ATSAMD21G17A-AFT vs ATSAMD21G18A-AFT 对比
详细并排对比 ATSAMD21G17A-AFT 出自 Microchip Technology 和 ATSAMD21G18A-AFT 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
ATSAMD21G17A-AFT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21G17A-AFT ✓ 量产中Microchip Technology
ATSAMD21G18A-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT ✓ 量产中规格对比
| 参数 | ATSAMD21G17A-AFT | ATSAMD21G18A-AFT |
|---|---|---|
| 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） | $3.70 | $2.69 |
| Core Architecture | ARM Cortex-M0+ 32-bit | — |
| CPU Frequency | 48 MHz | — |
| Program Memory (Flash) | 128 KB | — |
| SRAM | 16 KB | 32 KB |
| Operating Voltage Range | 1.6 V to 3.6 V | — |
| 封装 | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| 引脚数量 | 48 | — |
| GPIO Count | 38 | — |
| USB | USB 2.0 Full-Speed, Device/Host, on-chip PHY | USB 2.0 Full-Speed device/host |
| SERCOM | 6 (configurable: I2C/SPI/USART) | — |
| ADC | 12-bit, up to 350 ksps | 12-bit |
| Analog Comparators | 2 | — |
| Timers/Counters | 16-bit TCC, TC, RTC | — |
| 工作温度 | -40C to +125C (industrial grade) | -40 °C to +125 °C |
| DMA Channels | 16 | — |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 256 KB |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| DAC | — | 10-bit |
| 安装类型 | — | Surface Mount |
| Migrates With | — | SAM D20 (drop-in compatible peripheral set) |