参数资料
型号: MC68HC05P9AMDW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 120/158页
文件大小: 3885K
代理商: MC68HC05P9AMDW
Low-Power Modes
64
Low-Power Modes
Figure 26. WAIT Instruction Flowchart
Figure 27. STOP/WAIT Clock Logic
WAIT
EXTERNAL
INTERRUPT?
CLEAR I BIT IN CCR
STOP CPU CLOCK
RESET?
NO
YES
TIMER
INTERRUPT?
YES
RESTART CPU CLOCK
NO
OTHER ON-CHIP
INTERRUPT
SOURCES?
NO
(1) FETCH RESET VECTOR
OR
(2) SERVICE INTERRUPT
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. VECTOR TO INTERRUPT SERVICE ROUTINE
CPU CLOCK
INTERNAL CLOCK
÷ 2
TIMER CLOCK
ADC CLOCK
INTERNAL
OSCILLATOR
OSC1
OSC2
WAIT
STOP
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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