MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 60

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Central Processor Unit (CPU)
5.3 Features
5.4 CPU Registers
Technical Data
60
Features of the CPU08 include:
Figure 5-1
the memory map.
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Object code fully upward-compatible with M68HC05 Family
16-bit stack pointer with stack manipulation instructions
16-bit index register with X-register manipulation instructions
8-MHz 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 and wait modes
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15
shows the five CPU registers. CPU registers are not part of
Central Processor Unit (CPU)
H
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
Figure 5-1. CPU Registers
V 1 1 H I N Z C
7
7
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)
MOTOROLA