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CC2642R: CC2642 SBL CRC 命令格式

Part Number: CC2642R

CC2642 SBL CRC格式咨询:

我看CC26X2的 Datasheet (swcu185d.pdf)写的是 COMMAND_DOWNLOAD_CRC + Address + Size + CRC 。 但是我在 “Serial Bootloader Interface” 文档(swra466d.pdf)看到的CRC命令格式是COMMAND_CRC + Address + Size + Repeat  Count 。 请问CC2642的SBL 是按照哪种格式?

另外,在刷写是是线Send Data 再 发送CRC命令校验CRC,还是先发送继续写入数据的CRC,再发送Send Data指令? Datasheet描述是线发送CRC命令,再发送Send Data将数据写入到Flash,如下图: