ATSAMD21G17A-AUT vs ATSAMD20J18A-AUT 对比
详细并排对比 ATSAMD21G17A-AUT 出自 Microchip Technology 和 ATSAMD20J18A-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
ATSAMD21G17A-AUT - 128KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMD21G17A-AUT ✓ 量产中Microchip Technology
ATSAMD20J18A-AUT - ARM Cortex-M0+ 48MHz 256KB Flash MCU | Microchip
ATSAMD20J18A-AUT ✓ 量产中规格对比
| 参数 | ATSAMD21G17A-AUT | ATSAMD20J18A-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） | $3.41 | $2.78 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| 最大时钟频率 | 48 MHz | — |
| Flash Memory | 128 KB | 256 KB |
| SRAM | 16 KB | 32 KB |
| Read-While-Write Partition | 4 KB RWW | — |
| 电源电压 | 1.62 V to 3.63 V | — |
| 工作温度 | -40C to +125C (Automotive Grade) | -40C to +85C (industrial) |
| 封装 | 48-pin TQFP (7x7 mm) | 64-LQFP (10x10 mm) |
| USB Interface | USB 2.0 Full-Speed, integrated transceiver | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 16 channels |
| DAC | 10-bit | 10-bit |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | 6 (each configures UART/SPI/I2C) |
| Timer/Counters | TC modules with PWM | — |
| Event System | Yes (peripheral-to-peripheral signalling) | — |
| 引脚数量 | 48 | 64 |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Family | — | SAM D20 |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark/MHz | — | 2.14 |
| Operating Voltage | — | 1.62 V to 3.63 V |
| USB | — | Full-Speed USB Device |
| DMAC Channels | — | 4 |
| GPIOs | — | [DATA_NEEDED: GPIO count for 64-pin LQFP variant] |