DS90UB921-Q1 Datasheet, PDF (34/57 Pages) Texas Instruments – 5 - 96 MHz 24-bit Color FPD-Link III Serializer with Bidirectional Control Channel

DS90UB921-Q1
SNLS488 – MARCH 2016
www.ti.com
ADD
(dec)
15
16
ADD
(hex)
0x0F
0x10
REGISTER NAME
GPO_REG4 and
GPIO3 Configurations
GPO_REG6 and
GPO_REG5
Configurations
Table 7. Serial Control Bus Registers (continued)
BIT(S)
7
TYPE
RW
6:5
4
RW
3
RW
2
RW
1
RW
0
RW
7
RW
6:5
4
RW
3
RW
2:1
0
RW
DEFAULT
(hex)
0x00
0x00
FUNCTION
DESCRIPTION
GPO_REG4
Output Value
GPO_REG4
Enable
GPIO3 Output
Value
GPIO3 Remote
Enable
GPIO3 Direction
GPIO3 Enable
GPO_REG6
Output Value
GPO_REG6
Enable
GPO_REG5
Output Value
GPO_REG5
Enable
Local GPO_REG4 output value
This value is output on the GPO pin when the GPO function is enabled.
(The local GPO direction is Output, and remote GPO control is disabled)
Reserved
GPO_REG4 function enable
1: Enable GPO operation
0: Enable normal operation
Local GPIO output value
This value is output on the GPIO pin when the GPIO function is enabled,
the local GPIO direction is Output, and remote GPIO control is disabled.
Remote GPIO control
1: Enable GPIO control from remote Deserializer. The GPIO pin will be an
output, and the value is received from the remote Deserializer.
0: Disable GPIO control from remote Deserializer.
Local GPIO Direction
1: Input
0: Output
GPIO function enable
1: Enable GPIO operation
0: Enable normal operation
Local GPO_REG6 output value
This value is output on the GPO pin when the GPO function is enabled.
(The local GPO direction is Output, and remote GPO control is disabled)
Reserved
GPO_REG6 function enable
1: Enable GPO operation
0: Enable normal operation
Local GPO_REG5 output value
This value is output on the GPO pin when the GPO function is enabled, the
local GPO direction is Output, and remote GPO control is disabled.
Reserved
GPO_REG5 function enable
1: Enable GPO operation
0: Enable normal operation
34
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