參數(shù)資料
型號: MC68HC05RC17DW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 80/128頁
文件大?。?/td> 561K
代理商: MC68HC05RC17DW
MC68HC05RC17 Rev. 2.0
General Release Specification
MOTOROLA
Low-Power Modes
55
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC05RC17
Section 6. Low-Power Modes
6.1 Contents
6.2 Introduction
This section describes the low-power modes.
6.3 Stop Mode
The STOP instruction places the MCU in its lowest power-consumption
mode. In stop mode, the internal oscillator is turned off, halting all
internal processing, including timer operation.
During the stop mode, the CTCSR ($08) bits are altered to remove any
pending timer interrupt request and to disable any further timer
interrupts. The timer prescaler is cleared. The I bit in the CCR is cleared
to enable external interrupts. All other registers and memory remain
unaltered. All input/output lines remain unchanged.
The processor can be brought out of stop mode only by an external
interrupt or RESET. Refer to Figure 6-1.
NOTE:
If an external interrupt is pending when stop mode is entered, then stop
mode will be exited immediately.
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