mc68hc08qa24 Freescale Semiconductor, Inc, mc68hc08qa24 Datasheet - Page 84

• Manufacturer Part Number: mc68hc08qa24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Central Processor Unit (CPU)
7.3 Features
7.4 CPU Registers
Technical Data
82
Features of the CPU include:
Figure 7-1
the memory map.
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Fully upward, object-code compatibility with the M68HC05 Family
16-bit stack pointer with stack manipulation instructions
16-bit index register with X-register manipulation instructions
8.4-MHz CPU internal bus frequency
64-Kbyte program/data memory space
16 addressing modes
Memory-to-memory data moves without using accumulator
Fast 8-bit by 8-bit multiply and 16-bit by 8-bit divide instructions
Enhanced binary coded decimal (BCD) data handling
Modular architecture with expandable internal bus definition for
extension of addressing range beyond 64 Kbytes
Low-power stop mode and wait mode
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Central Processor Unit (CPU)
shows the five CPU registers. CPU registers are not part of
H
Figure 7-1. CPU Registers
7
7
V 1 1 H I N Z C
X
0
0
0
0
0
CONDITION CODE REGISTER (CCR)
CARRY/BORROW FLAG
ZERO FLAG
NEGATIVE FLAG
INTERRUPT MASK
HALF-CARRY FLAG
TWO’S COMPLEMENT OVERFLOW FLAG
ACCUMULATOR (A)
INDEX REGISTER (H:X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
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MC68HC08QA24