DS92LX2121 Datasheet, PDF (19/42 Pages) National Semiconductor (TI) – 10 - 50 MHz Channel Link III Serializer and Deserializer with Embedded Bi-Directional Control Channel

DS92LX2121, DS92LX2122
www.ti.com
SNLS330I – MAY 2010 – REVISED APRIL 2013
Table 2. DS92LX2122 Control Registers (continued)
Addr
(Hex)
Name
Bits
Field
R/W
Reserved
7:6 RESERVED
Auto Clock
5 AUTO_CLOCK
RW
OSS Select
4 OSS_SEL
RW
2
SSCG
3:0 SSCG
Reserved
7:6 RESERVED
VDDIO Control
5 VDDIO CONTROL RW
VDDIO Mode
4 VDDIO MODE
RW
3
I²C Pass-Through
3
I²C PASS-
THROUGH
RW
Auto ACK
2 AUTO ACK
RW
Reserved
1 RESERVED
RRFB
0 RRFB
RW
4
EQ Control
7:0 EQ
RW
5
Reserved
7:0 RESERVED
Default
Description
0
Reserved.
0
1: Output PCLK or internal 25 MHz Oscillator clock
0: Only PCLK when valid PCLK present
Output Sleep State Select
0
0: Outputs = LOW , when LOCK = L
1: Outputs = TRI-STATE, when LOCK = L
SSCG Select
0000: Normal Operation, SSCG OFF
0001: fmod (KHz) PCLK/2168, fdev ±0.50%
0010: fmod (KHz) PCLK/2168, fdev ±1.00%
0011: fmod (KHz) PCLK/2168, fdev ±1.50%
0100: fmod (KHz) PCLK/2168, fdev ±2.00%
0101: fmod (KHz) PCLK/1300, fdev ±0.50%
0110: fmod (KHz) PCLK/1300, fdev ±1.00%
0
0111: fmod (KHz) PCLK/1300, fdev ±1.50%
1000: fmod (KHz) PCLK/1300, fdev ±2.00%
1001: fmod (KHz) PCLK/868, fdev ±0.50%
1010: fmod (KHz) PCLK/868, fdev ±1.00%
1011: fmod (KHz) PCLK/868, fdev ±1.50%
1100: fmod (KHz) PCLK/868, fdev ±2.00%
1101: fmod (KHz) PCLK/650, fdev ±0.50%
1110: fmod (KHz) PCLK/650, fdev ±1.00%
1111: fmod (KHz) PCLK/650, fdev +/-1.50%
11'b Reserved.
Auto voltage control
1
0: Disable
1: Enable (auto detect mode)
VDDIO voltage set
0
Only used when VDDIOCONTROL = 0
0: 1.8V
1: 3.3V
I²C Pass-Through Mode
1
0: Pass-Through Enabled
1: Pass-Through Disabled
0
0: Disable
1: Enable
0
Reserved.
Pixel Clock Edge Select
0: Parallel Interface Data is strobed on the Falling Clock
1
Edge
1: Parallel Interface Data is strobed on the Rising Clock
Edge.
EQ Gain
00'h = ~0.0 dB
01'h = ~4.5 dB
03'h = ~6.5 dB
0
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
0
Reserved.
Copyright © 2010–2013, Texas Instruments Incorporated
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