NT98321BG

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NT98321BG is a SoC made by Novatek, this chip is intented to be used on DVRs


SDK

All SDKs and docs: https://drive.google.com/file/d/1hHo7R6QZg4pVAegdWrWi6Kg5OoI4kU3V

Latest SDK only; https://drive.google.com/file/d/1UByHIuTqEv13nmdBWetkyVsv7LR1lR2C/view?usp=sharing

The toolchain didn't come with the SDK, i spent months trying to find it, if anyone ever finds it, PLEASE FOR THE LOVE OF GOD contact @housey2k or discord or github

Firmware modding tools

Hacking tools made by housey2k and firmware info: https://github.com/housey2k/nt98321bg-hack

unpack.sh: unpacks firmware.sh into u-boot, bare metal bootloader, and squashfs partitions

build-img.sh: builds squashfs folder partitions into squashfs files

build-img-breaking.sh: builds everything back into a ready to flash firmware-rebuilt.bin, risks breaking stuff like u-boot log

Hardware info

CPU: ARM Cortex-A9

Arch: ARMv7-A

Word size: 32-bit

FPU: VFP hard-float (EABIhf)

Clock: 1.2GHz (wow, it could do so much but it's closed)

Board specific info, worth mentioning

Memory: DRAM 512MiB

SPI NOR: 16MB

External analog video PHY: NVP6168C (The SDK docs mentions another one that also works but i couldn't find it rn, but it's there)