參數(shù)資料
型號: MC68HC05X4CDWR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 121/168頁
文件大小: 656K
代理商: MC68HC05X4CDWR2
Resets, Interrupts and Low Power Modes
MC68HC05X4
56
Resets, Interrupts and Low Power Modes
MOTOROLA
Figure 3. STOP and WAIT flow charts
16-bit timer
interrupt?
WOI
interrupt?
Core timer
interrupt?
Stop oscillator and
all clocks.
Clear I bit.
STOP
WAIT
Reset
?
CIRQ/WOI
?
Reset
?
(1) Fetch reset vector
or
(2) Service interrupt:
a. stack
b. set I-bit
c. vector to
interrupt
routine
(1) Fetch reset vector
or
(2) Service interrupt:
a. stack
b. set I-bit
c. vector to
interrupt
routine
Turn on oscillator.
Wait for time delay
to stabilise
Restart processor
clock
Yes
No
CIRQ
interrupt?
Yes
No
Oscillator active
Timer clocks active
Processor clocks
stopped
Fetch
instruction
Fetch
instruction
10-resets
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