參數(shù)資料
型號: TMS320DM355_07
廠商: Texas Instruments, Inc.
英文描述: Digital Media System-on-Chip (DMSoC)
中文描述: 數(shù)字媒體系統(tǒng)芯片(DMSoC)
文件頁數(shù): 86/158頁
文件大?。?/td> 1319K
代理商: TMS320DM355_07
www.ti.com
P
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463B–SEPTEMBER 2007–REVISED OCTOBER 2007
performed. Leakage power is due to static current leakage and occurs regardless of the clock rate.
Leakage, or standby power, is unavoidable while power is applied and scales roughly with the operating
junction temperatures. Leakage power can only be avoided by removing power completely from a device
or subsystem. The DM355 includes several power management features which are briefly described in
Table 12-1. Refer to the ARM Subsystem User's Guide for more information on power management.
Table 3-17. Power Management Features
Power Management Features
Description
Clock Management
Module clock disable
Module clock frequency scaling
PLL power-down
Module clocks can be disabled to reduce switching power
Module clock frequency can be scaled to reduce switching power
The PLLs can be powered-down when not in use to reduce
switching power
ARM Sleep Mode
ARM Wait-for-Interrupt sleep mode
Disable ARM clock to reduce active power
System Sleep Modes
Deep Sleep mode
Stop all device clocks and power down internal oscillators to reduce
active power to a minimum. Registers and memory are preserved.
I/O Management
USB Phy power-down
DAC power-down
DDR self-refresh and power down
The USB Phy can be powered-down to reduce USB I/O power
The DAC's can be powered-down to reduce DAC power
The DDR / mDDR device can be put into self-refresh and power
down states
Detailed Device Description
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