參數(shù)資料
型號(hào): SAB-XC164SM-8F40F
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封裝: PLASTIC, TQFP-64
文件頁(yè)數(shù): 38/66頁(yè)
文件大小: 613K
代理商: SAB-XC164SM-8F40F
XC164SM
Derivatives
Functional Description
Data Sheet
41
V1.0, 2005-11
3.15
Power Management
The XC164SM provides several means to control the power it consumes either at a
given time or averaged over a certain timespan. Three mechanisms can be used (partly
in parallel):
Power Saving Modes switch the XC164SM into a special operating mode (control
via instructions).
Idle Mode stops the CPU while the peripherals can continue to operate.
Sleep Mode and Power Down Mode stop all clock signals and all operation (RTC may
optionally continue running). Sleep Mode can be terminated by external interrupt
signals.
Clock Generation Management controls the distribution and the frequency of
internal and external clock signals. While the clock signals for currently inactive parts
of logic are disabled automatically, the user can reduce the XC164SM’s CPU clock
frequency which drastically reduces the consumed power.
External circuitry can be controlled via the programmable frequency output FOUT.
Peripheral Management permits temporary disabling of peripheral modules (control
via register SYSCON3). Each peripheral can separately be disabled/enabled.
The on-chip RTC supports intermittent operation of the XC164SM by generating cyclic
wake-up signals. This offers full performance to quickly react on action requests while
the intermittent sleep phases greatly reduce the average power consumption of the
system.
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