ISP-IAP API Reinvoke ISP (IAP)

Table 1. ISP-IAP API IAP Reinvoke ISP
Command Compare
Input Command code: 57_ (decimal)
Status code None
Result None.
Description This command is used to invoke the bootloader in ISP mode. It maps boot vectors, sets PCLK = CCLK, and configures USART0 pins U0_RXD and U0_TXD. This command may be used when a valid user program is present in the internal flash memory and the ISP entry pin is not accessible to force the ISP mode.

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