參數(shù)資料
型號: XC888CM
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 74/119頁
文件大小: 895K
代理商: XC888CM
XC886/888CLM
Functional Description
Data Sheet
Prelimary
70
V0.1, 2006-02
3.9
Power Saving Modes
The power saving modes of the XC886/888 provide flexible power consumption through
a combination of techniques, including:
Stopping the CPU clock
Stopping the clocks of individual system components
Reducing clock speed of some peripheral components
Power-down of the entire system with fast restart capability
After a reset, the active mode (normal operating mode) is selected by default (see
Figure 28
) and the system runs in the main system clock frequency. From active mode,
different power saving modes can be selected by software. They are:
Idle mode
Slow-down mode
Power-down mode
Figure 28
Transition between Power Saving Modes
POWER-DOWN
IDLE
ACTIVE
SLOW-DOWN
set PD
bit
set PD
bit
set IDLE
bit
set IDLE
bit
set SD
bit
clear SD
bit
any interrupt
& SD=0
EXINT0/RXD pin
& SD=0
EXINT0/RXD pin
& SD=1
any interrupt
& SD=1
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