參數(shù)資料
型號: MC68CK338CPV14B1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 14.4 MHz, MICROCONTROLLER, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 81/133頁
文件大?。?/td> 944K
代理商: MC68CK338CPV14B1
MC68CK338
MOTOROLA
MC68CK338TS/D
51
4.4 Data Types
Six basic data types are supported:
Bits
Packed Binary Coded Decimal Digits
Byte Integers (8 bits)
Word Integers (16 bits)
Long Word Integers (32 bits)
Quad Word Integers (64 bits)
4.5 Addressing Modes
Addressing in the CPU32L is register-oriented. Most instructions allow the results of the specified op-
eration to be placed either in a register or directly in memory. This flexibility eliminates the need for extra
instructions to store register contents in memory. The CPU32L supports seven basic addressing
modes:
Register direct
Register indirect
Register indirect with index
Program counter indirect with displacement
Program counter indirect with index
Absolute
Immediate
Included in the register indirect addressing modes are the capabilities to post-increment, predecrement,
and offset. The program counter relative mode also has index and offset capabilities. In addition to
these addressing modes, many instructions implicitly specify the use of the status register, stack point-
er, or program counter.
4.6 Instruction Set Summary
Table 33 provides a summary of the CPU32L instruction set.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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