ATMEGA8U2-AU vs ATMEGA32U2-AU 对比
详细并排对比 ATMEGA8U2-AU 出自 Microchip Technology 和 ATMEGA32U2-AU 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
ATMEGA32U2-AU - 8-bit AVR USB MCU 32KB Flash 16MHz | Microchip
ATMEGA32U2-AU ✓ 量产中规格对比
| 参数 | ATMEGA8U2-AU | ATMEGA32U2-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 8 KB (4K x 16) | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 512 B | 1 KB |
| Maximum CPU Speed | 16 MHz (16 MIPS) | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| USB Interface | USB 2.0 Full-Speed (12 Mbps), on-chip transceiver | — |
| General-Purpose I/O | 22 lines | — |
| Timers/Counters | Two 16-bit, plus watchdog | — |
| PWM Channels | 6 | — |
| ADC | 10-bit | — |
| Communication Peripherals | USB, USART/UART, SPI, TWI (I2C) | — |
| 工作温度 | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| 封装 | 32-pin TQFP (7x7 mm, 0.8 mm pitch) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant (lead-free AU suffix) |
| Lead-Free | Yes | — |
| Core Size | — | 8-bit |
| Max Clock Frequency | — | 16 MHz |
| Flash Memory | — | 32 KB (16K x 16) ISP |
| General Purpose I/O | — | 22 lines |
| Working Registers | — | 32 |
| Timer/Counters | — | 2 |
| USB | — | Full-Speed USB 2.0 device |
| Programmability | — | In-Circuit Serial Programming (ICSP), read-while-write |
| 工作电源电压 | — | [DATA_NEEDED: operating supply voltage range] |
| Debug / Program Interface | — | ICSP via debugWIRE-compatible connector and MPLAB SNAP |