參數(shù)資料
型號: MC68HC05X4CDW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Microcontroller Unit
中文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 55/156頁
文件大?。?/td> 926K
代理商: MC68HC05X4CDW
Resets, Interrupts and Low Power Modes
Low power modes
MC68HC05X4 Rev 1.0
MOTOROLA
Resets, Interrupts and Low Power Modes
For More Information On This Product,
Go to: www.freescale.com
55
9-resets
Figure 2. Reset flow chart
Load PC from:
SWI:
CIRQ:
Core timer:$1FF8-$1FF9
WOI:
$1FF6-$1FF7
16-bit timer:$1FF4-$1FF5
$1FFC-$1FFD
$1FFA-$1FFB
Reset
Is I-bit set
Fetch next
instruction
Execute
instruction
Clear relevant IRQ
request latch
Stack
PC, X, A, CC
Restore registers
from stack:
CC, A, X, PC
No
Yes
No
No
No
Yes
Yes
No
Yes
Yes
CIRQ
interrupt
Core timer
WOI
interrupt
No
16-bit timer
SWI
instruction
RTI
instruction
Yes
No
Set I-bit
Yes
F
Freescale Semiconductor, Inc.
n
.
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