DS90UB928Q-Q1 Datasheet, PDF (46/69 Pages) Texas Instruments – 5 MHz to 85 MHz 24-bit Color FPD-Link III to FPD-Link Deserializer With Bidirectional Control Channel

DS90UB928Q-Q1
SNLS417C – MARCH 2013 – REVISED JULY 2016
www.ti.com
Register Maps (continued)
Table 8. Serial Control Bus Registers^{(1) (2)} (continued)
ADD
(dec)
ADD
(hex)
Register Name
Bit
Register
Type
Default
(hex)
Function
Description
30
0x1E GPIO1 and
7
RW
0x00 GPIO2
Local GPIO Output Value This value is output on the
GPIO2
Output
GPIO pin when the GPIO function is enabled, the
Configuration
Value
local GPIO direction is Output, and remote GPIO
control is disabled.
0: Output LOW (default)
1: Output HIGH
6
RW
GPIO2
Remote
Enable
Remote GPIO Control
0: Disable GPIO control from remote device (default)
1: Enable GPIO control from remote device. The
GPIO pin will be an output, and the value is received
from the remote device.
5
RW
GPIO2
Direction
Local GPIO Direction
0: Output (default)
1: Input
4
RW
GPIO2
Enable
GPIO Function Enable
0: Enable normal operation (default)
1: Enable GPIO operation
3
RW
GPIO1
Output
Value
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.
0: Output LOW (default)
1: Output HIGH
2
RW
GPIO1
Remote
Enable
Remote GPIO Control
0: Disable GPIO control from remote device (default)
1: Enable GPIO control from remote device. The
GPIO pin will be an output, and the value is received
from the remote device.
1
RW
GPIO1
Direction
Local GPIO Direction
1: Input
0: Output
0
RW
GPIO1
Enable
GPIO function enable
1: Enable GPIO operation
0: Enable normal operation
31
0x1F GPIO3
7:4
Configuration
3
RW
0x00
GPIO3
Output
Value
Reserved
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.
0: Output LOW (default)
1: Output HIGH
2
RW
GPIO3
Remote
Enable
Remote GPIO Control
0: Disable GPIO control from remote device (default)
1: Enable GPIO control from remote device. The
GPIO pin will be an output, and the value is received
from the remote device.
1
RW
GPIO3
Direction
Local GPIO Direction
0: Output (default)
1: Input
0
RW
GPIO3
Enable
GPIO Function Enable
0: Enable normal operation (default)
1: Enable GPIO operation
46
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