Bolymin BEGV643A Series, User Manual

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BEGV643A User Manual Ver.0
2
- 16 -
2-2-2 Pin vs. Function Diagram
2-2-2-1 Power/LCD/Backlight
Diagram of system power supply, and contrast adjustment.
2-2-2-2 In-System Programming
BEGV643A offers in-system software burn-in function, which allows designer to write software into
ATmega644p via ATMEL AVR ISP MKII writer without taking ATmega644p IC off board.
Please visit following website for more information on AVR ISP MKII writer.
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3808
2-2-2-3 RS-232
BEGV643A offers RS-232 port to contact PC or other RS232 device directly without ICL232.
BEGV64
3
A
VDD
GND
Vadj
Vout
GND
+5V
A
K
/Reset
BEGV64
3
A
VDD
GND GND
+5V
SCK
MOSI
MISO
/Reset
BEGV64
3
A
VDD
GND
GND
+5V
RX0
TX0
2
3
5
RS232 Host/Slave
DB9