 | |  | |
| PartNumber | AT32UC3A1256-AUT | AT32UC3A1256-AUR | AT32UC3A1256AU-AUR |
| Description | 32-bit Microcontrollers - MCU 32-bit 256KB Flash | 32-bit Microcontrollers - MCU 256KB, 100LQFP 85deg. Green | 32-bit Microcontrollers - MCU 256K Flash Audio 85Deg |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-100 | TQFP-100 | TQFP-100 |
| Series | AT32UC3A1 | AT32UC3A1 | AT32UC3A1 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 66 MHz | 66 MHz | 66 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 64 kB | 64 kB | 64 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 69 I/O | 69 I/O | 5 I/O |
| Operating Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Reel |
| Height | 1 mm | 1.05 mm | - |
| Length | 14 mm | 14 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | - |
| Width | 14 mm | 14 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | 2-Wire, RS-485, SPI, USART | 2-Wire, RS-485, SPI, USART | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | 8 Channel | 8 Channel |
| Number of Timers/Counters | 1 x 16 bit | 1 x 16 bit | 1 x 16 bit |
| Processor Series | AT32UC3x | AT32UC3x | AT32UC3A |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 1000 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.95 V, 3.6 V | 1.95 V, 3.6 V | - |
| Supply Voltage Min | 1.65 V, 3 V | 1.65 V, 3 V | - |
| Tradename | AVR | AVR | AVR |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.023175 oz | 0.023175 oz | 0.023175 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT32UC3A1256-AUT | 32-bit Microcontrollers - MCU 32-bit 256KB Flash | |
| AT32UC3A1256-AUR | 32-bit Microcontrollers - MCU 256KB, 100LQFP 85deg. Green | ||
| AT32UC3A1256AU-AUR | 32-bit Microcontrollers - MCU 256K Flash Audio 85Deg | ||
| AT32UC3A1256-AUR | Microcontrollers - MCU 32-bit Microcontrollers - MCU 256KB, 100LQFP 85deg. Green | ||
| AT32UC3A1256AU-AUR | Microcontrollers - MCU 32-bit Microcontrollers - MCU 256K Flash Audio 85Deg | ||
| AT32UC3A1256-AUT | Microcontrollers - MCU 32-bit Microcontrollers - MCU 32-bit 256KB Flash | ||
| AT32UC3A1256AUT | MCU 32-bit AT32 AVR RISC 256KB Flash 1.8V/3.3V 100-Pin TQFP Tray (Alt: AT32UC3A1256-AUT) | ||
| AT32UC3A1256-AU | New and Original | ||
| AT32UC3A1256-U | New and Original |