DS92LX1621_16 Datasheet, PDF (21/49 Pages) Texas Instruments – 10 - 50 MHz DC-Balanced Channel Link III Serializer and Deserializer with Bi-Directional Control Channel

DS92LX1621, DS92LX1622
www.ti.com
SNLS327I – MAY 2010 – REVISED JANUARY 2014
Table 2. DS92LX1622 Control Registers (continued)
Addr
(Hex)
Name
Bits
Field
R/W
CRC Fault
7
Tx CRC CHECK
ENABLE
RW
Tolerant
Transmission
6
Rx CRC GEN
ENABLE
RW
VDDIO Control
5 VDDIO CONTROL RW
3
VDDIO Mode
4 VDDIO MODE
RW
I²C Pass-Through
3
I²C PASS-
THROUGH
RW
Auto ACK
2 AUTO ACK
RW
CRC Reset
1 CRC RESET
RW
RRFB
0 RRFB
RW
4
EQ Feature
Control1
7:0 EQ
RW
5
Reserved
7:0 RESERVED
Reserved
7 RESERVED
SCL Prescale 6:4 SCL_PRESCALE
6
Remote NACK
3
REM_NACK_TIME
R
RW
Remote NACK 2:0 NACK_TIMEOUT
RW
Default
Description
1
1
1
0
1
0
0
1
0
0
0
0
1
111'b
Back Channel CRC Enable
0: Disable
1: Enable
For proper CRC operation, on Serailizer 0x03h b[6]
control register must be Enabled.
Foward Channel CRC Enable
0: Disable
1: Enable For proper CRC operation, on Serailizer 0x03h
b[7] control register must be Enabled.
Auto voltage control
0: Disable
1: Enable (auto detect mode)
VDDIO voltage set
Only used when VDDIOCONTROL = 0
0: 1.8V
1: 3.3V
I²C Pass-Through Mode
0: Disabled
1: Enabled
0: Disable
1: Enable
1: CRC reset
Pixel Clock Edge Select
0: Parallel Interface Data is strobed on the Falling Clock
Edge
1: Parallel Interface Data is strobed on the Rising Clock
Edge.
00'h: ~0.0 dB
01'h: ~4.5 dB
03'h: ~6.5 dB
07'h: ~7.5 dB
0F'h: ~8.0 dB
1F'h: ~11.0 dB
3F'h: ~12.5 dB
FF'h: ~14.0 dB
Reserved
Reserved
Prescales the SCL clock line when reading data byte
from a slave device (M/S = 0)
000 : ~100 kHz SCL (default)
001 : ~125 kHz SCL
101 : ~11 kHz SCL
110 : ~33 kHz SCL
111 : ~50 kHz SCL
Other values are NOT supported.
Remote NACK Timer Enable In slave mode (MODE = 1)
if bit is set the I2C core will automatically timeout when
no acknowledge condition was detected.
1: Enable
0: Disable
Remote NACK Timeout.
000: 2.0 ms
001: 5.2 ms
010: 8.6 ms
011: 11.8 ms
100: 14.4 ms
101: 18.4 ms
110: 21.6 ms
111: 25.0 ms
Copyright © 2010–2014, Texas Instruments Incorporated
Submit Documentation Feedback
21
Product Folder Links: DS92LX1621 DS92LX1622