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SRIOFunctionalDescription
Table10.BitsofSERDES_CFGTXn_CNTLRegisters(continued)
BitFieldValueDescription
4:2BUS-Buswidth.Selectsthewidthoftheparallelinterface(10or8bit).
WIDTH
00010-bitoperation.DataisinputonTDn[9:0].TXBCLKnperiodis10bitperiods(4high,6low).
0018-bitoperation.DataisinputonTDn[9:2].TXBCLKnperiodis8bitperiods(4high,4low).
TDn[1:0]areignored.
01xReserved
1xxReserved
1ReservedReserved
0ENTXEnabletransmitter.Enablesthistransmitterwhenhigh.
Table11.SWINGBits
CFGTX[11:9]Amplitude(mV
dfpp
)
000125
001250
010500
011625
100750
1011000
1101125
1111250
Table12.DEBits
CFGTX[15:12]AmplitudeReduction
%dB
000000
00014.76-0.42
00109.52-0.87
001114.28-1.34
010019.04-1.83
010123.8-2.36
011028.56-2.92
011133.32-3.52
100038.08-4.16
100142.85-4.86
101047.61-5.61
101152.38-6.44
110057.14-7.35
110161.9-8.38
111066.66-9.54
111171.42-10.87
SPRU976–March2006SerialRapidIO(SRIO)31
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