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)： 77/158頁
文件大?。?/td> 1319K
代理商： TMS320DM355_07
www.ti.com
P
3.7 Power and Sleep Controller (PSC)
arm_clock
arm_mreset
arm_power
AINTC
ARM
module_power
module_mreset
MODx
module_clock
Always on
domain
Interrupt
PSC
clks
PLLC
Emulation
RESET
V
DD
DMSoC
3.8 System Control Module
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463B–SEPTEMBER 2007–REVISED OCTOBER 2007
In the DM355 system, the Power and Sleep Controller (PSC) is responsible for managing transitions of
system power on/off, clock on/off, and reset. A block diagram of the PSC is shown in
Figure 3-5
. Many of
the operations of the PSC are transparent to software, such as power-on-reset operations. However, the
PSC provides you with an interface to control several important clock and reset operations.
The PSC includes the following features:
Manages chip power-on/off, clock on/off, and resets
Provides a software interface to:
–
Control module clock ON/OFF
–
Control module resets
Supports IcePick emulation features: power, clock, and reset
For more information on the PSC, see the ARM Subsystem User's Guide.
Figure 3-5. DM355 Power and Sleep Controller (PSC)
The DM355’s system control module is a system-level module containing status and top-level control logic
required by the device. The system control module consists of a miscellaneous set of status and control
registers, accessible by the ARM and supporting all of the following system features and operations:
Device identification
Device configuration
–
Pin multiplexing control
–
Device boot configuration status
ARM interrupt and EDMA event multiplexing control
Special peripheral status and control
–
Timer64+
–
USB PHY control
–
VPSS clock and video DAC control and status
–
DDR VTP control
–
Clockout circuitry
–
GIO de-bounce control
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Detailed Device Description
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