bootloader download problem

darkhanyi

Is there any other way to burn the bootloader into NAND flash besides JTAG?

I use a notebook without a serial port or a parallel port. I used USB to transfer a RS232 port, but there is still no parallel port, so JTAG is not available.

最帅的兽人

Use isp to download, but you must use the serial port. Otherwise, you can use iap, but you can’t download bootload. I know these three methods.

wizardjinx

Iap can be downloaded, but it must be confirmed that there is already a program that can be programmed in the application to execute