ATMEGA8U2-MU vs ATMEGA32U2-MU 对比
详细并排对比 ATMEGA8U2-MU 出自 Microchip Technology 和 ATMEGA32U2-MU 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
ATMEGA8U2-MU - 8KB Flash 16MHz AVR USB MCU | Microchip (Tape & Reel)
ATMEGA8U2-MU ✓ 量产中Microchip Technology
ATMEGA32U2-MU - 8-bit AVR USB MCU 16MHz 32KB Flash | Microchip
ATMEGA32U2-MU ✓ 量产中规格对比
| 参数 | ATMEGA8U2-MU | ATMEGA32U2-MU |
|---|---|---|
| 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） | $1.94 | $3.10 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| 最大时钟频率 | 16 MHz | — |
| Program Memory Size | 8 KB (4K x 16) FLASH | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 512 B | — |
| Connectivity | SPI, UART/USART, USB | — |
| Number of I/O | 22 | — |
| USB Controller | Full-speed USB 2.0 device | USB 2.0 Full-Speed Device, 32 endpoints, hardware flow control |
| Timers/Counters | 2 (with compare modes and PWM) | — |
| Watchdog Timer | Yes (programmable) | Programmable, with internal oscillator |
| 电源电压 | [DATA_NEEDED: supply voltage range] | 2.7 V to 5.5 V (4.5 V to 5.5 V for 16 MHz full-speed USB) |
| 数据总线宽度 | 8 bit | — |
| 封装 | 32-VFQFN (5x5 mm) Exposed Pad | 32-pin VQFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Maximum Clock Speed | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Program Flash Memory | — | 32 KB (16K x 16), ISP read-while-write |
| EEPROM | — | 1 KB |
| SRAM | — | 1 KB |
| General-Purpose I/O Lines | — | 22 |
| General-Purpose Working Registers | — | 32 |
| Timer/Counters | — | 2 (8-bit or 16-bit, with PWM and compare modes) |
| Serial Interfaces | — | USART, SPI |