树莓派4b的硬件特点[0]

硬件：

1）树莓派4b的datasheet见：

https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/rpi_DATA_2711_1p0_preliminary.pdf

2）BCM2711的datasheet见：

https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/README.md

3）树莓派4b支持的外设扩展卡见：

https://pinout.xyz/boards

4）树莓派4b的经销商见：

参考资料：

1. https://blog.csdn.net/weixuedianzi/article/details/93505853