SI2457-D-FT Silicon Laboratories Inc, SI2457-D-FT Datasheet - Page 195

• Manufacturer Part Number: SI2457-D-FT
• Description: IC ISOMODEM SYSTEM-SIDE 24TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-D-FT

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

AT:U196,5000
AT:U197,2000
AT:U19C,2400
AT:U19D,1800
AT:U19A,01E0
AT:U19B,001F
AT:U04F,01F4
AT:U156,FF10,FFA2,FFD7,FF35,FEF3,FE68,FB7E
AT:U15D,F90C,FDDF,091D,4F51,091D,FDDF,F90C
AT:U164,FB7E,FE68,FEF3,FF35,FFD7,FFA2,FF10
AT:U16B,0041,00B1,00AA,0001,FF92,0042,0183
AT:U172,0165,FEC0,FB05,3940,FB05,FEC0,0165
AT:U179,0183,0042,FF92,0001,00AA,00B1,0041
AT:U1A0,0000,0000,0000,0000,0000,0000,0000
AT:U1A7,0000,0000,0000,0000,0000,0000,0000
AT:U1AE,0000,0000,0000,0000,0000,0000,4000
AT:U1B5,0173,0273,045A,043B,0121,FD54,FE41
AT:U1BC,0197,0543,FD03,30D6,FD03,0543,0197
AT:U1C3,FE41,FD54,0121,043B,045A,0273,0173
AT:U72,0108
AT:U72,05D7
AT:U72,065E
Table 119. Initialization Sequence (Continued)
Rev. 1.3
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
Set output limiter threshold gain.
Set input limiter threshold gain.
Set AEC reference gain.
Set AEC microphone gain.
Set AEC filter length.
Set AEC adjustable delay.
Set flash hookswitch period.
Set Handset Transmit FIR coefficients.
Set Handset Receive FIR coefficients.
Set Speakerphone Transmit FIR coeffi-
cients.
Set Speakerphone Receive FIR coeffi-
cients.
Configure Si3000 Register 1:
Disable speaker driver
Enable line output driver
Disable telephone instrument driver
Disable MBIAS output
Configure Si3000 Register 5:
20 dB Line In gain
Enable Line In
20 dB MIC input gain
Mute MIC input
Mute telephone instrument input
Enable IIR filter
Configure Si3000 Register 6:
0 dB RX PGA gain
Enable Line Out
Disable telephone instrument output
AN93
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