參數(shù)資料
型號: MC68HC05C9ACFN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 89/160頁
文件大?。?/td> 783K
代理商: MC68HC05C9ACFN
NON-DISCLOSURE
AGREEMENT
REQUIRED
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
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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