參數(shù)資料
型號(hào): SAK-TC1765T-L40EB
廠(chǎng)商: INFINEON TECHNOLOGIES AG
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, MROM, 40 MHz, MICROCONTROLLER, PBGA260
封裝: PLASTIC, LBGA-260
文件頁(yè)數(shù): 48/88頁(yè)
文件大?。?/td> 1274K
代理商: SAK-TC1765T-L40EB
TC1765
Data Sheet
48
V1.2, 2002-12
Preliminary
Power Management System
The TC1765 power management system allows software to configure the various
processing units so that they automatically adjust to draw the minimum necessary power
for the application.
There are four power management modes:
Run Mode
Idle Mode
Sleep Mode
Deep Sleep Mode
Table 5 describes the features of the power management modes.
Table 5
Power Management Mode Summary
Mode
Description
Run
The system is fully operational. All clocks and peripherals are enabled,
as determined by software.
Idle
The CPU clock is disabled, waiting for a condition to return it to Run
Mode. Idle Mode can be entered by software when the processor has no
active tasks to perform. All peripherals remain powered and clocked.
Processor memory is accessible to peripherals. A reset, Watchdog Timer
event, a falling edge on the NMI pin, or any enabled interrupt event will
return the system to Run Mode.
Sleep
The system clock continues to be distributed only to those peripherals
programmed to operate in Sleep Mode. Interrupts from operating
peripherals, the Watchdog Timer, a falling edge on the NMI pin, or a reset
event will return the system to Run Mode. Entering this state requires an
orderly shut-down controlled by the Power Management State Machine.
Deep Sleep
The system clock is shut off; only an external signal will restart the
system. Entering this state requires an orderly shut-down controlled by
the Power Management State Machine (PMSM).
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