XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 130

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Central Processor Unit (CPU)
8.3 Features
8.4 CPU registers
Technical Data
130
Features of the CPU include the following:
Figure 8-1
the memory map.
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Full upward, object-code compatibility with M68HC05 family
16-bit stack pointer with stack manipulation instructions
16-bit index register with X-register manipulation instructions
8.4MHz CPU internal bus frequency
64K byte 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
Low-power STOP and WAIT Modes
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Central Processor Unit (CPU)
shows the five CPU registers. CPU registers are not part of
H
Figure 8-1. CPU registers
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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)
MC68HC908AZ60A — Rev 2.0
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