| Part Number | ATXMEGA32A4-AU | ATXMEGA32A4-CU | 
|---|---|---|
| Manufacturer | Microchip Technology | Atmel | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | AVR | AVR | 
| Core Size | 8/16-Bit | 8/16-Bit | 
| Speed | 32MHz | 32MHz | 
| Connectivity | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 
| Number of I/O | 34 | 34 | 
| Program Memory Size | 32KB (16K x 16) | 32KB (16K x 16) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | 1K x 8 | 1K x 8 | 
| RAM Size | 4K x 8 | 4K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 
| Data Converters | A/D 12x12b; D/A 2x12b | A/D 12x12b; D/A 2x12b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-TQFP | 49-VFBGA | 
| Supplier Device Package | 44-TQFP (10x10) | 49-VFBGA (5x5) |