參數(shù)資料
型號: MC68HC05P9AP
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 114/158頁
文件大?。?/td> 3885K
代理商: MC68HC05P9AP
Low-Power Modes
Contents
Stop Mode
The STOP instruction puts the MCU in its lowest power-consumption
mode and has the following effects on the MCU:
Stops the internal oscillator, the CPU clock, and the internal clock,
turning off the capture/compare timer, the COP watchdog, the
SIOP, and the ADC
Clears the I bit in the condition code register, enabling external
interrupts
Clears the ICIE, OCIE, and TOIE bits in the timer control register,
disabling further timer interrupts
The STOP instruction does not affect any other registers or any I/O lines.
The following events bring the MCU out of stop mode:
An external interrupt signal on the IRQ pin or a high-to-low
transition on the IRQ pin loads the program counter with the
contents of locations $1FFA and $1FFB. The timer resumes
counting from the last value before the STOP instruction.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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