參數(shù)資料
型號: MC68HC05C9ECP
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, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 37/106頁
文件大?。?/td> 659K
代理商: MC68HC05C9ECP
Low-Power Modes
MC68HC05C9E Advance Information Data Sheet, Rev. 0.1
36
Freescale Semiconductor
6.3 Wait Mode
The WAIT instruction places the MCU in a low-power consumption mode, but wait mode consumes more
power than stop mode. All central processor unit (CPU) action is suspended, but the timer, serial
communications interface (SCI), serial peripheral interface (SPI), and the oscillator remain active. Any
interrupt or reset will cause the MCU to exit wait mode.
During wait mode, the I bit in the CCR is cleared to enable interrupts. All other registers, memory, and I/O
lines remain in their previous state. The timer, SCI, and SPI may be enabled to allow a periodic exit from
the wait mode.
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