ATSAMD21J17D-MU vs ATSAMD20J18A-MNT 对比
详细并排对比 ATSAMD21J17D-MU 出自 Microchip Technology 和 ATSAMD20J18A-MNT 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
ATSAMD21J17D-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21J17D-MU ✓ 量产中Microchip Technology
ATSAMD20J18A-MNT - 48MHz Cortex-M0+ MCU, 256KB Flash, 64-QFN
ATSAMD20J18A-MNT ✓ 量产中规格对比
| 参数 | ATSAMD21J17D-MU | ATSAMD20J18A-MNT |
|---|---|---|
| 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） | $2.21 | $3.41 |
| Core | ARM Cortex-M0+ (SAM D21J family) | — |
| CPU Bit Width | 32-bit | — |
| Maximum CPU Clock | 48 MHz | — |
| Program Memory (Flash) | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB |
| RWW Flash Section | 4 KB | — |
| Supply Voltage (Vdd) | 1.62 V to 3.63 V | — |
| 工作温度 | -40C to +85C (Industrial) | — |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel, 350 ksps |
| SERCOM Modules | 6 (configurable as UART/SPI/I2C) | — |
| Timers/Counters | 6 x 16-bit TC, plus 32-bit RTC | — |
| PTC (Touch) | Peripheral Touch Controller supported | — |
| I/O Pins | 52 programmable GPIO | — |
| 封装 | 64-QFN (9x9 mm) with Exposed Pad | 64-pin QFN (9x9 mm, MNT suffix = Tape and Reel) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| Flash Program Memory | — | 256 KB |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| 工作温度范围 | — | -40 °C to +105 °C |
| SERCOM Channels (configurable I²C/SPI/UART) | — | 6 |
| PWM Timers (16-bit TCC) | — | 3 |
| Peripheral Touch Controller (PTC) | — | 256 channels |
| RTC | — | Yes, 32 kHz domain |
| CoreMark Score | — | 2.14 CoreMark/MHz (per datasheet) |
| 引脚数量 | — | 64 |
| Debug Interface | — | SWD (2-wire) + cJTAG |