8-bit AVR microcontroller featuring 32KB FLASH memory and 2KB RAM. Operates at up to 20MHz with an 8-bit address and data bus. Offers 32 I/O pins, 8 ADC channels, and 6 PWM channels. Supports SPI, USART, I2C, and UART interfaces. Packaged in a 44-TQFP for surface mounting, with a wide operating temperature range of -40°C to 85°C and supply voltage from 2.7V to 5.5V. Includes integrated peripherals like a watchdog timer and brown-out detection.
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Microchip ATMEGA324P-20AU technical specifications.
| Access Time | 20us |
| Address Bus Width | 8b |
| Package/Case | A |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Density | 32KB |
| Frequency | 20MHz |
| Height | 1.05mm |
| Interface | SPI, USART, I2C, UART |
| Lead Free | Lead Free |
| Length | 10.1mm |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| 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 | 32 |
| Number of I2C Channels | 1 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 2KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Watchdog Timer | Yes |
| Width | 10.1mm |
| RoHS | Compliant |
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