ATMEGA32U4 vs ATMEGA32U4-AUR 对比
详细并排对比 ATMEGA32U4 出自 Microchip Technology 和 ATMEGA32U4-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。
规格对比
| 参数 | ATMEGA32U4 | ATMEGA32U4-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） | $3.72 | $5.20 |
| Architecture | AVR enhanced RISC, 8-bit | — |
| Program Memory (Flash) | 32 KB (16K x 16), In-System Programmable | — |
| SRAM | 2.5 KB | 2.5 KB |
| EEPROM | 1 KB | 1 KB |
| General Purpose I/O Lines | 26 | — |
| General Purpose Working Registers | 32 | — |
| 最大时钟频率 | 16 MHz | 16 MHz |
| Throughput | Up to 16 MIPS (1 MIPS per MHz) | 16 MIPS at 16 MHz |
| USB Interface | USB 2.0 full-speed / low-speed device, on-chip transceiver | USB 2.0 full-speed/low-speed device with on-chip transceiver |
| ADC | 12-channel, 10-bit | 12-channel, 10-bit |
| Timer/Counters | 4 flexible + 1 high-speed (compare modes, PWM) | — |
| Communication Interfaces | 1x USART, 1x SPI, 1x I2C (TWI) | — |
| JTAG Interface | Yes (on-chip debug) | — |
| Operating Voltage | 2.7 V to 5.5 V | — |
| 工作温度 | -40 C to +85 C | — |
| 封装 | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| RoHS 状态 | Compliant (per ATMEGA32U4-AU DigiKey listing) | Compliant (lead-free, green) |
| Programming Method | ISP via SPI, JTAG, USB bootloader | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 32 KB (16K x 16), self-programming ISP |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Debug Interface | — | JTAG for on-chip debug |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| 安装类型 | — | Surface Mount |
| Temperature Range | — | Industrial (-40C to +85C) |
| Packaging | — | Tape & Reel (R suffix) |
| Instruction Set | — | AVR |