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SI2401FS10-EVB Scheda tecnica(PDF) 1 Page - Silicon Laboratories |
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SI2401FS10-EVB Scheda tecnica(HTML) 1 Page - Silicon Laboratories |
1 / 32 page Rev. 1.1 3/06 Copyright © 2016 by Silicon Laboratories Si2401FS10-EVB Si2401FS10-EVB E VALUATION B OARD F OR THE Si2401 WITH A UART I NTERFACE Description The Si2401FS10-EVB evaluation board provides the system designer an easy way of evaluating the Si2401 ISOmodem®. The Si2401FS10-EVB consists of a motherboard with a power supply, an RS-232 and USB interface, other ease-of-use features, and a complete removable modem module on a daughter card. (A functional block diagram of the Si2401FS10-EVB is shown below.) The Si2401 ISOmodem is a complete controller-based modem chipset integrating Silicon Labs’ third-generation, globally-programmable direct access arrangement (DAA). Available as two 16-pin small outline (SOIC) packages, the Si2401 ISOmodem eliminates the need for a separate DSP data pump, modem controller, memories, codec, isolation transformer, relays, opto-isolators, and a 2- to 4-wire hybrid. The Si2401 is ideal for embedded modem applications due to its small board area, controller- based architecture, low power consumption, and global compliance. The Si2401FS10-EVB provides an RJ-11 jack for interfacing to the phone line and a DB9 or USB connector for interfacing the Si2401FS10-EVB to a PC or data terminal serial port. This allows the Si2401 ISOmodem to operate as a serial modem for straightforward evaluation. To evaluate the Si2401 ISOmodem in an embedded system, the daughter card can be used independently or with the motherboard. A direct access header (JP3) is available on the motherboard to bypass the RS-232 transceivers and connect the Si2401 ISOmodem directly to a target system. Power is supplied through a screw terminal (J3) or a standard 2 mm power jack (J4). An onboard rectifier, filter, and voltage regulator allow the power input to be 7.5–13 V ac or dc (either polarity). Alternatively, power can be supplied through the USB interface (whether the USB or an RS232 interface is used). The Si2401FS10- EVB can drive an external speaker for call monitoring, or a piezoelectric speaker can be mounted directly on the board in the space provided. Features The Si2401FS10-EVB includes the following: Dual RJ-11 connection to phone line RS-232 and USB interface to PC Audio connector for call monitoring Direct access to Si2401 for embedded application evaluation Easy power connection to common 7.5–13.5 V power supplies or USB port 9 V ac adaptor Simple installation and operation Functional Block Diagram Rectifier Filter 7.5–13.5 V dc or peak ac RS-232 Transceivers UART DB9 Interface Selection Jumpers Si2401 Push Button Reset RESET XTALI XTALO Si3010 Interface Circuit RJ-11 Phone Line Audio Amplifier AOUT Audio Out Direct Access HDR Daughter Board Boundary Voltage Regulator 3.3 V 5 V Power-On Reset 9 V dc at 300 mA ac Adaptor USB Connector USB I/F |
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