Bouffalo ISP Protocol V1

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This page describes Bouffalo ISP Protocol V1, which is ISP protocol used to run images, write images to Flash or program fuses via UART, USB, SDIO or JTAG.

It is integrated in BL602, BL702, BL808 and BL616 series of chips, although, every series have some improvements to this protocol.

List of available interfaces for specific chips:

Chip UART USB SDIO JTAG
BL602 Series Yes no Yes ?
BL702 Series Yes Yes No ?
BL808C Yes Broken ? ?
BL808D Yes N/A ? ?
BL606P Yes ? ? ?
BL616 Series Yes Yes ? ?

Handshake