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| PartNumber | AT32UC3B1256-AUR | AT32UC3B1256-AUT | AT32UC3B1256-AUR SPECCOM |
| Description | 32-bit Microcontrollers - MCU 256KB, 48TQFP 85deg. Green | 32-bit Microcontrollers - MCU 32-bit | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-48 | TQFP-48 | - |
| Series | AT32UC3B1 | AT32UC3B1 | - |
| Core | AVR | AVR | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 60 MHz | 60 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 28 I/O | 28 I/O | - |
| Operating Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tray | - |
| Height | 1.05 mm | 1.05 mm | - |
| Length | 7 mm | 7 mm | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7 mm | 7 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Interface Type | 2-Wire, SPI, USART | I2C, JTAG, SPI, TWI, USART | - |
| Number of ADC Channels | 6 | 6 | - |
| Number of Timers/Counters | 3 Timer | 2 Timer | - |
| Processor Series | AT32UC3x | AT32UC3x | - |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 2500 | 250 | - |
| Subcategory | 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 | - |
| Unit Weight | 0.319998 oz | 0.319998 oz | - |
| Product | - | MCU | - |
| Moisture Sensitive | - | Yes | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT32UC3B1256-AUR | 32-bit Microcontrollers - MCU 256KB, 48TQFP 85deg. Green | |
| AT32UC3B1256-AUT | 32-bit Microcontrollers - MCU 32-bit | ||
| AT32UC3B1256-AUR | Microcontrollers - MCU 32-bit Microcontrollers - MCU 256KB, 48TQFP 85deg. Green | ||
| AT32UC3B1256-AUT | Microcontrollers - MCU 32-bit Microcontrollers - MCU 32-bit | ||
| AT32UC3B1256-AUR SPECCOM | New and Original |