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): 96/158頁
文件大?。?/td> 1319K
代理商: TMS320DM355_07
www.ti.com
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5.2 Recommended Clock and Control Signal Transition Behavior
5.3 Power Supplies
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463B–SEPTEMBER 2007–REVISED OCTOBER 2007
All clocks and control signals should transition between V
IH
and V
IL
(or between V
IL
and V
IH
) in a
monotonic manner.
The power supplies of DM355 are summarized in
Table 5-1
.
Table 5-1. Power Supplies
Customer
Board
Supply
1.3 V
Tolerance
Package
Plane
Chip Plane
Name
Description
Comments
±
5%
1.3 V
CV
DD
V
DDA_PLL1
V
DDA_PLL2
V
DDD13_USB
V
DDA13_USB
V
DD
V
DD
V
DD
V
DD
V
DDA33_DDRDLL
V
DDA33_USB
V
DDA33_USB_PLL
Core V
DD
PLL1 V
DDA
PLL2 V
DDA
USB 1.3 V supply
USB 1.3 V supply
IO V
DD
for LVCMOS
IO V
DD
for MXI/O1
IO V
DD
for MXI/O2
IO V
DD
for ISB DRVVBUS
DDR DLL analog V
DD
Analog 3.3 V power USB PHY
Common mode 3.3 V power for USB
PHY (PLL)
IO V
DD
for peripherals
IO V
DD
for VideoIN I/F
IO V
DD
for VideoOUT I/F
3.3 V
±
5%
3.3 V
V
DDSHV
V
DDSHV
V
DDSHV1
V
DDSHV2
V
DD
V
DD_VIN
V
DD_VOUT
V
DD_DDR
V
DDA18
V
DDA18_DAC
3.3 V
±
5%
3.3 V
1.8 V
1.8 V
1.8 V
±
5%
±
5%
±
5%
1.8 V
1.8 V
1.8 V
Analog 1.8 V power
Place decoupling caps (0.1
μ
F/10
μ
f) close
to chip
Connect to external crystal capacitor
ground
Connect to external crystal capacitor
ground
0 V
n/a
0 V
V
SS_MX1
0 V
n/a
0 V
V
SS_MX2
0 V
n/a
0 V
V
SS
Chip ground
USB ESD ground
ground
ground
PLL1 V
SSA
PLL2 V
SSA
DLL ground
USB ground
V
SS
Keep separate from digital ground V
SS
0 V
0 V
0 V
0 V
0 V
n/a
n/a
n/a
n/a
n/a
0 V
0 V
0 V
0 V
0 V
V
SSA
V
SSA_PLL1
V
SSA_PLL2
V
SSA_DLL
V
SS_USB
V
SSA13_USB
V
SSA13_USB
V
SSA33_USB
V
SSA33_USB_PLL
V
SSREF
Keep separate from digital ground V
SS
V
DDS
divided by 2, through board resistors
Connect to external charge pump
0 V
0 V
n/a
n/a
0 V
0 V
V
SS_USB_REF
V
SSA_DAC
USB PHY reference ground
DAC ground
DRR ref voltage
VBUS
V
DDS
*0.5
5 V
V
DDS
*0.5 V
REFSSTL
5 V
USB_VBUS
DM355 Peripheral Information and Electrical Specifications
96
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