Research
Product name: Sunplus
SPHE8388
The SoC is very likely the Sunplus SP7201 (
technical documentation).
Sunplus released their framework on Github:
https://github.com/sunplus-plus1/SP7021_4.19
Here's the script that is used to generate the ISPBOOOT.BIN file:
https://github.com/sunplus-plus1/isp...ster/tools/isp
The extraction function in there doesn't work for our unit unfortunately because the signature is different:
Code:
const u08 file_header_signature[] = "Pentagram_ISP_image";
Our unit has the internal codename 'Gemini'.
Warning: Do
NOT use that script without further modification. It will not work and/or brick your unit!
The MCU's CPU is 'STM32F105RB' by ST (
technical documentation).
Internals (PCB)
A Version
Front
Back
B2 Version
Front
Back
