ATSAMD20J18A-MNT vs ATSAMD20E18A-MNT 对比
详细并排对比 ATSAMD20J18A-MNT 出自 Microchip Technology 和 ATSAMD20E18A-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
ATSAMD20J18A-MNT - 48MHz Cortex-M0+ MCU, 256KB Flash, 64-QFN
ATSAMD20J18A-MNT ✓ 量产中Microchip Technology
ATSAMD20E18A-MNT - 256KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD20E18A-MNT ✓ 量产中规格对比
| 参数 | ATSAMD20J18A-MNT | ATSAMD20E18A-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） | $3.41 | $2.48 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Flash Program Memory | 256 KB | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| 工作温度范围 | -40 °C to +105 °C | — |
| 封装 | 64-pin QFN (9x9 mm, MNT suffix = Tape and Reel) | 32-pin VQFN (5x5 mm) with exposed pad |
| SERCOM Channels (configurable I²C/SPI/UART) | 6 | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 1 channel, 350 ksps | 10-bit, 1 channel |
| 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 | — |
| 安装类型 | Surface Mount | — |
| Debug Interface | SWD (2-wire) + cJTAG | Serial Wire Debug (SWD) |
| RoHS 状态 | Compliant | Compliant |
| CoreMark/MHz | — | 2.14 |
| Program Flash Memory | — | 256 KB |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| GPIO Count | — | 26 (varies by package) |
| Communication Interfaces | — | 6x SERCOM (configurable I2C/SPI/UART), I2S |
| USB | — | USB 2.0 Full-Speed Device |
| Touch Controller | — | 256-channel Peripheral Touch Controller (PTC) |
| Timers | — | 16-bit TC x3, 32-bit TCC x2, RTC |
| 工作温度 | — | -40C to +105C |
| Memory Protection Unit | — | Yes (8 regions) |