Datasheet
DS90UB913Q, DS90UB914Q
www.ti.com
SNLS420B –JULY 2012–REVISED APRIL 2013
Table 2. DS90UB914Q Control Registers (continued)
Addr
Name Bits Field R/W Default Description
(Hex)
Revision ID
7:4 Rev-ID R 0
0x0000: Production
3 RSVD Reserved
Parity Error detected
2 Parity Error R 0 1: Parity Errors detected
0: No Parity Errors
0x1C General Status
0 1: Serial input detected
1 Signal Detect R
0: Serial input not detected
De-Serializer CDR, PLL's clock to recovered
clock frequency
0 Lock R 0
1: De-Serializer locked to recovered clock
0: De-Serializer not locked
RW 0 Local GPIO Output Value This value is the
GPIO1 Output
7 output on the GPIO pin when the GPIO function
Vaue
is enabled, the local GPIO direction is Output.
6 RSVD Reserved
GPIO1 Direction RW 1 Local GPIO Direction
5 1: Input
0: Output
GPIO Function Enable
4 GPIO1 Enable RW 1 1: Enable GPIO operation
0: Enable normal operation
GPIO[1] and
0x1D
GPIO[0] Config
Local GPIO Output Value This value is output
GPIO0 Output
3 RW 0 on the GPIO pin when the GPIO function is
Value
enabled, the local GPIO direction is Output.
2 RSVD Reserved
Local GPIO Direction
1 GPIO0 Direction RW 1 1: Input
0: Output
GPIO Function Enable
0 GPIO0 Enable RW 1 1: Enable GPIO operation
0: Enable normal operation
Local GPIO Output Value This value is the
GPIO3 Output
7 RW 0 output on the GPIO pin when the GPIO function
Vaue
is enabled, the local GPIO direction is Output.
6 RSVD Reserved
Local GPIO Direction
5 GPIO3 Direction RW 1 1: Input
0: Output
GPIO Function Enable
4 GPIO3 Enable RW 1 1: Enable GPIO operation
0: Enable normal operation
GPIO[3] and
0x1E
GPIO[2] Config
Local GPIO Output Value This value is output
GPIO2 Output
3 RW 0 on the GPIO pin when the GPIO function is
Value
enabled, the local GPIO direction is Output.
2 RSVD Reserved
Local GPIO Direction
1 GPIO2 Direction RW 1 1: Input
0: Output
GPIO Function Enable
0 GPIO2 Enable RW 1 1: Enable GPIO operation
0: Enable normal operation
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