参数资料
型号: SI2493FS18-EVB
厂商: Silicon Laboratories Inc
文件页数: 9/36页
文件大小: 0K
描述: BOARD EVAL SI2493 + SI3018 16PIN
标准包装: 1
系列: ISOmodem®
主要目的: 电信,数据采集装置(DAA)
已用 IC / 零件: Si2493
已供物品: 板,CD
Si2493/57/34/15/04
Global ISOmodem-EVB
The block diagram in Figure 8 shows how the two evaluation boards are connected to demonstrate voice mode
operation.
Si3000SSI-EVB Motherboard
Si3000 Daughterboard
Leave J3 unconnected.
Power is provided
JP5
J
3
through JP 6 connector.
J6 of Daughterboard
1
SW2
2
Speaker
Mic Line
In
JP4
Line J
Out 6
12V
GND
External
+12V
Supply
JP4
Use telephone in off
SW3
2
Direct Connection
JP4
1
JP6
RJ11
Note M1 and M0
jumper settings.
Si24xx-EVB
J4
Power
Adapter
hook position to emulate
600 ? Handset. Not all
handsets are
implemented as 2 wire
anymore.
Connect the telephone to RJ11
(right side) on the Si3000
Daughterboard, NOT to the
RJ11 on motherboard. Look for
silk screen marking "HDST".
RS232
COM 1
Si24xx-DC
RJ11
WAN
Telephone
Windows PC
Figure 8. Connection Block Diagram for Si3000SSI-EVB and Si24XXURT-EVB
2.1.11. Voice Mode
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 9.
AT commands
HOST
Responses
Si2457 Modem
DAA
2- wire
FSYNC
TDMA Interface
SDI
SDO
CLKOUT
FSYNC
SDO
SDI
MCLK
Handset
Si3000 Voice Codec
Figure 9. Voice Mode Block Diagram
Rev. 0.6
9
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