ATSAMD21-XPRO vs ATSAMD21J18A-CU 对比
详细并排对比 ATSAMD21-XPRO 出自 Microchip Technology 和 ATSAMD21J18A-CU 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
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO ✓ 量产中Microchip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU ✓ 量产中规格对比
| 参数 | ATSAMD21-XPRO | ATSAMD21J18A-CU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Development Boards | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $36.25 | $2.52 |
| Product Type | Evaluation Board (Xplained Pro) | — |
| Target MCU | ATSAMD21J18A | — |
| Core Processor | ARM Cortex-M0+ 32-bit | — |
| CPU Max Frequency | 48 MHz | — |
| Flash Memory (on-chip) | 256 KB | — |
| SRAM | 32 KB | 32 KB |
| On-board SPI Flash | 1 MB | — |
| Low-frequency Crystal | 32.768 kHz | — |
| High-frequency Crystal | 12 MHz | — |
| Debug Interface | nEDBG (CMSIS-DAP) on-board | — |
| USB Connectors | 1x Micro-B (debug/CDC), 1x Micro-B (target) | — |
| Extension Headers | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) | — |
| User Inputs | 1x mechanical reset button, 1x user touch button | — |
| User Outputs | 1x user LED | — |
| Arduino-compatible Headers | Yes (subset of ATSAMD21J18A I/O) | — |
| Operating Voltage (target) | 3.3 V | — |
| Board Power Source | USB Micro-B | — |
| Supported IDEs | MPLAB X IDE, Atmel Studio 7, Atmel START | — |
| RoHS 状态 | Compliant | Compliant (GREEN) |
| Form Factor | Xplained Pro standard (approx 88 mm x 53 mm) | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 256 KB |
| Operating Voltage | — | 1.62 V to 3.6 V |
| 封装 | — | 64-ball UFBGA (CU), 5x5 mm |
| SERCOM Channels | — | 6 (configurable as UART/SPI/I2C) |
| USB | — | USB 2.0 Full-Speed Device with on-chip PHY |
| ADC | — | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | — | 10-bit, 1 channel |
| Timers/Counters | — | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | — | Up to 52 GPIO (depending on package) |
| 工作温度 | — | -40C to +85C (Industrial / GREEN) |
| On-chip Oscillator | — | 48 MHz DFLL48M with PLL |
| 安装类型 | — | Surface Mount (BGA) |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |