DS90UH927Q Datasheet, PDF (38/59 Pages) Texas Instruments – 5MHz - 85MHz 24-bit Color FPD-Link III Serializer with HDCP

DS90UH927Q
ADD
(dec)
19
ADD
(hex)
0x13
Register
Name
General
Purpose
Control
20 0x14 BIST Control
22 0x16 BCC
Watchdog
Control
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
MAPSEL
Mode
MAPSEL
Override
MAPSEL
Value
LFMODE
Status
REPEAT
Status
BKWD
Status
I2S_DB
Status
OSC
Clock
Source
BIST
Enable
Timer
Value
Timer
Control
Description
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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