ROR
    Test for Negative or Zero
    TST(2)
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    Freescale Semiconductor, Inc.
    For More Information On This Product,
    Go to: www.freescale.com
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