SI2493-C-FT Silicon Laboratories Inc, SI2493-C-FT Datasheet - Page 109

• Manufacturer Part Number: SI2493-C-FT
• Description: 56 KBPS, V.92 ISOMODEM SYSTEM-SIDE - LEAD-FREE TSSOP 0 TO 7
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-C-FT

• 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

AT*Y254:W004B,055A
AT*Y254:W004B,011C
AT*Y254:W004B,0200
AT*Y254:W004B,067F
AT*Y254:W004B,075F
AT*Y254:W0059,7785
AT Commands
AT:U71,11
ATH1
AT.1
AT.0
AT.4
Tell modem send/receive data in linear mode to/from Si3000 interface.
Enable Si2457 modem TDMA’s interface by setting LSBit of memory
0x0059.
Write to Si3000 Control Reg1: Line Driver, Handset Driver, and Micro-
phone Bias Normal Operations are enabled.
Write to Si3000 Control Reg2: HPF enabled, PLL divided by 5, Digital
Loopback Off.
Write to Si3000 Control Reg5: Line-In, Mic-In, Handset-In, FIR are acti-
vated.
Write to Si3000 Control Reg6: Line-Out, Handset-Out are activated.
Write to Si3000 Control Reg7: SPKR_L, SPLR_R are activated.
Off-hook command for calling.
Dial individual number 1.
Dial individual number 0.
Dial individual number 4 and wait for answer.
Table 76. Voice Commands
Rev. 0.9
Purposes
AN93
109