IC MCU
| Part | Number of I/O | Mounting Type | Voltage - Supply (Vcc/Vdd) [Max] | Voltage - Supply (Vcc/Vdd) [Min] | Core Processor | Data Converters [custom] | Data Converters [custom] | Supplier Device Package | Program Memory Size | Program Memory Type | Oscillator Type | Speed | Core Size | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SparkFun Electronics  | 23  | Through Hole  | 5 V  | 1.8 V  | AVR  | 10 b  | 6  | 28-DIP  | 32 KB  | FLASH  | External  | 20 MHz  | 8-Bit  |