SI2493-C-GT Silicon Laboratories Inc, SI2493-C-GT Datasheet - Page 107
SI2493-C-GT
Manufacturer Part Number
SI2493-C-GT
Description
IC ISOMODEM SYSTEM-SIDE 24TSSOP
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI2493-C-FS.pdf
(230 pages)
Specifications of SI2493-C-GT
Mfg Application Notes
SI2493/57/34/15/04, Appl Note AN93
Data Format
V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
Baud Rates
56k
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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AN93
3.5.1. PCM/Voice Mode (24-Pin TSSOP Only)
The Si3000 is used in conjunction with the Si2493/57/34/15/04 to transmit and receive 16-bit voice samples to and
from telephone lines as shown in Figure 21.
AT commands
HOST
2- wire
Responses
Si2457 Modem
NexGen
FSYNC
DAA
SDO
CLKOUT
SDI
TDMA Interface
SDO
SDI
FSYNC
MCLK
Handset
Si3000 Voice Codec
Figure 21. Voice Mode Block Diagram
Figure 22 shows the actual circuit connection between the Si2493/57/34/15/04 and the Si3000.
Rev. 0.9
107
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