MC68HC05V12 Datasheet, PDF (49/246 Pages) Freescale Semiconductor, Inc – HCMOS Microcontreller Unit

Freescale Semiconductor, Inc.
Technical Data — MC68HC05V12
Section 3. Central Processor Unit (CPU)
3.1 Contents
3.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
3.3 CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
3.3.1 Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
3.3.2 Index Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
3.3.3 Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
3.3.4 Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
3.3.5 Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . .53
3.4 Arithmetic/Logic Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
3.2 Introduction
This section describes the central processor unit (CPU) registers.
MC68HC05V12 — Rev. 2.0
Central Processor Unit (CPU)
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Technical Data