8-bit AVR microcontroller featuring 64KB Flash memory and 4KB RAM. Operates at up to 16MHz with an 8-bit data bus width. Offers SPI, UART, and I2C interfaces, along with 8 ADC channels and 4 PWM channels. This surface mount device supports a supply voltage range of 2.7V to 5.5V and operates from -40°C to 85°C. Includes integrated peripherals such as Brown-out Detect/Reset, POR, and WDT.
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Microchip ATMEGA645-16AU technical specifications.
| Access Time | 16us |
| Package/Case | A |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Density | 64KB |
| Frequency | 16MHz |
| Height | 1.05mm |
| Interface | SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 14.1mm |
| Max Frequency | 16MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, , EEPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of Bits | 8 |
| Number of I/Os | 53 |
| Number of I2C Channels | 1 |
| Number of Inputs | 53 |
| Number of Outputs | 53 |
| Number of PWM Channels | 4 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 4KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
| Voltage | 5V |
| Watchdog Timer | Yes |
| Width | 14.1mm |
| RoHS | Compliant |
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