| Device Click for Data Sheet | Flash (Kbytes) | Pin Count | Max. Operating Frequency | QTouch Channels | Hardware QTouch Acquisition | Max I/O Pins | Ext Interrupts | Quadrature Decoder Channels | USB Transceiver | USB Speed | USB Interface | SPI | TWI | UART | CAN | LIN | SSC | Ethernet | SD / eMMC | Segment LCD | Graphic LCD | Video Decoder | Camera Interface | ADC channels | ADC resolution | ADC speed | Analog Comparators | Resistive Touch Screen | DAC channels | DAC resolution | Temp. Sensor | SRAM (Kbytes) | EEPROM (Bytes) | Self Program Memory | External Bus Interface | DRAM Memory | NAND Interface | picoPower | Temp. Range | I/O Supply Class | FPU | MPU / MMU | Crypto Engine | Timers | Output Compare channels | Input Capture Channels | PWM Channels | 32kHz RTC | Calibrated RC Oscillator | Packages | Green Packages |
| AT32UC3L016 | 16 | 48 | 50 | 17 | yes | 36 | 36 | 0 | 0 | 0 | 0 | 5 | 2 | 4 | 0 | 4 | 0 | 0 | 0 | no | no | no | no | 8 | 12 | 460 | 8 | no | 0 | 0 | yes | 8 | 0 | yes | 0 | no | no | yes | -40 to 85 °C | 1.62 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 35 | yes | yes | VQFN (Sawn) 48 | VQFN (Sawn) 48 ULGA 48 TQFP 48 |
| AT32UC3L032 | 32 | 48 | 50 | 17 | yes | 36 | 36 | 0 | 0 | 0 | 0 | 5 | 2 | 4 | 0 | 4 | 0 | 0 | 0 | no | no | no | no | 8 | 12 | 460 | 8 | no | 0 | 0 | yes | 16 | 0 | yes | 0 | no | no | yes | -40 to 85 °C | 1.62 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 35 | yes | yes | VQFN (Sawn) 48 | VQFN (Sawn) 48 ULGA 48 TQFP 48 |
| AT32UC3B064 | 64 | 64 | 60 | 32 | no | 44 | 44 | 0 | 1 | full speed | device + OTG | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 0 | 0 | no | 16 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | VQFN (Sawn) 64 | VQFN (Sawn) 64 TQFP 64 |
| AT32UC3B164 | 64 | 48 | 60 | 32 | no | 28 | 28 | 0 | 1 | full speed | device | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | no | no | no | no | 6 | 10 | 384 | 0 | no | 0 | 0 | no | 16 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 48 | TQFP 48 VQFN (Punched) 48 |
| AT32UC3A364S | 64 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | AES | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3A364 | 64 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3L064 | 64 | 48 | 50 | 17 | yes | 36 | 36 | 0 | 0 | 0 | 0 | 5 | 2 | 4 | 0 | 4 | 0 | 0 | 0 | no | no | no | no | 8 | 12 | 460 | 8 | no | 0 | 0 | yes | 16 | 0 | yes | 0 | no | no | yes | -40 to 85 °C | 1.62 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 35 | yes | yes | VQFN (Sawn) 48 | VQFN (Sawn) 48 ULGA 48 TQFP 48 |
| AT32UC3C064C | 64 | 144 | 66 | -- | no | 123 | 144 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 20 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 20 | no | yes | LQFP144 | |
| AT32UC3C164C | 64 | 100 | 66 | -- | no | 81 | 100 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 20 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 19 | no | yes | TQFP 100 | |
| AT32UC3C264C | 64 | 64 | 66 | -- | no | 45 | 64 | 1 | 1 | full speed | device + OTG | 5 | 2 | 4 | 2 | 4 | 1 | 1 | 0 | no | no | no | no | 11 | 12 | 2000 | 2 | no | 2 | 12 | no | 20 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 3 | 13 | 6 | 14 | no | yes | QFN64/TQFP64 | |
| AT32UC3A1128 | 128 | 100 | 66 | 32 | no | 69 | 69 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 32 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 100 | TQFP 100 |
| AT32UC3A0128 | 128 | 144 | 66 | 32 | no | 109 | 109 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 32 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| Device Click for Data Sheet | Flash (Kbytes) | Pin Count | Max. Operating Frequency | QTouch Channels | Hardware QTouch Acquisition | Max I/O Pins | Ext Interrupts | Quadrature Decoder Channels | USB Transceiver | USB Speed | USB Interface | SPI | TWI | UART | CAN | LIN | SSC | Ethernet | SD / eMMC | Segment LCD | Graphic LCD | Video Decoder | Camera Interface | ADC channels | ADC resolution | ADC speed | Analog Comparators | Resistive Touch Screen | DAC channels | DAC resolution | Temp. Sensor | SRAM (Kbytes) | EEPROM (Bytes) | Self Program Memory | External Bus Interface | DRAM Memory | NAND Interface | picoPower | Temp. Range | I/O Supply Class | FPU | MPU / MMU | Crypto Engine | Timers | Output Compare channels | Input Capture Channels | PWM Channels | 32kHz RTC | Calibrated RC Oscillator | Packages | Green Packages |
| AT32UC3B0128 | 128 | 64 | 60 | 32 | no | 44 | 44 | 0 | 1 | full speed | device + OTG | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 0 | 0 | no | 32 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | VQFN (Sawn) 64 | VQFN (Sawn) 64 TQFP 64 |
| AT32UC3B1128 | 128 | 48 | 60 | 32 | no | 28 | 28 | 0 | 1 | full speed | device | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | no | no | no | no | 6 | 10 | 384 | 0 | no | 0 | 0 | no | 32 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 48 | TQFP 48 VQFN (Punched) 48 |
| AT32UC3A3128 | 128 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3A3128S | 128 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | AES | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3C0128C | 128 | 144 | 66 | -- | no | 123 | 144 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 36 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 20 | no | yes | LQFP144 | |
| AT32UC3C1128C | 128 | 100 | 66 | -- | no | 81 | 100 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 36 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 19 | no | yes | TQFP 100 | |
| AT32UC3C2128C | 128 | 64 | 66 | -- | no | 45 | 64 | 1 | 1 | full speed | device + OTG | 5 | 2 | 4 | 2 | 4 | 1 | 1 | 0 | no | no | no | no | 11 | 12 | 2000 | 2 | no | 2 | 12 | no | 36 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 3 | 13 | 6 | 14 | no | yes | QFN64/TQFP64 | |
| AT32UC3A1256 | 256 | 100 | 66 | 32 | no | 69 | 69 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 64 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 100 | TQFP 100 |
| AT32UC3A0256 | 256 | 144 | 66 | 32 | no | 109 | 109 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 64 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3B0256 | 256 | 64 | 60 | 32 | no | 44 | 44 | 0 | 1 | full speed | device + OTG | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 0 | 0 | no | 32 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | VQFN (Sawn) 64 | VQFN (Sawn) 64 TQFP 64 |
| AT32UC3B1256 | 256 | 48 | 60 | 32 | no | 28 | 28 | 0 | 1 | full speed | device | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | no | no | no | no | 6 | 10 | 384 | 0 | no | 0 | 0 | no | 32 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 48 | TQFP 48 VQFN (Punched) 48 |
| AT32UC3A3256 | 256 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | no | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| Device Click for Data Sheet | Flash (Kbytes) | Pin Count | Max. Operating Frequency | QTouch Channels | Hardware QTouch Acquisition | Max I/O Pins | Ext Interrupts | Quadrature Decoder Channels | USB Transceiver | USB Speed | USB Interface | SPI | TWI | UART | CAN | LIN | SSC | Ethernet | SD / eMMC | Segment LCD | Graphic LCD | Video Decoder | Camera Interface | ADC channels | ADC resolution | ADC speed | Analog Comparators | Resistive Touch Screen | DAC channels | DAC resolution | Temp. Sensor | SRAM (Kbytes) | EEPROM (Bytes) | Self Program Memory | External Bus Interface | DRAM Memory | NAND Interface | picoPower | Temp. Range | I/O Supply Class | FPU | MPU / MMU | Crypto Engine | Timers | Output Compare channels | Input Capture Channels | PWM Channels | 32kHz RTC | Calibrated RC Oscillator | Packages | Green Packages |
| AT32UC3A3256S | 256 | 144 | 66 | 32 | no | 110 | 110 | 0 | 1 | high speed | device + OTG | 6 | 2 | 4 | 0 | 4 | 1 | 0 | 1 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 128 | 0 | yes | 1 | sdram | yes | no | -40 to 85 °C | 3.0 to 3.6 | no | yes / no | AES | 6 | 18 | 12 | 12 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3C0256C | 256 | 144 | 66 | -- | no | 123 | 144 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 68 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 20 | no | yes | LQFP144 | |
| AT32UC3C1256C | 256 | 100 | 66 | -- | no | 81 | 100 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 68 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 19 | no | yes | TQFP 100 | |
| AT32UC3C2256C | 256 | 64 | 66 | -- | no | 45 | 64 | 1 | 1 | full speed | device + OTG | 5 | 2 | 4 | 2 | 4 | 1 | 1 | 0 | no | no | no | no | 11 | 12 | 2000 | 2 | no | 2 | 12 | no | 68 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 3 | 13 | 6 | 14 | no | yes | QFN64/TQFP64 | |
| AT32UC3A0512 | 512 | 144 | 66 | 32 | no | 109 | 109 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 64 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TFBGA 144 | TFBGA 144 LQFP 144 |
| AT32UC3A1512 | 512 | 100 | 66 | 32 | no | 69 | 69 | 0 | 1 | full speed | device + OTG | 6 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 64 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | TQFP 100 | TQFP 100 |
| AT32UC3C1512C | 512 | 100 | 66 | 32 | no | 81 | 100 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 68 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 19 | no | yes | TQFP 100 | |
| AT32UC3C2512C | 512 | 64 | 66 | 32 | no | 45 | 64 | 1 | 1 | full speed | device + OTG | 5 | 2 | 4 | 2 | 4 | 1 | 1 | 0 | no | no | no | no | 11 | 12 | 2000 | 2 | no | 2 | 12 | no | 68 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 3 | 13 | 6 | 14 | no | yes | QFN64/TQFP64 | |
| AT32UC3B0512 | 512 | 64 | 60 | 32 | no | 44 | 44 | 0 | 1 | full speed | device + OTG | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | no | no | no | no | 8 | 10 | 384 | 0 | no | 2 | 16 | no | 96 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | VQFN (Sawn) 64 | VQFN (Sawn) 64 TQFP 64 |
| AT32UC3B1512 | 512 | 48 | 60 | 32 | no | 28 | 28 | 0 | 1 | full speed | device | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | no | no | no | no | 6 | 10 | 384 | 0 | no | 2 | 16 | no | 96 | 0 | yes | 0 | no | no | no | -40 to 85 °C | 3.0 to 3.6 or (1.65 to 1.95 + 3.0 to 3.6) | no | yes / no | no | 10 | 16 | 6 | 13 | no | yes | VQFN (Punched) 48 | VQFN (Punched) 48 |
| AT32UC3C0512C | 512 | 144 | 66 | 32 | no | 123 | 144 | 2 | 1 | full speed | device + OTG | 7 | 3 | 5 | 2 | 5 | 1 | 1 | 0 | no | no | no | no | 16 | 12 | 2000 | 4 | no | 4 | 12 | no | 68 | 0 | yes | 1 | sdram | no | no | -40 to 85 °C | 3.0 to 3.6 or 4.5 to 5.5 | yes | yes / no | no | 6 | 22 | 12 | 20 | no | yes | LQFP144 |