8-bit AVR microcontroller featuring 16KB FLASH memory and 1KB RAM. Operates at up to 20MHz with an 8-bit data bus width. Offers I2C, SPI, and UART/USART interfaces, with 23 programmable I/Os and 3 timers/counters. Includes internal oscillator, brown-out detect, POR, PWM, and WDT peripherals. Housed in a VQFN package for surface mounting, with a temperature range of -40°C to 85°C and a supply voltage from 1.8V to 5.5V.
Frequency20MHz
PackageVQFN
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA168A-MMHR technical specifications.
General
| Package/Case | VQFN |
| Contact Plating | Tin, Matte |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of I/Os | 23 |
| Number of Programmable I/O | 23 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 1KB |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
| Watchdog Timer | Yes |
Compliance
| RoHS | Compliant |
Datasheet
Microchip ATMEGA168A-MMHR Datasheet
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