DS90UH948-Q1 Datasheet, PDF (58/91 Pages) Texas Instruments – FPD-Link III to OpenLDI Deserializer

DS90UH948-Q1
SNLS473A – OCTOBER 2014 – REVISED JANUARY 2016
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Register Maps (continued)
ADD
(hex)
0x21
Register
Name
GPIO7_8
Config
Table 11. Serial Control Bus Registers (continued)
Bit(s) Function
Type
7
GPIO8 OUTPUT RW
VALUE
6
GPIO8 REMOTE RW
ENABLE
5
GPIO8 DIR
RW
4
GPIO8 EN
RW
3
GPIO7 OUTPUT RW
VALUE
2
GPIO7 REMOTE RW
ENABLE
1
GPIO7 DIR
RW
0
GPIO7 EN
RW
Default
Description
Value (hex)
0
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
Remote GPIO Control
1: Enable GPIO control from remote Serializer. The GPIO pin
will be an output, and the value is received from the remote
Serializer.
0: Disable GPIO control from remote Serializer.
0
The GPIO DIR and GPIO EN configures the pad in input
0
direction or output direction for functional mode or GPIO mode.
{GPIO DIR, GPIO EN}
00: Functional mode; output
10: Tri-state
01: GPIO mode; output
11: GPIO mode; input
0
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
Remote GPIO Control
1: Enable GPIO control from remote Serializer. The GPIO pin
will be an output, and the value is received from the remote
Serializer.
0: Disable GPIO control from remote Serializer.
0
The GPIO DIR and GPIO EN configures the pad in input
0
direction or output direction for functional mode or GPIO mode.
{GPIO DIR, GPIO EN}
00: Functional mode; output
10: Tri-state
01: GPIO mode; output
11: GPIO mode; input
58
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