BEGV643A

BEGV643A Display Embedded System Microprocessor T/P Connector RS422 LCD Controller EEPROM RS232 Connector Features High performance, Low power AVR 8-bit microprocessor Built-in 64KB Flash memory / 4KB SRAM On board updateable 128KB EEPROM One isolated RS485 / 422 / 232, 1 x RS232 High speed SPI and I²C Lower voltage operation to 3.3V Built-in 4-wired resistive touch panel Current consumption 180mA 320 x 240 monochrome STN LCD On-chip power-on reset(POR) and programmable watchdog reset Comprehensive set of development tools and application notes for self programming RS485 / 422 / 232 driver, SPI driver, I²C driver, Touch panel driver, LCM driver and Utility are supported Dimension (W x H x D): 160 x 109 x 16.5mm Hardware Specifications Processor High performance,Low power AVR 8-bit microprocessor RS232 / 422 / 485 Port Support one port shard between with RS232 isolated RS422 and isolated RS485 Memory 64KB In-system programmable flash 2KB Internal EEPROM 4KB Internal SRAM 64KB x 2 External I²C CMOS EEPROM (option: 64KBx3) Serial Peripheral Interface One full-duplex, three-wired synchronous data transfer SPI port One two-wired serial interface(I²C) to 250KHz data transfer speed Display Interface Support 8-bit single scan with resolution 320 x 240 Monochrome STN LCD, edge LED white backlight only Touch Panel Interface Support four-wired resisitive touch panel interface Software Utilities Support RS232 / 422 / 485 driver, SPI driver I²C driver, Touch panel and LCM driver Serial Port Support dual serial port, one is three-wired RS232, another is shared with RS422 and RS485 port DC Requirement DC3.3V~5.5V BOLYMIN, INC. VER:03 1 BEGV643A Accessories BEGV643A Embedded LCD module User Manual Software Utility Disc ISP Cable (option) BEGV643A BLOCK DIAGRAM HS-SPI AVR 8-bit Microprocessor 64KB ISP Flash 320 x 240 STN 2KB Internal EEPROM 4KB Internal SRAM Touch Panel isolated RS-485 isolated RS-422 I²C 64KB x 3 EEPROM (Optional) IO I²C RS232 RS232 Pin Mapping Table PIN NO. 1 2 3 4 5 6 7 8 9 10 11 Signal GND EEPSDA VDD EEPSCL Vadj EEPWP Vout IOB /Reset NC /SS PIN NO. 12 13 14 15 16 17 18 19 20 21 22 Signal 422RP MOSI 422RN MISO 422TP/485P SCK 422TN/485N RX0 VDD2 TX0 VDD2 PIN NO. 23 24 25 26 27 28 29 30 31 32 Signal RX1 GND2 TX1 GND2 SDA EN485 SCL A IOA K Order Information Parts NO. BEGV643A BEGV643A1 Description Dual RS232 One RS232 RS232-A ☆ ☆ ☆ ☆ ☆ ☆ RS232-B ☆ RS422 RS485 BEGV643A2 One RS232/One RS422 BEGV643A3 One RS232/One RS485 Display: FSTN/Gray LCD,LED/White Backlight(Default) BOLYMIN, INC. www.bolymin.com.tw Revised Date:14-SEP-2009 VER:03 2