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iWR1843自研电路板晶振不起振，请问自行购买的IWR1843是否自带有官方的bootloader，bootloader中是否驱动外部40MHz晶振。对于晶振不起振，尝试了调节负载电容，均不起振。不知还有没有办法。
请问烧录的串口是否需要上下拉？
请按照下面的datasheet里的公式调节一下负载电容，如果还是不起振，建议联系晶体厂家。Table 5-5. Crystal Electrical Characteristics (Oscillator Mode)https://www.ti.com/lit/ds/symlink/iwr1843.pdf
请问是想了解和uniflash的通信协议吗？uniflash的源码没有公开。
