mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 52
mc68hc908rf2
Manufacturer Part Number
mc68hc908rf2
Description
M68hc08 Microcontrollers Microcontroller / Transmitter
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908RF2.pdf
(188 pages)
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Central Processor Unit (CPU)
5.3 CPU Registers
5.3.1 Accumulator
Data Sheet
52
Figure 5-1
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
shows the five CPU registers. CPU registers are not part of the memory
Go to: www.freescale.com
H
Central Processor Unit (CPU)
6
Figure 5-2. Accumulator (A)
Figure 5-1. CPU Registers
7
V 1 1 H I N Z C
7
5
X
Unaffected by reset
4
0
0
0
0
0
ACCUMULATOR (A)
INDEX REGISTER (H:X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
CONDITION CODE REGISTER (CCR)
CARRY/BORROW FLAG
ZERO FLAG
NEGATIVE FLAG
INTERRUPT MASK
HALF-CARRY FLAG
TWO’S COMPLEMENT OVERFLOW FLAG
3
2
MC68HC908RF2 — Rev. 4.0
1
MOTOROLA
Bit 0
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