SI2493-D-FS Silicon Laboratories Inc, SI2493-D-FS Datasheet - Page 207

• Manufacturer Part Number: SI2493-D-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-D-FS

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

AT:U199&FFF7
[Voice Stream]
<DLE><ETX>
AT:U72,05D7
AT:U72,065E
AT:U72,075E
AT:U72,0108
AT:U72,0900
AT+VSM=4
AT:U199|A
AT+VTX
Table 130. TAM Handset Review OGM (Continued)
Rev. 1.3
CONNECT
<DLE><u>
OK
OK
OK
OK
OK
OK
OK
OK
OK
Select G.711U -law PCM, 8-bit, 64 kbps
format. The voice driver will need to track
the OGM format with the OGM PCM file.
Trigger transmit operation.
TX Underrun. Appears at the start of +VTX
before transmit data are seen.
Transmit OGM voice stream. During voice
stream capture, the user can adjust the UB8
value via the <DLE><u> and <DLE><d>
commands. The host voice driver will need
track the number of adjustments and update
the +VGT value for future use.
Terminate the transmit operation. The
modem will respond with OK to denote the
return to command mode.
Mute the microphone and speaker paths to
the codec.
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
Configure Si3000 Register 7:
0 dB RX PGA gain
Enable SPKRL
Mute SPKRR
Configure Si3000 Register 9:
0 dB Line Out attenuation
0 dB Speaker output attenuation
Enable speaker for local ring tone/alert
tones.
AN93
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