Does this help?
from Ender-3V3 SE Motherboard 32-bit Mainboard Replacement B6E4 | eBay
“Motherboard version number: CR4NS200320C13
Driver model: MS35774
Main chip model: GD303RET6
Main control digits: 32 Bit”
Does this help?
from Ender-3V3 SE Motherboard 32-bit Mainboard Replacement B6E4 | eBay
“Motherboard version number: CR4NS200320C13
Driver model: MS35774
Main chip model: GD303RET6
Main control digits: 32 Bit”