8-bit AVR microcontroller featuring 4KB FLASH memory and 512B RAM. Operates at up to 20MHz with an 8-bit data bus width. Offers SPI, Serial, USART, 2-Wire, I2C, and UART interfaces. Includes 3 timers/counters and 23 programmable I/Os. Supports surface mount installation in a TQFP package, with an operating temperature range of -40°C to 85°C and supply voltage from 2.7V to 5.5V. Peripherals include Brown-out Detect/Reset, POR, PWM, and WDT.
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Microchip ATMEGA48-20AI technical specifications.
| Access Time | 20us |
| Package/Case | TQFP |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | SPI, Serial, USART, 2-Wire, I2C, UART |
| Lead Free | Contains Lead |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 23 |
| Number of Programmable I/O | 23 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 512B |
| RoHS Compliant | No |
| Series | AVR® ATmega |
| RoHS | Not Compliant |
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