ATXMEGA256A3BU-MH vs ATXMEGA256C3-MH Comparison
Detailed side-by-side comparison of ATXMEGA256A3BU-MH by Microchip Technology and ATXMEGA256C3-MH 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
ATXMEGA256A3BU-MH - 256KB Flash 32MHz AVR XMEGA MCU | Microchip
ATXMEGA256A3BU-MH ✓ ActiveMicrochip Technology
ATXMEGA256C3-MH - 256KB Flash 32MHz XMEGA C3 MCU | Microchip
ATXMEGA256C3-MH ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA256A3BU-MH | ATXMEGA256C3-MH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.55 | $4.68 |
| Core Architecture | AVR XMEGA (8/16-bit RISC) | — |
| Family | AVR XMEGA A3BU | — |
| Program Memory (Flash) | 256 KB (128K x16) | — |
| Boot Code Section | 8 KB | — |
| SRAM | 16 KB | 16 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum CPU Speed | 32 MHz | — |
| Supply Voltage (VCC) | 2.7 V to 3.6 V | — |
| I/O Pins | 34 | — |
| ADC | Dual 12-bit, up to 2 Msps | 12-bit, up to 2 MSPS |
| DAC | 2 x 12-bit | 12-bit, up to 1 MSPS |
| DMA Channels | 4 | 4 |
| Event System Channels | 8 | — |
| RTC | 32-bit RTC with Battery Backup (VBAT) | — |
| Crypto Engine | AES / DES | — |
| Package | 64-pin QFN (9x9 mm), 0.5 mm pitch | 64-pin QFN (9x9 mm) with exposed pad |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS | Compliant | — |
| Programming/Debug | PDI (Programming and Debug Interface) | — |
| Core | — | AVR (8/16-bit) |
| Series | — | AVR XMEGA C3 |
| CPU Speed | — | 32 MHz |
| Flash Memory | — | 256 KB (128K x 16), with 8 KB boot section |
| Supply Voltage | — | 1.6 V to 3.6 V |
| GPIO Pins | — | 50 |
| Communication Interfaces | — | USART, SPI, TWI (I2C), USB Device |
| Timers | — | 5 x 16-bit Timer/Counter with capture/compare/PWM |
| Event System | — | 4 channels |
| Cryptography | — | AES/DES engine |
| RoHS Status | — | Compliant |