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 | ? | ? |
Getting into ISP/BootROM mode
 | Currently the BootROM is not explored enough, to know how exactly the boot process works within it, although, we will describe here already known and tested boot flows. |