参数资料
型号: MC68HC05C9AB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 89/160页
文件大小: 4128K
代理商: MC68HC05C9AB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Central Processing Unit
General Release Specification
MC68HC05C9A Rev. 4.0
Central Processing Unit
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
70
X
70
HI
N
Z
C
CCR
11
SP
7
0
PC
13
0
ACCUMULATOR
INDEX REGISTER
PROGRAM COUNTER
STACK POINTER
CONDITION CODE REGISTER
0
13
0
INDEX REGISTER
PCL
ACCUMULATOR
CONDITION CODE REGISTER
PCH
11
1
70
STACK
I
N
T
E
R
U
P
T
DECREASING
UNSTACK
R
E
T
U
R
N
INCREASING
MEMORY
ADDRESSES
MEMORY
ADDRESSES
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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