Datasheet

DS90UH926Q
www.ti.com SNLS337J –OCTOBER 2010–REVISED APRIL 2013
Table 9. Serial Control Bus Registers (continued)
ADD ADD Register Bit(s) Register Default Function Descriptions
(dec) (hex) Name Type (hex)
31 0x1F GPO_REG4 7 RW 0x00 GPO_REG4 Local GPO_REG4 Output Value
and GPO3 Output This value is output on the GPO when the GPO function is
Config Value enabled, the local GPO direction is Output, and remote
GPO control is disabled.
6:5 Reserved
4 RW GPO_REG4 GPO_REG4 Function Enable
Enable 1: Enable GPO operation
0: Enable normal operation
3 RW GPIO3 Local GPIO Output Value This value is output on the GPIO
Output when the GPIO function is enabled, the local GPIO
Value direction is Output, and remote GPIO control is disabled.
2 RW GPIO3 Remote GPIO3 Control
Remote 1: Enable GPIO control from remote Serializer. The GPIO
Enable pin will be an output, and the value is received from the
remote Deserializer.
0: Disable GPIO control from remote Serializer.
1 RW GPIO3 Local GPIO Direction
Direction 1: Input
0: Output
0 RW GPIO3 GPIO Function Enable
Enable 1: Enable GPIO operation
0: Enable normal operation
32 0x20 GPO_REG6 7 RW 0x00 GPO_REG6 Local GPO_REG6 Output Value
and Output This value is output on the GPO when the GPO function is
GPO_REG5 Value enabled, the local GPO direction is Output, and remote
Config GPO control is disabled.
6:5 Reserved
4 RW GPO_REG6 GPO_REG6 Function Enable
Enable 1: Enable GPO operation
0: Enable normal operation
3 RW GPO_REG5 Local GPO_REG5 Output Value
Output This value is output on the GPO when the GPO function is
Value enabled, the local GPO direction is Output, and remote
GPO control is disabled.
2:1 Reserved
0 RW GPO_REG5 GPO_REG5 Function Enable
Enable 1: Enable GPO operation
0: Enable normal operation
33 0x21 GPO8 and 7 RW 0x00 GPO_REG8 Local GPO_REG8 Output Value
GPO7 Config Output This value is output on the GPO when the GPO function is
Value enabled, the local GPO direction is Output, and remote
GPO control is disabled.
6:5 Reserved
4 RW GPO_REG8 GPO_REG8 Function Enable
Enable 1: Enable GPO operation
0: Enable normal operation
3 RW GPO_REG7 Local GPO_REG7 Output Value
Output This value is output on the GPO when the GPO function is
Value enabled, the local GPO direction is Output, and remote
GPO control is disabled.
2:1 Reserved
0 RW GPO_REG7 GPO_REG7 Function Enable
Enable 1: Enable GPO operation
0: Enable normal operation
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