mc68hc05pv8a Freescale Semiconductor, Inc, mc68hc05pv8a Datasheet - Page 44

• Manufacturer Part Number: mc68hc05pv8a
• Description: Mc68hc05pv8a Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Technical Data
3.2 CPU Registers
3.2.1 Accumulator
Technical Data
15
15
0
0
0
Reset:
0
0
PCH
10
0
Figure 3-1
the memory map.
The accumulator is a general-purpose 8-bit register. The CPU uses the
accumulator to hold operands and results of arithmetic and
non-arithmetic operations.
Bit 7
Freescale Semiconductor, Inc.
0
CARRY/BORROW FLAG
For More Information On This Product,
HALF-CARRY FLAG
0
8
INTERRUPT MASK
Figure 3-1 Programming Model
NEGATIVE FLAG
7
7
1
7
7
1
ZERO FLAG
shows the five CPU registers. CPU registers are not part of
6
6
1
1
CPU and Instruction Set
Go to: www.freescale.com
5
5
1
Figure 3-2 Accumulator
H
4
5
PCL
A
X
I
SP
N
Unaffected by reset
4
Z
C
0
0
0
0
0
INDEX REGISTER (X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
CONDITION CODE REGISTER (CCR)
ACCUMULATOR (A)
3
MC68HC(8)05PV8/A — Rev. 1.9
2
1
Bit 0