DS90UB927-Q1 Datasheet, PDF (42/56 Pages) Texas Instruments – 5MHz - 85MHz 24-bit Color FPD-Link III Serializer with Bidirectional Control Channel

DS90UB927-Q1, DS90UB927Q, DS90UB927Q-Q1
SNLS416B – JUNE 2012
ADD
(dec)
28
ADD
(hex)
0x1C
Register Name
GPIO Pin Status 1
29
0x1D GPIO Pin Status 2
30
0x1F Frequency Counter
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Table 5. Serial Control Bus Registers (continued)
Bit(s)
7
6
5
4
3
2
1
0
7:1
0
7:0
Register
Type
R
R
R
R
R
R
R
R
RW
Default
(hex)
0x00
0x00
0x00
Function
Description
GPIO_REG7 Pin GPIO_REG7 Input Pin Status
Status
Status valid only if set to GPI (input) mode
GPIO_REG6 Pin GPIO_REG6 Input Pin Status
Status
Status valid only if set to GPI (input) mode
GPIO_REG5 Pin GPIO_REG5 Input Pin Status
Status
Status valid only if set to GPI (input) mode
Reserved
GPIO3 Pin
Status
GPIO3 Input Pin Status
Status valid only if set to GPI (input) mode
GPIO2 Pin
Status
GPIO2 Input Pin Status
Status valid only if set to GPI (input) mode
GPIO1 Pin
Status
GPIO1 Input Pin Status
Status valid only if set to GPI (input) mode
GPIO0 Pin
Status
GPIO0 Input Pin Status
Status valid only if set to GPI (input) mode
Reserved
GPIO_REG8 Pin GPIO_REG8 Input Pin Status
Status
Status valid only if set to GPI (input) mode
Frequency
Counter
Frequency Counter Control
Write: Measure number of pixel clock periods in written interval (40ns
units)
Read: Return number of pixel clock periods counted
42
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