ATSAMD21G18A-AF vs ATSAMD21G17A-AFT 对比
详细并排对比 ATSAMD21G18A-AF 出自 Microchip Technology 和 ATSAMD21G17A-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
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF ✓ 量产中Microchip Technology
ATSAMD21G17A-AFT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21G17A-AFT ✓ 量产中规格对比
| 参数 | ATSAMD21G18A-AF | ATSAMD21G17A-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） | $3.49 | $3.70 |
| Core | ARM Cortex-M0+ (SAM D21) | — |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | ARM Cortex-M0+ 32-bit |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 16 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| 封装 | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | — |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | USB 2.0 Full-Speed, Device/Host, on-chip PHY |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | — |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | — |
| DMA Channels | 12-channel DMAC | 16 |
| Event System | 12-channel inter-peripheral | — |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | — |
| 工作温度 | -40C to +85C | -40C to +125C (industrial grade) |
| RoHS 状态 | Compliant | Compliant |
| CPU Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 128 KB |
| Operating Voltage Range | — | 1.6 V to 3.6 V |
| 引脚数量 | — | 48 |
| GPIO Count | — | 38 |
| SERCOM | — | 6 (configurable: I2C/SPI/USART) |
| Analog Comparators | — | 2 |
| Timers/Counters | — | 16-bit TCC, TC, RTC |