ATSAMD21J18A-AUT vs ATSAMD21J17A-AUT 对比
详细并排对比 ATSAMD21J18A-AUT 出自 Microchip Technology 和 ATSAMD21J17A-AUT 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-AUT - 32-bit Cortex-M0+ MCU 256KB Flash 64-TQFP | Microchip
ATSAMD21J18A-AUT ✓ 量产中Microchip Technology
ATSAMD21J17A-AUT - SAM D21 Cortex-M0+ 48MHz MCU | Microchip
ATSAMD21J17A-AUT ✓ 量产中规格对比
| 参数 | ATSAMD21J18A-AUT | ATSAMD21J17A-AUT |
|---|---|---|
| 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） | $2.63 | $3.30 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Max CPU Clock | 48 MHz | — |
| Program Memory (Flash) | 256 KB | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| Operating Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| I/O Voltage (VDDIO) | 1.62 V to 3.63 V | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| GPIO Count | 52 | — |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 20 channels |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit, 1 channel |
| Analog Comparators | 2 | — |
| SERCOM | 6 (each configurable as UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | USB 2.0 Full-Speed Device/Host |
| Timers | 6 x 16-bit TC, 1 x 24-bit TCC, 1 x 32-bit RTC | Four 16-bit TCC/TC |
| PTC (Touch Controller) | Yes | — |
| DMA Channels | 12 | — |
| 工作温度 | -40 C to +85 C (industrial, AUT grade) | -40C to +85C (automotive grade) |
| RoHS 状态 | Compliant | Compliant |
| AEC-Q100 | Not qualified (AUT = tape & reel, not automotive grade) | — |
| Lead-Free / Halogen-Free | Yes (Green) | — |
| Series | — | SAM D21 |
| Core Size | — | 32-Bit |
| Maximum CPU Frequency | — | 48 MHz |
| RWW Flash Partition | — | 4 KB |
| Supply Voltage (VDDIN) | — | 1.6 V to 3.6 V |
| 安装类型 | — | Surface Mount |
| Number of I/O | — | 52 (approx.) |
| SERCOM Interfaces | — | 6 (configurable I2C/SPI/UART) |
| RTC | — | 32-bit |
| Peripheral Touch (PTC) | — | Yes |
| Automotive Grade | — | Yes (-AUT suffix) |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |