P1 ISP

 1 PB4 MISO
 2 VCC
 3 PB5 SCK
 4 PB3 MOSI
 5 PC6 RESET
 6 GND


P2 I/O

 1 VCC
 2 GND
 3 PC0 ADC0
 4 PC1 ADC1
 5 PC2 ADC2
 6 PC3 ADC3
 7 PC4 ADC4
 8 PC5 ADC5
 9 PD3 OC2B
10 PD4 XCK
11 PD5 OC0B (R6)
12 PD6 OC0A (R5)
13 PD7 (R4)
14 PB0 ICP1 (R3)
15 PB1 OC1A (R2)
16 PB2 OC1B (R1)
17 PB3 OC2A MOSI
18 PB4 MISO
19 PB5 SCK
20 GND


P3 NET

 1 GND
 2 VBATT
 3 VCC
 4 B
 5 A