參數(shù)資料
型號: MC68HC05L16CFU
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 84/146頁
文件大?。?/td> 852K
代理商: MC68HC05L16CFU
Resets and Interrupts
MC68HC05L16 MC68HC705L16 Data Sheet, Rev. 4.1
42
Freescale Semiconductor
Figure 4-4. Interrupt Flowchart
INTERNAL
INTERRUPT(1)
IRQ
EXTERNAL
INTERRUPT
LOAD PC FROM
SWI:
$FFFC–$FFFD
IRQx:
$FFFA–$FFFB
KWI:
$FFF8–$FFF9
TIMER 1:
$FFF6–$FFF7
TIMER 2:
$FFF4–$FFF5
SSPI:
$FFF2–$FFF3
TBI:
$FFF0–$FFF1
SET I BIT IN
CC REGISTER
STACK
PC, X, A, CCR
CLEAR IRQ
REQUEST
LATCH
FETCH NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
N
Y
N
I BIT
IN CCR
SET ?
SWI
INSTRUCTION
?
N
Y
RTI
INSTRUCTION
?
N
Y
RESTORE REGISTERS
FROM STACK:
CCR, A, X, PC
1. KWI, timer 1, timer 2, SSPI, and TBI
FROM RESET
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