ATXMEGA32A4-AU vs ATXMEGA128A4U-AUR Comparison
Detailed side-by-side comparison of ATXMEGA32A4-AU by Microchip Technology and ATXMEGA128A4U-AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATXMEGA32A4-AU - 32KB Flash 32MHz 8/16-bit AVR XMEGA MCU
ATXMEGA32A4-AU ✓ ActiveMicrochip Technology
ATXMEGA128A4U-AUR - 8/16-bit AVR XMEGA MCU, 128KB Flash, 44-TQFP | Microchip
ATXMEGA128A4U-AUR ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA32A4-AU | ATXMEGA128A4U-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $5.45 |
| Core | AVR XMEGA A4 | — |
| CPU Architecture | 8/16-bit RISC | — |
| Program Memory (Flash) | 32 KB (16K x 16) | 128 KB (64K x 16) |
| Boot Code Section | 4 KB | 4 KB |
| SRAM | 4 KB | 8 KB |
| EEPROM | 1 KB | 2 KB (2048 bytes) |
| Maximum Clock Frequency | 32 MHz | — |
| MIPS Throughput | 32 MIPS | — |
| Operating Voltage Range | 1.6 V to 3.6 V | — |
| I/O Pins | 34 | — |
| DMA Channels | 4 | 4 |
| Event System Channels | 8 | 8 |
| 16-bit Timer/Counters | 5 | — |
| USART | 5 | — |
| SPI | 2 | — |
| TWI (I2C) | 2 | — |
| ADC | 12-bit, 12-channel | — |
| Real-Time Counter | 16-bit | — |
| External Bus Interface | Yes | Yes |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | AVR XMEGA 8/16-bit RISC |
| Family | — | ATxmega A4U |
| Maximum CPU Speed | — | 32 MHz |
| Throughput | — | 32 MIPS |
| Operating Voltage | — | 1.6 V to 3.6 V |
| ADC Resolution | — | 12-bit |
| DAC Resolution | — | 12-bit |
| USB Interface | — | USB 2.0 Full-Speed Device/Host |
| Operating Temperature | — | -40C to +85C (Industrial) |
| MSL Level | — | 3 (168 hours) |