mc68hc908jg16 Freescale Semiconductor, Inc, mc68hc908jg16 Datasheet - Page 75

• Manufacturer Part Number: mc68hc908jg16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

6.4 CPU Registers
6.4.1 Accumulator
MC68HC908JG16
MOTOROLA
—
Rev. 1.0
Figure 6-1
the memory map.
The accumulator is a general-purpose 8-bit register. The CPU uses the
accumulator to hold operands and the results of arithmetic/logic
operations.
Reset:
Read:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
15
15
15
Bit 7
Central Processor Unit (CPU)
shows the five CPU registers. CPU registers are not part of
Go to: www.freescale.com
H
6
Figure 6-2. Accumulator (A)
Figure 6-1. CPU Registers
V 1 1 H I N Z C
7
7
5
X
Unaffected by reset
4
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)
3
Central Processor Unit (CPU)
2
1
CPU Registers
Technical Data
Bit 0
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