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| Part Number | ATMEGA16-16AJ |
| Datasheet | ATMEGA16-16AJ datasheet |
| Description | IC MCU 8BIT 16KB FLASH 44TQFP |
| Manufacturer | Microchip Technology |
| Series | AVR® ATmega |
| Part Status | Obsolete |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 44-TQFP |
| Base Part Number | 44-TQFP (10x10) |