DS92LX2121SQE National Semiconductor, DS92LX2121SQE Datasheet - Page 21

• 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

(Hex)
Addr
TABLE 2. DS92LX2122 Control Registers
0
1
2
I
2
OSS Select
Auto Clock
C Device ID
Reserved
Name
SSCG
Reset
Bits
7:1
7:3
7:6
3:0
0
2
1
0
5
4
DEVICE ID
DES ID
RESERVED
REM_WAKEUP
DIGITALRESET0
DIGITALRESET1
RESERVED
AUTO_CLOCK
OSS_SEL
SSCG
Field
R/W
RW
RW
RW
RW
RW
RW
RW
21
Default
0x60h
0 self
0 self
clear
clear
0
0
0
0
0
0
7-bit address of Deserializer;
0x60h
(1100_000X) default
0: Device ID is from CAD
1: Register I
Reserved
Remote Wake-up Select
1: Enable. Generate remote wakeup signal automatically
wake-up the Serializer in Standby mode
0: Disable. Puts the Serializer in Standby mode
1: Resets the device to default register values. Does not
affect device I
1: Digital Reset, retained register value
Reserved.
1: Output PCLK or internal 25 MHz Oscillator clock
0: Only PCLK when valid PCLK present
Output Sleep State Select
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%
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%
2
C Device ID overrides CAD
2
C Bus or Device ID
Description
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