ATSAMD21J18A-AF vs ATSAMD21J17A-AF 对比
详细并排对比 ATSAMD21J18A-AF 出自 Microchip Technology 和 ATSAMD21J17A-AF 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-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-AF ✓ 量产中Microchip Technology
ATSAMD21J17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash, USB | Microchip
ATSAMD21J17A-AF ✓ 量产中规格对比
| 参数 | ATSAMD21J18A-AF | ATSAMD21J17A-AF |
|---|---|---|
| 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） | $2.99 | $2.65 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21J | — |
| 最大时钟频率 | 48 MHz | 48 MHz |
| CoreMark Score | 2.46 CoreMark/MHz | 2.46 CoreMark/MHz (~118 CoreMark) |
| Flash Memory | 256 KB (256K x 8) | 128 KB (with 4 KB RWW) |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.6 V to 3.6 V | — |
| GPIO Count | Up to 52 | — |
| SERCOM Modules | 6 (configurable as UART/SPI/I2C) | 6 (each configurable as I2C/SPI/UART/USART) |
| ADC | 12-bit, up to 350 ksps, hardware oversampling | 12-bit, up to 20 channels, 350 ksps |
| DAC | 12-bit, 1 Msps | 10-bit, 350 ksps |
| Analog Comparators | 2 | — |
| USB | USB 2.0 Full-Speed Device/Host | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| 工作温度 | -40C to +125C (industrial) | — |
| Carrier Type | Tray | — |
| RoHS 状态 | Compliant | Compliant (Pb-free, GREEN per supplier) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| 工作温度范围 | — | -40C to +125C (industrial) |
| 安装类型 | — | Surface Mount (Gull-wing) |
| USB Interface | — | USB 2.0 Full-Speed Device with on-chip transceiver |
| DMA Channels | — | 12 |
| Timers/Counters | — | 8 (TC) plus RTC |
| MSL 等级 | — | 3 (168 hours) |