ATSAMD21G18A-MF vs ATSAMD21G17A-MF 对比
详细并排对比 ATSAMD21G18A-MF 出自 Microchip Technology 和 ATSAMD21G17A-MF 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-MF - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21G18A-MF ✓ 量产中Microchip Technology
ATSAMD21G17A-MF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21G17A-MF ✓ 量产中规格对比
| 参数 | ATSAMD21G18A-MF | ATSAMD21G17A-MF |
|---|---|---|
| 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） | $2.61 | $2.75 |
| Core | ARM Cortex-M0+ (ARMv6-M) | — |
| Maximum CPU Clock | 48 MHz | — |
| CoreMark Performance | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB | 128 KB (128K x 8) with 4 KB RWW section |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| 工作温度范围 | -40 C to +125 C (industrial) | — |
| ADC | 12-bit, 12 channels, up to 350 ksps | 12-bit, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| SERCOM Channels | 6 (configurable as UART/SPI/I2C) | — |
| I2S Interfaces | 2 | — |
| USB Interface | USB 2.0 Full-Speed device/host/OTG | — |
| Timers/Counters | 8 (including 24-bit TCC) | TC (16-bit), TCC (24-bit), RTC 32.768 kHz |
| 封装 | 48-pin QFN (7x7 mm) with exposed pad | 48-pin QFN (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (32-bit RISC) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 CoreMark/MHz |
| Supply Voltage (VDDIN) | — | 1.62 V to 3.63 V |
| 工作温度 | — | -40C to +125C (industrial grade) |
| I/O Pins | — | 38 GPIO |
| USB | — | USB 2.0 Full-Speed device and host |
| SERCOM Modules | — | Up to 6 (UART/SPI/I2C configurable) |
| Peripheral Touch Controller (PTC) | — | Yes, capacitive touch support |
| DMA | — | 12-channel DMA |
| Debug Interface | — | ARM SWD (2-wire) |