Attributes
| Feature | Description |
|---|---|
| Architecture | 8-bit AVR RISC architecture |
| Operating Voltage | 2.7V – 5.5V |
| Maximum Clock Speed | 16 MHz |
| Flash Memory | 32 KB |
| EEPROM | 1 KB |
| SRAM | 2 KB |
| I/O Pins | 32 |
| Timers/Counters | 3 (Two 8-bit and one 16-bit) |
| ADC | 8-channel 10-bit ADC |
| PWM Channels | 4 (through Timers/Counters) |
| USART | 1 |
| SPI | 1 |
| I2C (TWI) | 1 |
| Watchdog Timer | Yes, with separate on-chip oscillator |
| Interrupts | 21 (external and internal) |
| Operating Temperature | -40°C to +85°C |
| Power-Saving Modes | 6 modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |
| Programming Interface | ISP (In-System Programming), JTAG |
| Package Types | PDIP, TQFP, MLF |
| Oscillator Options | Internal 8 MHz, External (Crystal, Resonator) |
| Brown-out Detection | Yes, with selectable thresholds |
| Peripheral Features | – Analog Comparator
– USART with SPI mode – Master/Slave SPI serial interface – Byte-oriented 2-wire Serial Interface |
| Development Tools | – Atmel Studio |
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