ATSAMD21E17A-MU vs ATSAMD21E18A-MU 对比
详细并排对比 ATSAMD21E17A-MU 出自 Microchip Technology 和 ATSAMD21E18A-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
ATSAMD21E17A-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21E17A-MU ✓ 量产中Microchip Technology
ATSAMD21E18A-MU - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-MU ✓ 量产中规格对比
| 参数 | ATSAMD21E17A-MU | ATSAMD21E18A-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） | $2.18 | $2.27 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ 32-bit |
| Series | SAM D21E (Functional Safety) | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB |
| SRAM | 16 KB | 32 KB |
| Read-While-Write Flash Area | 4 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| GPIO Count | Up to 26 | — |
| USB Interface | USB 2.0 Full-Speed Device with embedded transceiver | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Timer/Counters | Three 16-bit TC | — |
| SERCOM | Up to 6 configurable (I2C/SPI/UART) | — |
| DMAC Channels | 12 | — |
| Event System Channels | 12 | 12 |
| 封装 | 32-VQFN (5x5) with exposed pad | 32-pin VQFN (5x5 mm) with EP |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| Debug Interface | 2-pin Serial Wire Debug (SWD) | — |
| Family | — | SAM D21E (SAMD21E18A) |
| Functional Safety | — | FuSa (IEC 60730 Class B) variant |
| Max CPU Clock | — | 48 MHz |
| CoreMark | — | 2.46 CoreMark/MHz |
| Operating Voltage (VDD) | — | 1.6 V to 3.6 V |
| 引脚数量 | — | 32 |
| Analog Comparators | — | 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 |
| RTC | — | Yes, 32-bit RTC |
| 工作温度 | — | -40 C to +85 C (Industrial) |
| MSL 等级 | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| Bootloader | — | On-chip ROM (UART/USB bootloader) |