ATSAMD21E18A-MU vs ATSAMD21E15B-AU 对比
详细并排对比 ATSAMD21E18A-MU 出自 Microchip Technology 和 ATSAMD21E15B-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
ATSAMD21E18A-MU - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-MU ✓ 量产中Microchip Technology
ATSAMD21E15B-AU - 32KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21E15B-AU ✓ 量产中规格对比
| 参数 | ATSAMD21E18A-MU | ATSAMD21E15B-AU |
|---|---|---|
| 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） | $2.27 | $1.45 |
| Core | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21E (SAMD21E18A) | — |
| Functional Safety | FuSa (IEC 60730 Class B) variant | — |
| Max CPU Clock | 48 MHz | — |
| CoreMark | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB | 32 KB |
| SRAM | 32 KB | 4 KB |
| Operating Voltage (VDD) | 1.6 V to 3.6 V | — |
| 封装 | 32-pin VQFN (5x5 mm) with EP | 32-pin TQFP |
| 引脚数量 | 32 | — |
| 安装类型 | Surface Mount | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Analog Comparators | 2 | 2 |
| SERCOM Channels | Up to 6 (UART/SPI/I2C configurable) | — |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | — |
| PTC (Touch) | Up to 256 channels (Peripheral Touch Controller) | — |
| DMA Channels | 24 | — |
| Event System Channels | 12 | — |
| RTC | Yes, 32-bit RTC | Yes (32.768 kHz) |
| 工作温度 | -40 C to +85 C (Industrial) | -40 °C to +85 °C (industrial) |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Bootloader | On-chip ROM (UART/USB bootloader) | — |
| 最大时钟频率 | — | 48 MHz |
| 电源电压 | — | 1.62 V to 3.6 V (3.3 V nominal) |
| GPIO Count | — | Up to 26 |
| SERCOM | — | 6 configurable (UART/SPI/I²C) |
| Timers/Counters | — | TC x6, TCC x2 |
| Programming Interface | — | Serial Wire Debug (SWD) |