参数资料
型号: MC68HC05C5CP
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封装: DIP-40
文件页数: 27/58页
文件大小: 166K
代理商: MC68HC05C5CP
Page 27
Section 4: CPU Core
MOTOROLA
MC68HC05C5 Specification Rev. 1.2
N
RESTORE REGISTERS
FROM STACK:
CCR, A, X, PC
IRQ
EXTERNAL
INTERRUPT
LOAD PC FROM:
SWI: $1FFC-$1FFD
IRQ: $1FFA-$1FFB
Timer: $1FF8-$1FF9
SET I BIT IN
CC REGISTER
STACK
PC, X, A, CCR
CLEAR IRQ
REQUEST
LATCH
FETCH NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
N
Figure 4-4: Interrupt Flowchart
Y
N
I-BIT
IN CCR
SET ?
INTERNAL
TIMER
INTERRUPT
SWI
INSTRUCTION
?
N
Y
RTI
INSTRUCTION
?
Y
FROM
RESET
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