ATSAMD21J18A-AU vs ATSAMD20J17A-AU 对比
详细并排对比 ATSAMD21J18A-AU 出自 Microchip Technology 和 ATSAMD20J17A-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
ATSAMD21J18A-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU ✓ 量产中Microchip Technology
ATSAMD20J17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD20J17A-AU ✓ 量产中规格对比
| 参数 | ATSAMD21J18A-AU | ATSAMD20J17A-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） | $2.69 | $2.05 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ 32-bit |
| Family | SAM D21J | — |
| 最大时钟频率 | 48 MHz | 48 MHz |
| Flash Memory | 256 KB | 128 KB |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| GPIO Count | 52 (maximum) | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 工作温度范围 | -40C to +85C (industrial) | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 2x 12-bit | 10-bit, 350 ksps |
| USB | Full-Speed USB 2.0 Device & Host | Full-Speed USB 2.0 Device with on-chip PHY |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| CoreMark/MHz | 2.46 | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| Carrier Type (suffix AU) | Tray | — |
| Supply Voltage (VDDIN) | — | 1.62 V to 3.63 V |
| 工作温度 | — | -40 C to +85 C (Industrial) |
| SERCOM | — | 6 instances, each configurable as UART/SPI/I2C |
| I/O Pins | — | 52 GPIO (varies by package) |
| Analog Comparators | — | 2 |
| Timers/Counters | — | TC x6 + TCC x2 + RTC x1 + WDT x1 |
| DMA Channels | — | 12 |
| 安装类型 | — | Surface Mount |
| Lead-Free / Halogen-Free | — | Yes |