Freescale Semiconductor, Inc.
Technical Data — MC68HC705C8A
Section 3. Central Processor Unit (CPU)
3.1 Contents
3.2
3.3
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Index Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . .47
3.4
Arithmetic/Logic Unit (ALU) . . . . . . . . . . . . . . . . . . . . . . . . . . .48
3.2 Introduction
This section describes the central processor unit (CPU) registers.
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data
Central Processor Unit (CPU)
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