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| PartNumber | ATMEGA169-16AI | ATMEGA169-16AU | ATMEGA169-16AU A |
| Description | IC MCU 8BIT 16KB FLASH 64TQFP | IC MCU 8BIT 16KB FLASH 64TQFP | |
| Manufacturer | Atmel | - | - |
| Product Category | Embedded - Microcontrollers | - | - |
| Series | AVRR ATmega | - | - |
| Packaging | Tray | - | - |
| Package Case | 64-TQFP | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | - | - |
| Supplier Device Package | 64-TQFP (14x14) | - | - |
| Number of I O | 54 | - | - |
| Speed | 16MHz | - | - |
| EEPROM Size | 512 x 8 | - | - |
| Core Processor | AVR | - | - |
| RAM Size | 1K x 8 | - | - |
| Program Memory Type | FLASH | - | - |
| Peripherals | Brown-out Detect/Reset, LCD, POR, PWM, WDT | - | - |
| Connectivity | SPI, UART/USART, USI | - | - |
| Voltage Supply Vcc Vdd | 2.7 V ~ 5.5 V | - | - |
| Core Size | 8-Bit | - | - |
| Program Memory Size | 16KB (8K x 16) | - | - |
| Data Converters | A/D 8x10b | - | - |
| Oscillator Type | Internal | - | - |