DS90UB927-Q1 Datasheet, PDF (39/56 Pages) Texas Instruments – 5MHz - 85MHz 24-bit Color FPD-Link III Serializer with Bidirectional Control Channel

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ADD
(dec)
17
ADD
(hex)
0x11
Register Name
GPIO_REG7 and
GPIO_REG8
Configuration
18
0x12 Data Path Control
Copyright © 2012, Texas Instruments Incorporated
DS90UB927-Q1, DS90UB927Q, DS90UB927Q-Q1
SNLS416B – JUNE 2012
Table 5. Serial Control Bus Registers (continued)
Bit(s)
7
6
5
4
3
2
1
0
7:6
5
4
3
2
1
0
Register
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Default
(hex)
0x00
0x00
Function
Description
GPIO_REG8
Output Value
GPIO_REG8
Direction
GPIO_REG8
Enable
GPIO_REG7
Output Value
GPIO_REG7
Direction
GPO_REG7
Enable
DE Polarity
I2S Repeater
Regen
I2S Channel B
Enable Override
18-bit Video
Select
I2S Transport
Select
I2S Channel B
Enable
Local GPIO Output Value This value is output on the GPIO pin when
the GPIO function is enabled, and the local GPIO direction is Output.
0: Output LOW (default)
1: Output HIGH
Reserved
Local GPIO Direction
0: Output (default)
1: Input
GPIO Function Enable
0: Enable normal operation (default)
1: Enable GPIO operation
Local GPIO Output Value This value is output on the GPIO pin when
the GPIO function is enabled, and the local GPIO direction is Output.
0: Output LOW (default)
1: Output HIGH
Reserved
Local GPIO Direction
0: Output (default)
1: Input
GPIO Function Enable
0: Enable normal operation (default)
1: Enable GPIO operation
Reserved
This bit indicates the polarity of the DE (Data Enable) signal.
0: DE is positive (active high, idle low) (default)
1: DE is inverted (active low, idle high)
Regenerate I2S Data From Repeater I2S Pins
0: Repeater pass through I2S from video pins (default)
1: Repeater regenerate I2S from I2S pins
I2S Channel B Override
0: Set I2S Channel B Disabled (default)
1: Set I2S Channel B Enable from reg_12[0]
Video Color Depth Mode
0: Select 24-bit video mode (default)
1: Select 18-bit video mode
Select I2S Transport Mode
0: Enable I2S Data Island Transport (default)
1: Enable I2S Data Forward Channel Frame Transport
I2S Channel B Enable
0: I2S Channel B disabled (default)
1: Enable I2S Channel B
Product Folder Links: DS90UB927-Q1 DS90UB927Q DS90UB927Q-Q1
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