ATmega644P-20PU
8-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 20MHz with an 8-bit address and data bus. Offers 32 I/Os, 8 ADC channels, 6 PWM channels, and 3 timers/counters. Supports I2C, SPI, and UART/USART interfaces. Packaged in a 40-pin DIP for through-hole mounting, with an operating temperature range of -40°C to 85°C.
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About ATmega644P-20PU
The Microchip ATmega644P-20PU Computing Embedded Systems datasheet provides detailed technical specifications, pinout information, and operating characteristics. This component: 8-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 20MHz with an 8-bit address and data bus. Offers 32 I/Os, 8 ADC channels, 6 PWM channels, and 3 timers/counters. Supports I2C, SPI, and UART/USART interfaces. Packaged in a 40-pin DIP for through-hole mounting, with an operating temperature range of -40°C to 85°C.. Key parameters include Access Time: 20us, Address Bus Width: 8b, Core Architecture: AVR, Data Bus Width: 8b, and Frequency: 20MHz. ATmega644P-20PU is manufactured by Microchip as part of their Computing Embedded Systems product line. On this page you can view and download the PDF datasheet, check specifications, and find similar components.
Specifications
- Manufacturer
- Microchip
- Category
- Computing Embedded Systems
- File Size
- 8 MB
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Parameters
| Access Time | 20us |
| Address Bus Width | 8b |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Height | 4.826mm |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 52.58mm |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Through Hole |
| Number of ADC Channels | 8 |
| Number of I2C Channels | 1 |
| Number of I/Os | 32 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package/Case | DIP |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 4KB |
| Reach SVHC Compliant | No |
| RoHS | Compliant |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
| Watchdog Timer | Yes |
| Width | 13.97mm |