參數(shù)資料
型號: MC68HSC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 34/160頁
文件大小: 783K
代理商: MC68HSC05C9A
L
G
R
Central Processing Unit
General Release Specification
MC68HC05C9A
Rev. 4.0
34
Central Processing Unit
MOTOROLA
3.3 CPU Registers
The MCU contains five registers as shown in the programming model of
Figure 3-1
. The interrupt stacking order is shown in
Figure 3-2
.
Figure 3-1. Programming Model
Figure 3-2. Interrupt Stacking Order
A
7
0
X
7
0
H
I
N
Z
C
CCR
1
1
SP
7
0
PC
13
0
ACCUMULATOR
INDEX REGISTER
PROGRAMCOUNTER
STACK POINTER
CONDITION CODE REGISTER
0
13
0
0
0
0
0
INDEX REGISTER
PCL
ACCUMULATOR
CONDITION CODE REGISTER
PCH
1
1
1
7
0
STACK
I
N
T
E
R
R
U
P
T
DECREASING
MEMORY
ADDRESSES
UNSTACK
R
E
T
U
R
N
INCREASING
MEMORY
ADDRESSES
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