Can we program Sim800?

can program Sim800 and store the framework on it. so at every bootup, it loads all the command.

can use all the GPUs,uart,I2c like a SOC. If it is possible please share some link.

Ref link:-

Its possible if you have the SIM800 Embedded SDK. You can write Embedded AT commands. You need to get it from SIMCOM Official support, its not easily available.