參數(shù)資料
型號: MC68HC05F4FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 108/130頁
文件大?。?/td> 2089K
代理商: MC68HC05F4FB
MC68HC05F4
MOTOROLA
8-5
RESETS AND INTERRUPTS
8
Figure 8-1 Interrupt owchart
Core timer
or CPI interrupt
?
IRQ/Key
external interrupt
?
Is
I-bit set
?
SWI
instruction
?
RTI
instruction
?
From
RESET
Execute
instruction
Restore registers
from stack:
CC, A, X, PC
Set I-bit
Stack:
PC, X, A, CC
Clear relevant
interrupt request
latch
No
Yes
Timer
interrupt
LVI
interrupt
No
Yes
?
Fetch next instruction
Load PC from:
SWI:
IRQ/Key:
CTIMER:
TIMER:
LVI:
$3FFC, $3FFD
$3FFA, $3FFB
$3FF8, $3FF9
$3FF6, $3FF7
$3FF4, $3FF5
TPG
75
05F4Book Page 5 Tuesday, August 5, 1997 1:10 pm
相關(guān)PDF資料
PDF描述
MC68HC05F5FN 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
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