GDC21D003 Datasheet, PDF (22/77 Pages) Hynix Semiconductor – VSB Receiver

Address 33 :
7
nFreezePHI2
6
InitPHI2
[5:4]
PHASmodeIN
[1:0]
3
nFreezeEQI2
2
InitEQI2
[1:0]
STEPsizeIN
[1:0]
GDC21D003
‘0’ : Freezes the Phase Tracker in the device, which means phase tracking does
not occur.
W/R ‘1’ : normal operation
If you want to control Phase Tracker fast, use external input pins.
Initial value is ‘1’.
‘1’ : Initialize the Phase Tracker in the device.
W/R
‘0’ : normal operation
If you want to control Phase Tracker fast, use external input pins.
Initial value is ‘0’.
There are three loops in the Phase, which are gain, offset, and phase loop
Tracker.
00 : all loops on
W/R
01 : offset loop off
10 : offset and gain loops off
11 : all loops off
Initial value is “00”.
‘0’ : Freezes the Equalizer in the device, which means coefficient update does
not occur.
W/R ‘1’ : normal operation
If you want to control Equalizer fast, use external input pins.
Initial value is ‘1’.
‘1’ : Initializes the Equalizer in the device.
W/R
‘0’ : normal operation
If you want to control Equalizer fast, use external input pins.
Initial value is ‘0’.
There are three available step-sizes in the Equalizer.
10,11 : smallest step-size
W/R
01 : middle step-size
00 : largest step-size
Initial value is “11”.
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