ATSAMD21J18A-MF vs ATSAMD21J17A-MF 对比
详细并排对比 ATSAMD21J18A-MF 出自 Microchip Technology 和 ATSAMD21J17A-MF 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
ATSAMD21J18A-MF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-MF ✓ 量产中Microchip Technology
ATSAMD21J17A-MF - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21J17A-MF ✓ 量产中规格对比
| 参数 | ATSAMD21J18A-MF | ATSAMD21J17A-MF |
|---|---|---|
| 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） | $3.60 | $2.41 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark/MHz | 2.46 | — |
| Program Flash | 256 KB | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| 电源电压 | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| 封装 | 64-pin QFN (9x9 mm) | 64-pin QFN (9x9 mm) with exposed pad |
| ADC | 12-bit, up to 20 channels, 350 kSPS | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 kSPS | 10-bit, 350 ksps |
| USB | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed Device/Host with on-chip transceiver |
| SERCOM | 6 (configurable UART/SPI/I2C) | — |
| GPIO | Up to 52 | — |
| 工作温度 | -40C to +125C | -40C to +125C (industrial) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant (Green) |
| Family | — | SAM D21J (Functional Safety / FuSa) |
| Read-While-Write Flash Region | — | 4 KB |
| SERCOM Channels | — | 6 (configurable I2C/SPI/UART) |
| AEC-Q100 | — | Qualified (automotive grade per distributor listings) |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |
| DMA Channels | — | 12 |