參數(shù)資料
型號: MC68HC705C8ACP
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, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 61/108頁
文件大?。?/td> 718K
代理商: MC68HC705C8ACP
Timing
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
61
Figure 6-2. STOP/HALT/WAIT Flowchart
STOP
SWAIT
BIT SET
CLEAR I BIT IN CCR.
SET IRQE BIT IN ISCR.
CLEAR TOF RTIF TOIE, AND RTIE BITS IN TSCR.
TURN OFF INTERNAL OSCILLATOR.
EXTERNAL
RESET
EXTERNAL
INTERRUPT
NO
NO
NO
TURN ON INTERNAL OSCILLATOR.
RESET STABILIZATION TIMER.
YES
YES
HALT
YES
END OF
STABILIZATION
DELAY
YES
NO
YES
NO
NO
NO
COP
RESET
TIMER
INTERRUPT
EXTERNAL
INTERRUPT
EXTERNAL
RESET
CLEAR I BIT IN CCR.
SET IRQE BIT IN ISCR.
TURN OFF CPU CLOCK.
TIMER CLOCK ACTIVE.
YES
YES
YES
YES
NO
NO
NO
CLEAR I BIT IN CCR.
SET IRQE BIT IN ISCR.
TURN OFF CPU CLOCK.
TIMER CLOCK ACTIVE.
YES
YES
YES
NO
NO
TURN ON CPU CLOCK.
1. LOAD PC WITH RESET VECTOR
OR
2. SERVICE INTERRUPT
a. SAVE CPU REGISTERS ON STACK.
b. SET I BIT IN CCR.
c. LOAD PC WITH INTERRUPT VECTOR.
EXTERNAL
RESET
WAIT
EXTERNAL
INTERRUPT
TIMER
INTERRUPT
COP
RESET
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