DS90UB929-Q1 Datasheet, PDF (28/71 Pages) Texas Instruments – 720p HDMI to FPD-Link III Bridge Serializer

DS90UB929-Q1
SNLS457 – NOVEMBER 2014
Device Functional Modes (continued)
Mode
COAX: Cable Type
REM_EDID_LOAD: Remote
EDID Load
Table 4. MODE_SEL[1:0] Settings (continued)
Setting
0
1
0
1
Function
Enable FPD-Link III for twisted pair cabling.
Enable FPD-Link III for coaxial cabling.
Use internal SRAM EDID.
If available, remote EDID is copied into internal SRAM EDID.
1.8V
R₃
VR4
1.8V
R₄
R5
VR6
R₆
MODE_SEL0
MODE_SEL1
Serializer
Figure 16. MODE_SEL[1:0] Connection Diagram
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#
Ratio
V_R4/V_DD18
1
0
2
0.208
3
0.323
4
0.440
5
0.553
6
0.668
7
0.789
8
1
Target V_R4
(V)
0
0.374
0.582
0.792
0.995
1.202
1.420
1.8
Table 5. Configuration Select (MODE_SEL0)
Suggested
Resistor Pull-Up
R3 kΩ (1% tol)
Suggested
Resistor Pull-
Down R4 kΩ (1%
tol)
OPEN
40.2
118
30.9
107
51.1
113
88.7
82.5
102
68.1
137
56.2
210
13.3
OPEN
EDID_SEL
0
0
0
0
1
1
1
1
AUTO_SS
0
0
1
1
0
0
1
1
AUX_I2S
0
1
0
1
0
1
0
1
#
Ratio
V_R6/V_DD18
1
0
2
0.208
3
0.323
4
0.440
5
0.553
6
0.668
7
0.789
8
1
Target V_R6
(V)
0
0.374
0.582
0.792
0.995
1.202
1.420
1.8
Table 6. Configuration Select (MODE_SEL1)
Suggested
Resistor Pull-Up
R5 kΩ (1% tol)
Suggested
Resistor Pull-
Down R6 kΩ (1%
tol)
OPEN
40.2
118
30.9
107
51.1
113
88.7
82.5
102
68.1
137
56.2
210
13.3
OPEN
EXT_CTL
0
0
0
0
1
1
1
1
COAX
0
0
1
1
0
0
1
1
REM_EDID_LOA
D
0
1
0
1
0
1
0
1
The strapped values can be viewed and/or modified in the following locations:
• EDID_SEL : Latched into BRIDGE_CTL[0], EDID_DISABLE (0x4F[0]).
• AUTO_SS : Latched into SOFT_SLEEP (0x01[7]).
• AUX_I2S : Latched into BRIDGE_CFG[1], AUDIO_MODE[1] (0x54[1]).
• EXT_CTL: Latched into BRIDGE_CFG[7], EXT_CONTROL (0x54[7]).
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