National Semiconductor SERDES05-40USB, User Manual

Page: 8 / 39

SERDES Evaluation Kit DS99R105/106 USB Version 0.1 Users Manual
National Semiconductor Corporation
Date: 5/14/2008
Page 8 of 37
Configuration Settings for the Tx Board
S1: Serializer Input Features Selection
Reference Description Input = L Input = H S1
RESVRDA DCAOFF MUST be
tied low for
normal
operation
(Default)
-
RESVRDB DCBOFF MUST be
tied low for
normal
operation
(Default)
-
TPWDNB P o W er D ow N B ar Powers
Down
Operational
( Default)
TRFB Latch input data
on
R ising or
F alling edge of
TCLK
Falling
Edge
(Default)
Rising Edge
VODSEL FPD-LINKII
output VOD
SEL ect
≈
350mV
(Default)
≈
700mV
RESVRD RES e RV e D MUST be
tied low for
normal
operation
(Default)
DEN Output D ata
EN abled
Disabled Enabled
(Default)
UNUSED UNUSED Don’t care Don’t care