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參數資料
| 型號： | TMDS351PAGR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | 3-CHANNEL, AUDIO/VIDEO SWITCH, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數： | 13/24頁 |
| 文件大小： | 549K |
| 代理商： | TMDS351PAGR |
Case 3 – External Logic Control for HPD (See Figure 19, Port 3)
SINK
HDMIRX
DDC_SDA
DDC_SCL
5 V
47kW
3.3 V
4.7kW
CEC
4.02 k W 10%
E-EDID
mController
HPD1
SDA1
SCL1
HPD2
SDA2
SCL2
HPD3
SDA3
SCL3
EQ
S1
S2
HPD_SINK
SDA_SINK
SCL_SINK
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
VSADJ
GND
SDA SCL
CEC
LOGIC
CEC
PHY
1 kW
1 k W
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
SOURCE1
With ACCoupled
HDMIOutput
SOURCE2
WithDCCoupled
HDMIOutput
SOURCE3
inGeneral
HDMIOutput
A11/B11
A12/B12
A13/B13
A14/B14
A21/B21
A22/B22
A23/B23
A24/B24
A31/B31
A32/B32
A33/B33
A34/B34
VDD
(5V)
VCC
(3.3V)
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
SLLS840A – MAY 2007 – REVISED AUGUST 2007 .......................................................................................................................................................... www.ti.com
When the HDMI transmitter does not have the capability of detecting the receiver termination, using the HPD
signal as a reference for sensing port selections is the only possible method. External control logic for switching
the connections of the HPD signals between the HPD pins of the TMDS351 and the 5-V signal from the source
provides a good solution.
E-EDID Reading Configurations in Standby Mode
When the TMDS351 is in standby mode operation, S1 = H and S2 = L, all sources can read their E-EDID
memories simultaneously with all HPD pins following HPD_SINK in logic-high. HPD_SINK input low will prevent
E-EDID reading in standby mode operation.
Figure 19. Three-Port HDMI Enabled DTV with TMDS351 – CEC Commands Active
20
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TMDS351
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TMDS351PAGRG4 | 功能描述:視頻開關 IC 3-to-1 HDMI Switch RoHS:否 制造商:Texas Instruments 開關數量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| TMDS361 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1080p - Deep Color 3-to-1 HDMI/DVI Switch with Adaptive Equalization |
| TMDS361APAGR | 制造商:Texas Instruments 功能描述: |
| TMDS361BPAG | 功能描述:視頻開關 IC 3 to 1 HDMI switch RoHS:否 制造商:Texas Instruments 開關數量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| TMDS361BPAGR | 功能描述:視頻開關 IC 3 to 1 HDMI switch RoHS:否 制造商:Texas Instruments 開關數量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
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