The S3C2410A has 117 multi-functional input/output port pins. The ports are:
— Port A (GPA): 23-output port
— Port B (GPB): 11-input/output port
— Port C (GPC): 16-input/output port
— Port D (GPD): 16-input/output port
— Port E (GPE): 16-input/output port
— Port F (GPF): 8-input/output port
— Port G (GPG): 16-input/output port
— Port H (GPH): 11-input/output port