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| 型号： | SI2401FS10-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 4/76页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL SI2401 UART INTERFACE |
| 标准包装： | 1 |
| 系列： | ISOmodem® |
| 主要目的： | 电信，调制解调器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | SI2401 |
| 主要属性： | 双路 RJ-11 连接至电话线路，音频连接器 |
| 次要属性： | RS-232，TTL 串行和 USB 接口 |
| 已供物品： | 板，调制解调器，电源 |
| 相关产品： | 336-1095-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC |
| 其它名称： | 336-1167 |
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Si2401
12
Rev. 1.0
4. Functional Description
The Si2401 is a complete modem chipset with
integrated direct
access
arrangement
(DAA)
that
provides a programmable line interface to meet global
telephone line requirements. Available in two 16-pin
small-outline packages, this solution includes a DSP
data pump, modem controller, codec, and DAA.
The modem accepts simple modem AT commands and
provides connect rates up to 2400 bps full-duplex over
the Public Switched Telephone Network (PSTN) with
V.42 hardware support through HDLC framing. To
minimize handshake times, the Si2401 can implement a
V.22-based fast connect. The modem also supports the
V.23 reversing protocol and standard alarm formats
including SIA.
This device is ideal for embedded modem applications
due to its small board space, low power consumption,
and global compliance. The Si2401 solution integrates a
silicon DAA using Silicon Laboratories’ proprietary third-
generation DAA technology. This highly-integrated DAA
can be programmed using the Si3010 to meet
worldwide PTT specifications for ac termination, dc
termination, ringer impedance, and ringer threshold.
The DAA can also monitor line status for parallel
handset detection and overcurrent conditions.
The Si2401 is designed for rapid assimilation into
existing modem applications. The device interfaces
directly through a UART to a microcontroller. The
Si2401URT-EVB evaluation board connects directly to a
standard RS-232 interface. This allows for evaluation of
the
modem
immediately
upon
powerup
via
HyperTerminal or any standard terminal software.
The
chipset
can
be
fully
programmed
to
meet
international telephone line interface requirements with
full compliance to FCC, TBR21, JATE, and other
country-specific PTT specifications. In addition, the
Si2401 has been designed to meet the most stringent
worldwide requirements for out-of-band energy, billing-
tone
immunity,
high-voltage
surges,
and
safety
requirements.
Table 7. Selectable Configurations
Configuration
Modulation
Carrier
Frequency (Hz)
Data Rate
(bps)
Standard
Compliance
V.21
FSK
1080/1750
300
Full
V.22*
DPSK
1200/2400
1200
Full
V.22bis*
QAM
1200/2400
2400
No retrain
V.23
FSK
1300/2100
1200/75
Full; plus reversing
(Europe)
V.23
1300/1700
600/75
Bell 103
FSK
1170/2125
300
Full
Bell 212A
DPSK
1200/2400
1200
Full
Security
DTMF
—
40
Full
SIA—Pulse
Pulse
—
Low
Full
SIA Format
FSK
1170/2125
300 half-duplex
300 bps only
*Note: The Si2401 only adjusts its DCE rate from 2400 bps to 1200 bps if it is connecting to a V.22-only (1200 bps only)
modem. Because the V.22bis specification does not outline a fallback procedure, the host should implement a
fallback mechanism consisting of hanging up and connecting at a lower baud rate. Retraining to accommodate
changes in line conditions that occur during a call must be implemented by terminating the call and redialing.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI2401-FSR | 功能描述:电信线路管理 IC 2400b/s System Side 3rd Gen DAA Tech RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| SI2401URT-EVB | 功能描述:网络开发工具 U 634-SI2401FS10-EVB RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| SI2403 | 制造商:SILABS 制造商全称:SILABS 功能描述:V.22BIS ISOMODEM CHIPSET WITH ERROR CORRECTION |
| SI2403-FT | 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET ISOMODEM 2.4KBPS 24TSSOP - Rail/Tube |
| SI2404 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:V.90, V.34, V.32BIS, V.22BIS ISOMODEM?? WITH GLOBAL DAA |
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