ATMEGA128 Board documentation and I/O ports. Board Rev. 1.09
RS232_1
RS232_2
Pin#:
Signal:
1
-
2
RXD
3
TXD
4
5
GND
6
7
8
9
10
KBD
ISP
PDI
INT6 / PE6
VCC
PE2
RST
PE3
SCK
PE4
PDO
SD/MMC
I²C-TTL-IO
MOSI/PB2
SCL / PD0
MISO/PB3
SDA / PD1
RXD1 / PD2
PB4
TXD1 / PD3
PD4
PD5
DISP
IOPORT_1
PA5
PC4
PA4
PA6
PC5
PA3
PC0 / RS
PC6
PA2
PC1 / RD
PC7
PA1
PC2 / EN
PB6 / OC1B
PA0
ADC_1
DS1820
ADC6 / PF6
+
ADC5 / PF5
D
DATA / PA7
ADC7 / PF7
ADC4 / PF4
ADC3 / PF3
ADC2 / PF2
ADC0 / PF0
ADC1 / PF1