DS90UH926QSQE Datasheet, PDF (22/56 Pages) Texas Instruments – DS90UH926Q 720p 24-bit Color FPD-Link III Deserializer with HDCP

DS90UH926Q
SNLS337J – OCTOBER 2010 – REVISED APRIL 2013
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GPO_REG[8:4] Enable Sequence
GPO_REG[8:4] are the outputs only pins. They must be programmed through the local register bits. See Table 7
for the GPO_REG enable sequencing.
Step 1: Enable the 18-bit mode either through the configuration register bit Table 9 on DS90UH925Q only.
DS90UH926Q is automatically configured as in the 18-bit mode.
Step 2: To enable GPO_REG8 outputs an “1” , write 0x90 to address 0x21 on DS90UH926Q..
Table 7. GPO_REG Enable Sequencing Table
#
Description
1
Enable 18-bit mode
2
GPO_REG8
3
GPO_REG7
4
GPO_REG6
5
GPO_REG5
6
GPO_REG4
Device
DS90UH926Q
DS90UH926Q
DS90UH926Q
DS90UH926Q
DS90UH926Q
DS90UH926Q
Local Access
0x12 = 0x04
(on DS90UH925Q)
0x21 = 0x90
0x21 = 0x10
0x21 = 0x09
0x21 = 0x01
0x20 = 0x90
0x20 = 0x10
0x20 = 0x09
0x20 = 0x01
0x1F = 0x90
0x1F = 0x10
Local Output Value
“1”
“0”
“1”
“0”
“1”
“0”
“1”
“0”
“1”
“0”
22
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