ATSAMD21G15B-AU vs ATSAMD20G15A-AU 对比
详细并排对比 ATSAMD21G15B-AU 出自 Microchip Technology 和 ATSAMD20G15A-AU 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
ATSAMD21G15B-AU - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21G15B-AU ✓ 量产中Microchip Technology
ATSAMD20G15A-AU - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD20G15A-AU ✓ 量产中规格对比
| 参数 | ATSAMD21G15B-AU | ATSAMD20G15A-AU |
|---|---|---|
| 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） | $1.65 | $2.49 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 4 KB |
| 封装 | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| 工作温度 | -40C to +85C (Industrial) | — |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| GPIO | Up to 38 (5 V tolerant inputs) | — |
| ADC | 12-bit, up to 350 ksps, 14 channels | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit |
| USB | USB 2.0 Full-Speed Device, integrated transceiver | USB 2.0 Full-Speed Device |
| SERCOM | 6 (configurable UART/SPI/I2C/I2S) | — |
| Timer/Counters | 6 x 16-bit TC, 1 x 24-bit TCC | — |
| DMA Channels | 12 | — |
| Event System Channels | 12 | — |
| RTC | Yes, 32 kHz domain | — |
| Analog Comparators | 2 | — |
| Oscillator | Internal 8 MHz + DFLL48M + FDPLL96M | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| RoHS 状态 | Compliant (Green) | Compliant |
| Manufacturer | — | Microchip Technology (formerly Atmel) |
| Series | — | SAM D20 |
| Maximum CPU Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 32 KB |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| GPIO Count | — | 38 (max) |
| Serial Interfaces (SERCOM) | — | Up to 6 configurable (USART/SPI/I2C) |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| 安装类型 | — | Surface Mount |