 |  | | |
| PartNumber | ATMEGA1284-MU | ATMEGA1284-AU | ATMEGA1284-AUR |
| Description | 8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz | 8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz | 8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | MLF-44 | TQFP-44 | TQFP-44 |
| Series | ATmega1284 | ATmega1284 | ATmega1284 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | MCU |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 160 | 2000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.004864 oz | 0.077179 oz | 0.009640 oz |
| Program Memory Size | - | 128 kB | - |
| Data RAM Size | - | 16 kB | - |
| ADC Resolution | - | 10 bit | - |
| Number of I/Os | - | 32 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | SRAM | - |
| Data ROM Size | - | 4 kB | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | 2-Wire Serial, SPI, USART | - |
| Moisture Sensitive | - | Yes | Yes |
| Number of ADC Channels | - | 8 | - |
| Number of Timers/Counters | - | 4 Timer | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 1.8 V | - |