| Series | AVR®32 UC3 A4 |
| Package | Tape & Reel (TR)Cut Tape (CT)Digi-Reel® |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 32-Bit |
| Speed | 66MHz |
| Connectivity | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT |
| Number of I/O | 88 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 128K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.75V ~ 3.6V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 100-VFBGA |
| Supplier Device Package | 100-VFBGA (7x7) |
