BEGV643A Embedded LCD module

User Manual

Software Utility Disc

ISP Cable (option)

Accessories

BEGV643A

Display: FSTN/Gray LCD,LED/White Backlight(Default)

Parts NO.

Description

RS232-A

RS232-B

RS422

RS485

☆

☆

☆

☆

☆

☆

☆

One RS232

BEGV643A1

BEGV643A

BEGV643A2

BEGV643A3

Dual RS232

One RS232/One RS422

One RS232/One RS485

Order Information

PIN NO.

Signal

Signal

Signal

PIN NO.

PIN NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

GND

EEPSDA

VDD

EEPSCL

Vadj

EEPWP

Vout

IOB

/Reset

NC

/SS

422RP

MOSI

422RN

MISO

422TP/485P

SCK

422TN/485N

RX0

VDD2

TX0

VDD2

RX1

GND2

TX1

GND2

SDA

EN485

SCL

A

IOA

K

Pin Mapping Table

AVR 8-bit Microprocessor

64KB ISP Flash

2KB Internal EEPROM

4KB Internal SRAM

RS232

isolated

RS-485

isolated

RS-422

64KB x 3 EEPROM

(Optional)

IO

320 x 240 STN

Touch Panel

HS-SPI

I²C

RS232

I²C

BEGV643A BLOCK DIAGRAM

2

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