參數(shù)資料
型號: MC68HC11D3CFN3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 90/138頁
文件大小: 1047K
代理商: MC68HC11D3CFN3
Interrupts
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
55
Figure 4-5. Interrupt Priority Resolution (Sheet 1 of 2)
2A
BEGIN
SET X BIT
FETCH VECTOR
$FFF4, $FFF5
X BIT
IN CCR
SET ?
Y
N
XIRQ PIN
LOW ?
Y
N
HIGHEST
PRIORITY
INTERRUPT
?
Y
N
IRQ ?
Y
N
FETCH VECTOR
$FFF2, $FFF3
FETCH VECTOR
$FFF0, $FFF1
RTII = 1 ?
Y
N
REAL-TIME
INTERRUPT
?
Y
N
FETCH VECTOR
$FFEE, $FFEF
IC1I = 1 ?
Y
N
TIMER
IC1F ?
Y
N
FETCH VECTOR
$FFEC, $FFED
IC2I = 1 ?
Y
N
TIMER
IC2F ?
Y
N
FETCH VECTOR
$FFEA, $FFEB
IC3I = 1 ?
Y
N
TIMER
IC3F ?
Y
N
FETCH VECTOR
$FFE8, $FFE9
OC1I = 1 ?
Y
N
TIMER
OC1F ?
Y
N
2B
FETCH VECTOR
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