SERDESUR-43USB/NOPB National Semiconductor, SERDESUR-43USB/NOPB Datasheet - Page 14

• Manufacturer Part Number: SERDESUR-43USB/NOPB
• Description: BOARD EVAL DS90UR124,DS90UR241
• Manufacturer: National Semiconductor

Specifications of SERDESUR-43USB/NOPB

• Main Purpose: Interface, Serializer, Deserializer (SERDES)
• Utilized Ic / Part: DS90UR241, DS90UR124
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Other names: SERDESUR-43USB

Configuration Settings for the De-serializer Board
Reference
RPWDNB
PTOSEL
RESRVD
Reference
RRFB
REN
BISTEN
BISTM
RAOFF
SLEW
S1, S2: De-serializer Input Features Selection
PoWerDowN Bar
Progressive Turn On
SELect
RESeRVeD
Latch input data on Rising
or Falling edge of TCLK
Receiver Output Data
ENabled
BIST ENable
Note: MUST set DS90UR241
ALL DIN[23:0] inputs Low or
floating. Use in combination
with BISTM pin.
BIST Mode
Don’t care if BISTEN=L.
BISTEN MUST be High
(enabled) for this pin to be
functional.
RAndomizer OFF
SLEW rate control
for ROUT[23:0] and RCLK
SERDES Evaluation Kit DS90UR241/124 USB Version 0.1 User Manual
Description
Description
National Semiconductor Corporation
Power Down
(Disabled)
Enabled
(Default)
Don’t care
Falling Edge
(Default)
Disabled
Normal
Operating
Mode, BIST
Disabled
(Default)
Per Channel
pass/fail;
RxOUT[23:0]
=H: pass;
RxOUT[23:0]
=H: fail
Randomizer
ON.
(Default)
Note:
DS90UR241
RAOFF MUST
also be set Low.
(Default)
Input = L
Input = L
Normal
Operational
(Default)
Disabled
Don’t care
Rising Edge
Enabled
(Default)
BIST Mode
Enabled
RxOUT[7:0]:
binary error
counting
mode (up to
255 errors);
RxOUT[23:8]:
normal
operation
Randomizer
OFF.
Note:
DS90UR241
RAOFF MUST
also be set High.
~2X slew rate,
~2X drive
strength
Input = H
Input = H
Date: 5/8/2008
Page 14 of 36
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