RP2040 芯片是 7×7mm QFN-56 封装的，具体规格参数如下： 双核 Arm Cortex-M0 + @ 133MHz 芯片内置 264KB SRAM 和 2MB 的板载闪存 通过专用 QSPI 总线支持最高 16MB 的片外闪存 DMA 控制器 30 个 GPIO 引脚，其中 4 个可用作模拟输入 2 个 UART、2 个 SPI 控制器和 2 个 I2C 控制器 16 个 PWM ...

起因是群里面有个大哥，发了一个链接。 说树莓派进军单片机了，我心想又收税来了。 就没有在意，后来就去查了一下，然后点错了，看个了pico电脑，复杂指令集的。 然后大哥又发一个价格，35块钱~我认为这个东西还算便宜，有起哄的，抬杠的。 那你不买便是。

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