MC68HC05P9A Datasheet, PDF (29/158 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
CPU
Introduction
CPU CONTROL UNIT
ARITHMETIC/LOGIC UNIT
76543210
ACCUMULATOR (A)
76543210
INDEX REGISTER (X)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 000000011
STACK POINTER (SP)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 00
PROGRAM COUNTER (PC)
76543210
1 1 1 H I N Z C CONDITION CODE REGISTER (CCR)
HALF-CARRY FLAG
INTERRUPT MASK
NEGATIVE FLAG
ZERO FLAG
CARRY/BORROW FLAG
Figure 11. CPU Programming Model
7-hc05cpu
MOTOROLA
CPU
29
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