产品概览
The ATSAMD21J18A-AU from Microchip (formerly Atmel) is an ARM Cortex-M0+ microcontroller running at 48MHz with 256KB Flash and 32KB SRAM. It features 8 configurable SERCOM modules, USB 2.0, 12-bit ADC with 20 channels, and a 10-bit DAC, packaged in a TQFP-64 (10x10mm) footprint.
主要规格
| 核心 | ARM Cortex-M0+ @ 48MHz |
| 闪光灯 | 256KB |
| SRAM | 32KB |
| Serial (SERCOM) | 8 (configurable as UART/SPI/I2C) |
| USB | 1x USB 2.0 Full-Speed |
| ADC | 1x 12-bit, 20 channels |
| 发援会 | 1x 10-bit |
| 计时器 | 6x TC, 3x TCC (PWM) |
| 电源电压 | 1.62V – 3.63V |
| 工作温度 | -40°C to +85°C (AU suffix) |
| 包装 | TQFP-64 (10x10mm) |
特点
- Low-power ARM Cortex-M0+ core with single-cycle hardware multiplier
- 8 SERCOM modules with flexible UART/SPI/I2C configuration
- USB 2.0 Full-Speed device with integrated PHY
- 12-bit ADC up to 1MSPS with 20 input channels
- Event system for peripheral interconnect without CPU intervention
- DMA controller for efficient data transfer
应用
- IoT sensor nodes and edge devices
- USB peripherals and human interface devices
- Wearable electronics and health monitors
- Arduino and maker platform development