| IO数 | 秋月価格 | |
| ATTiny2313 | 17+1 | 100 |
| ATTiny13A | 5+1 | 120 |
| ATTiny861A | 200 | |
| ATMega8 | 22+1 | 200 |
| ATMega88 | 230 | |
| ATMega168 | 230 | |
| ATMega328 | 250 | |
| AT90S2323 | 380 | |
| ATMega164 | 400 | |
| ATMega644 | 500 | |
| ATMega64 | 550 | |
| ATMega64L | 640 | |
| ATMega128 | 850 | |
| AT90S8535 | 700 |
| IO数 | 秋月価格 | |
| ATTiny2313 | 17+1 | 100 |
| ATTiny13A | 5+1 | 120 |
| ATMega8 | 22+1 | 200 |
| ATMega64 | 550 | |
| ATMega88 | 230 | |
| ATMega164 | 400 | |
| ATMega168 | 230 | |
| ATMega128 | 850 | |
| ATMega328 | 250 | |
| ATMega644 | 500 |