DS90UB927-Q1 Datasheet, PDF (40/56 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)
19
ADD
(hex)
0x13
Register Name
General Purpose
Control
20
0x14 BIST Control
22
0x16 BCC Watchdog
Control
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Table 5. Serial Control Bus Registers (continued)
Bit(s)
7
6
5
4
3
2
1
0
7:3
2:1
0
7:1
0
Register
Type
R
RW
RW
R
R
R
R
RW
R
RW
RW
Default
(hex)
0x10
0x00
0xFE
Function
Description
MAPSEL Mode
MAPSEL
Override
MAPSEL Value
LFMODE Status
REPEAT Status
BKWD Status
I2S_DB Status
OSC Clock
Source
BIST Enable
Timer Value
Timer Control
Returns Map Select Mode (MAPSEL) pin status
FPD-Link Map Select (MAPSEL) set by input pin or register
0: Map Select is set by input pin (default)
1: Map Select is set by register bit 0x13[5]
FPD-Link Map Select (MAPSEL) value when 0x13[6] is set
0: LSBs on RxIN3± (default)
1: MSBs on RxIN3±
Reserved
Low Frequency Mode (LFMODE) pin status
0: 15 ≤ RxCLKIN ≤ 85MHz (default)
1: 5 ≤ RxCLKIN < 15MHz
Repeater Mode (REPEAT) pin Status
0: Non-repeater (default)
1: Repeater
Backward Compatible Mode (BKWD) Status
0: Compatible to DS90UB926/8Q (default)
1: Backward compatible to DS90UR906/8Q
I2S Channel B Mode (I2S_DB) Status
0: I2S_DB inactive (default)
1: I2S_DB active
Reserved
Internal OSC clock select for Functional Mode or BIST. Functional
Mode when PCLK is not present and 0x03[1]=1.
00: 33 MHz Oscillator (default)
01: 33 MHz Oscillator
Clock Source in BIST mode
00: External Pixel Clock (default)
01: 33 MHz Oscillator
Note: In LFMODE=1, the internal oscillator is 12.5MHz
BIST Control
0: Disabled (default)
1: Enabled
The watchdog timer allows termination of a control channel
transaction if it fails to complete within a programmed amount of time.
This field sets the Bidirectional Control Channel Watchdog Timeout
value in units of 2 milliseconds. This field should not be set to 0.
Disable BCC Watchdog Timer
0: Enable BCC Watchdog Timer operation (default)
1: Disable BCC Watchdog Timer operation
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