ATSAMD21G16B-MUT vs ATSAMD20G16B-MUT 对比
详细并排对比 ATSAMD21G16B-MUT 出自 Microchip Technology 和 ATSAMD20G16B-MUT 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
ATSAMD21G16B-MUT - 48MHz Cortex-M0+ MCU 64KB | 48-QFN | Microchip
ATSAMD21G16B-MUT ✓ 量产中Microchip Technology
ATSAMD20G16B-MUT - 32-bit Cortex-M0+ MCU, 64KB Flash, 48-QFN | Microchip
ATSAMD20G16B-MUT ✓ 量产中规格对比
| 参数 | ATSAMD21G16B-MUT | ATSAMD20G16B-MUT |
|---|---|---|
| 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） | $2.05 | $2.78 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21G | SAM D20G |
| Silicon Revision | B (second-generation) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark Score | 2.46 CoreMark/MHz | — |
| Program Flash | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 8 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| 工作温度 | -40C to +85C (industrial) | -40 C to +85 C (Industrial) |
| 封装 | 48-pin QFN (7x7 mm) with exposed pad | 48-pin QFN (7x7 mm) |
| I/O Pins | 38 GPIO | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 350 ksps, up to 20 channels |
| DAC | 10-bit | 10-bit, 350 ksps |
| Communication | Up to 6 SERCOM (UART/SPI/I2C) | — |
| USB | Full-Speed USB 2.0 Device with embedded PHY | Full-Speed USB 2.0 Device (requires external 48 MHz clock) |
| Debug Interface | Serial Wire Debug (SWD), Micro Trace Buffer | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Flash Memory | — | 64 KB (64K x 8) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Touch Channels (PTC) | — | 256 channels |
| SERCOM Modules | — | 6 (configurable as USART/SPI/I2C) |
| RTC | — | Yes, 32.768 kHz external crystal support |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |