ATXMEGA64B3-MH vs ATXMEGA64A3-AU Comparison
Detailed side-by-side comparison of ATXMEGA64B3-MH by Microchip Technology and ATXMEGA64A3-AU 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
ATXMEGA64B3-MH - 32MHz 64KB AVR Microcontroller | Microchip
ATXMEGA64B3-MH ✓ ActiveMicrochip Technology
ATXMEGA64A3-AU - 64KB Flash AVR XMEGA A3 MCU 32MHz TQFP-64 | Microchip
ATXMEGA64A3-AU ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA64B3-MH | ATXMEGA64A3-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8/16-bit AVR XMEGA B3 microcontroller | — |
| Maximum Clock Frequency | 32 MHz | — |
| Maximum Throughput | 32 MIPS at 32 MHz | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| Self-Programming Flash | 64 KB | — |
| Boot Code Section | 4 KB | 4 KB |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | 2 KB |
| DMA Controller | 2 channels | — |
| Event System | 4 channels | — |
| USB Interface | USB Full-Speed Device | — |
| LCD Controller | 4x25 segment LCD controller | — |
| Supply Voltage | 1.6 V to 3.6 V | — |
| Package | 64-QFN (9x9 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Qualification Status | Green | — |
| Core Architecture | — | AVR XMEGA (8/16-bit RISC) |
| Family | — | XMEGA A3 |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Data SRAM | — | 4 KB |
| Maximum CPU Speed | — | 32 MHz (32 MIPS) |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| General-Purpose I/O Pins | — | 50 |
| Timer/Counters | — | 7 x 16-bit with PWM and compare modes |
| USART | — | 7 |
| SPI | — | 2 |
| TWI (I2C) | — | 2 |
| ADC | — | 12-bit |
| DAC | — | 12-bit |
| DMA Channels | — | 4 |
| Event System Channels | — | 8 |
| Real-Time Counter (RTC) | — | 16-bit |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| RoHS Status | — | Compliant |