The high-performance Microchip 8-bit AVR® RISC-based microcontroller combines 32KB ISP Flash memory with read-while-write capabilities, 1 KB EEPROM, 2 KB SRAM, 23 general-purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented Two-Wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts.
Features
- It’s the part of ATMEGA328-U
- It has RTC with a separate oscillator
- It has a serial USART
- It has a Master/Slave SPI interface
- It has a 2-wire interface
- It has a watchdog timer
- It has an Analog comparator
- It has 23 IO lines
- It has a data retention of 20 years at 85 °C/ 100 years at 25 °C
- Advanced RISC Architecture High Endurance Non-volatile Memory Segments
- Peripheral Features Special Microcontroller Features
- Endurance Non-volatile Memory segments
Specification
| Operating Voltage | 1.8 - 5.5 V |
| Speed Grade | 0 - 20 MHz @ 1.8 - 5.5 V |
| Active Mode | 0.2 mA |
| Power-down Mode | 0.1 µA |
| Power-save mode | 0.75 µA |
| Flash |
32 KB |
| EEPROM | 1 KB |
| RAM | 2 KB |
| Program Memory Type | Flash |
| Digital Communication Peripherals | 1-UART, 2-SPI, 1-I2C |
| Capture/Compare/PWM Peripherals | 1 Input Capture, 1 CCP, 6 PWM |
| Timers | 2 x 8-bit, 4 x 16-bit |
| Pin Count | 28 |
| Country of Origin | China |
