參數(shù)資料
型號: MC68HC05P9AVP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 31/90頁
文件大?。?/td> 285K
代理商: MC68HC05P9AVP
GENERAL RELEASE SPECIFICATION
MC68HC05P9A
LOW POWER MODES
MOTOROLA
Rev. 2.0
6-3
Figure 6-1. STOP/WAIT Flowcharts
1.
FETCH RESET VECTOR
OR
2.
SERVICE INTERRUPT
a.
STACK
b.
SET I BIT
c.
VECTOR TO INTERRUPT ROUTINE
WAIT
STOP
TO HALT
MASK
Y
N
EXTERNAL
RESET?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
STOP EXTERNAL OSCILLATOR,
STOP INTERNAL TIMER CLOCK,
RESET STARTUP DELAY
RESTART EXTERNAL OSCILLATOR,
RESTART STABILIZATION DELAY
STOP INTERNAL PROCESSOR
CLOCK,
CLEAR I-BIT IN CCR
END OF
STABILIZATION
DELAY?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
EXTERNAL OSCILLATOR
ACTIVE AND
INTERNAL TIMER
CLOCK ACTIVE
RESTART INTERNAL
PROCESSOR CLOCK
STOP INTERNAL
PROCESSOR CLOCK,
CLEAR I-BIT IN CCR
TIMER
INTERNAL
INTERRUPT?
Y
N
EXTERNAL
RESET?
Y
N
STOP
HALT
EXTERNAL
RESET?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
STOP INTERNAL PROCESSOR
CLOCK,
CLEAR I-BIT IN CCR
EXTERNAL OSCILLATOR ACTIVE
AND
INTERNAL TIMER CLOCK ACTIVE
TIMER
INTERNAL
INTERRUPT?
Y
N
COP
INTERNAL
RESET?
Y
N
COP
INTERNAL
RESET?
Y
N
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