參數(shù)資料
型號: MC68HSC05C9AFN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 95/162頁
文件大小: 1093K
代理商: MC68HSC05C9AFN
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Central Processor Unit (CPU)
Advance Information
MC68HC05C9A Rev. 5.0
38
Central Processor Unit (CPU)
MOTOROLA
3.3 CPU Registers
The microcontroller unit (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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