ATMEGA32U4-AU vs ATXMEGA16A4U-AUR 对比
详细并排对比 ATMEGA32U4-AU 出自 Microchip Technology 和 ATXMEGA16A4U-AUR 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA32U4-AU - 8-bit AVR MCU, 16MHz, 32KB Flash, USB | Microchip
ATMEGA32U4-AU ✓ 量产中Microchip Technology
ATXMEGA16A4U-AUR - 16KB Flash 32MHz 8/16-bit AVR XMEGA MCU | Microchip
ATXMEGA16A4U-AUR ✓ 量产中规格对比
| 参数 | ATMEGA32U4-AU | ATXMEGA16A4U-AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.25 | $4.10 |
| Core Architecture | 8-bit AVR RISC | 8/16-bit AVR XMEGA RISC |
| CPU Speed | 16 MHz | — |
| Throughput | 16 MIPS at 16 MHz | — |
| Flash Program Memory | 32 KB (16K x 16) | — |
| SRAM | 2.5 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| 电源电压 | 2.7 V to 5.5 V (verified 4.5-5.5V in some sources; full range per datasheet) | — |
| I/O Pins | 32 programmable | — |
| USB | USB 2.0 full-speed / low-speed device, on-chip transceiver | — |
| ADC | 12-channel, 10-bit | 12-bit, 1 MSPS |
| Timers | 4 (2x 8-bit, 2x 16-bit) | — |
| Communication | USB, USART, SPI, TWI (I2C) | — |
| Debug Interface | JTAG / debugWIRE | — |
| 封装 | 44-pin TQFP (10x10 mm, 0.8 mm pitch) | 44-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C (industrial) | — |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| RoHS 状态 | Compliant | Compliant |
| Core Series | — | XMEGA A4U |
| Program Memory (Flash) | — | 16 KB (8K x 16) |
| Boot Code Section | — | 4 KB with Independent Lock Bits |
| Maximum CPU Speed | — | 32 MHz (up to 32 MIPS) |
| Operating Voltage | — | 1.6 V to 3.6 V |
| Operating Temperature (Industrial) | — | -40C to +85C |
| USB Interface | — | USB 2.0 Full-Speed (12 Mbps) Device/Host/OTG |
| DMA Channels | — | 4 |
| Event System Channels | — | 8 |
| DAC | — | 12-bit, 1 MSPS |
| USART | — | 4 channels |
| TWI (I2C) | — | 2 channels |
| SPI | — | 2 channels |
| Crypto Accelerator | — | AES and DES |
| External Bus Interface | — | Yes (SRAM, SDRAM, NAND) |
| Packaging | — | Tape & Reel (AUR) |