3. Atmega8

Status: OK

Arduino compatible board for Atmega8/48/88/168 and maybe others also.

features:

• reset button
• 10 pin ISP connector

3.1. Pins

board pin	AVR pin	Arduino pin	comment
0	PB0	D8
1	PB1	D9
2	PB2	D10
3	PB3	D11	MOSI
4	PB4	D12	MISO
5	PB5	D13	SCK
6	NC
7	NC
8	POWER
9	GND
10	PC0	A0
11	PC1	A1
12	PC2	A2
13	PC3	A3
14	PC4	A4
15	PC5	A5
16	NC
17	NC
18	POWER
19	GND
20	PD0	D0	RxD
21	PD1	D1	TxD
22	PD2	D2
23	PD3	D3
24	PD4	D4
25	PD5	D5
26	PD6	D6
27	PD7	D7
28	POWER
29	GND

AVR ISP Header Pinouts

3.2. Schematic

3.3. Board

top view:

wires only:

bottom view mirrored:

3.4. Partlist

part	value	position
C1	22p	(1.05 1.2)
C2	22p	(1 1.1)
C3	100n	(1.15 1.3)
C4	100n	(1.15 0.3)
C5	10u	(2.15 0.9)
IC2	MEGA8-P	(1.15 0.85)
PB		(0.55 0.1)
PC		(1.75 0.1)
PD		(2.95 0.1)
Q1		(0.95 1.3)
R1	10k	(1.95 1.1)
S1	RESET	(1 1.85)
X2		(1.8 1.85)

3.5. 3D view

3.5.1. Front

3.5.2. Right side

3.5.3. Left side

3.5.4. Bottom