ISP is the acronym of In-System Programming, which makes it possible that the user can update the program memory under the app control without removing the mounted MCU chip from the actual end product. Nuvoton provides an ISP solution through the USB or COM port of a host PC. As long as the Nuvoton standard ISP code is programmed in LDROM and the configuration bit „CBS‟ is configured as Boot from LDROM, the user can easily use the ISP function to update the MCU‟s APROM and DataFlash, and even the configuration bits.
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