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Today Nov 20,2008
.......................Now I have board is product from inex model JX-MEGA128, if you need to order please to them. The Board it very simple to study. ATMEGA128 on Board expantion IO interface 50 port. include Charactor LCD 16*2 HD44870 chipset. if you need to see data sheet please download from website
...... Today I make the source code for test. For simple source code not warranty,,, if you found bug on my code, Could you please response to me by email the source code,I compile with WinAVR GCC Release 20060421
On board builtin standard LCD 16*2 standard. But on Board, can't use lcd Blacklight, I put resistor 10 Ohm 1/4 walt and wireing vcc to LCD Blacklight. if you need to change please see on picture
Update November 1,2008 ..............On Board configure the Port A as PA0... PA7 connect to line D0-D7 of LCD and Port D as PD5(EN). PD6(RW).PD7(RS), The board have 2 choie interface 2 mode (4 bit and 8 bit) interface The example code i have 2 zip for test. LC 4 Bit interface
Example 2 : connect to DS1820 Display Temperature ,Download source code for study
Example 3 : connect to key Board 4*4 . The IO Port Connect to Port C and PC0, PC1, PC2, PC3 as colume just to pull up Resistor 10 K Ohm to VCC and PC4,PC5,PC6,PC7 as row scan. testing reading the state of key and display the result to lcd,
Example 4 : Now I have tools for lcd,,, you can copy my function to your project function 1 : The Function for Display, you have 3 choice to display, Display Left, right hand or center on lcd. function 2: if you need to define some symbol on lcd ,,, I have example for you, Code
Sorry, My english not strong.... J.nut
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Education Board for Atmel ATMEGA8,,, as soon as posible update full project 
