SI2457FS18-EVB Silicon Laboratories Inc, SI2457FS18-EVB Datasheet - Page 11

• Manufacturer Part Number: SI2457FS18-EVB
• Description: BOARD EVAL SI2457 + SI3018 16PIN
• Manufacturer: Silicon Laboratories Inc
• Series: ISOmodem®r

Specifications of SI2457FS18-EVB

• Main Purpose: Telecom, Data Acquisition Arrangement (DAA)
• Utilized Ic / Part: Si2457
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

AT:U71,11
AT*Y254:W0059,7785
AT*Y254:W004B,011C
AT*Y254:W004B,0200
AT*Y254:W004B,0300
AT*Y254:W004B,0400
AT*Y254:W004B,055A
AT*Y254:W004B,067F
AT*Y254:W004B,075F
ATH1
AT.1
AT.0
AT.4
AT Commands
Configure modem to 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 Reg3: PLL Divider N1
Write to Si3000 Control Reg4: PLL Divider M1
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 4. Voice Commands
Rev. 0.6
G l o b a l I S O m o d e m - E V B
Purposes
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