DS92LX2121SQE National Semiconductor, DS92LX2121SQE Datasheet - Page 22

• Manufacturer Part Number: DS92LX2121SQE
• Description: SERDES, 10-50MHZ, 40LLP
• Manufacturer: National Semiconductor

Specifications of DS92LX2121SQE

• Data Rate: 1.05Gbps
• No. Of Inputs: 21
• No. Of Outputs: 1
• Supply Voltage Range: 1.71V To 1.89V
• Driver Case Style: LLP
• No. Of Pins: 40
• Base Number: 2121
• Operating Temperature Range: -40°C To +85°C
• Serdes Function: Serializer
• Ic Input Type: LVCMOS
• Ic Output Type: LVCMOS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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(Hex)
Addr
3
4
5
6
I
2
VDDIO Control
C Pass-Through
Remote NACK
Remote NACK
SCL Prescale
VDDIO Mode
EQ Control
Reserved
Auto ACK
Reserved
Reserved
Reserved
Name
RRFB
Bits
7:6
7:0
7:0
6:4
2:0
5
4
3
2
1
0
7
3
RESERVED
VDDIO
CONTROL
VDDIO MODE
I
THROUGH
AUTO ACK
RESERVED
RRFB
EQ
RESERVED
RESERVED
SCL_PRESCALE
REM_NACK_TIM
ER
REM_NACK_TIM
ER
2
C PASS-
Field
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
22
Default
111'b
11'b
1
0
1
0
0
1
0
0
0
1
Reserved.
Auto voltage control
0: Disable
1: Enable (auto detect mode)
VDDIO voltage set
Only used when VDDIOCONTROL = 0
0: 1.8V
1: 3.3V
I
0: Pass-Through Enabled
1: Pass-Through Disabled
0: Disable
1: Enable
Reserved.
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.
EQ Gain
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 (MODE = 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
2
C Pass-Through Mode
Description