參數(shù)資料
型號: MC68HC05K0P
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 MHz, MICROCONTROLLER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 115/154頁
文件大?。?/td> 1585K
代理商: MC68HC05K0P
Low-Power Modes
Data-Retention Mode
MC68HC05K0 MC68HC05K1 — Rev. 2.0
Technical Data
Low-Power Modes
Figure 6-1. Stop/Wait/Halt Flowchart
STOP
DISABLED?
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
TURN ON INTERNAL OSCILLATOR
START STABILIZATION DELAY
YES
HALT
YES
END OF
STABILIZATION
DELAY?
YES
NO
YES
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
WAIT
YES
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
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
LVR
ENABLED?
LVR?
YES
NO
YES
NO
LVR
ENABLED?
LVR
ENABLED?
LVR?
YES
NO
YES
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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