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UM0239 数据表(PDF) 1 Page - STMicroelectronics |
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UM0239 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 44 page ![]() July 2006 Rev 1 1/44 UM0239 User manual ST7540 Power Line Modem Demokit Graphical User Interface (GUI) Introduction The "ST7538/40 FSK Power Line Modem Demo Kit" is a software tool that allows interfacing one or more ST Power Line Modem (PLM) Demo Boards with a Personal Computer. Only PLM Demo Boards equipped with ST7538 and ST7540 devices are supported. The typical Application Environment consists of a PC that communicates, through a ST7 microcontroller placed on a general purpose board called "EVALCOMMBOARD" (see Section 1.5), with a Power Line Modem Board equipped with ST7538 or ST7540 products as shown in Figure . The interface used to communicate between the PC and the EVALCOMMBOARD is the RS-232 (USB interface will be supported in future). At start-up, the Software recognizes automatically which type of device is connected to PC and modifies its appearance differently for the ST7538 or the ST7540. This document describes the ST7540 operating mode (see Section 1.5). A schematic of the application environment With the "ST7538/40 FSK Power Line Modem Demo Kit" it is possible to: ● Write/read ST7540 (or ST7538) Control Register ● Open a Tx session ● Open a Rx session ● Open a Ping session (minimum two devices required) PERSONAL COMPUTER ST7538/40 DEMOKIT CTRL REGISTER PROGRAMMING RX SESSION TX SESSION PING SESSION ST7538 or ST7540 ST7 µC MAINS EVALCOMMBOARD EVALST7538DUAL or EVALST7540-1 GUI RS-232 or USB www.st.com |
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