samsung S3C72K8/P72K8 handbook(1)
Datasheet
The S3C72K8/P72K8 is a single-chip CMOS microcontroller designed for high performance using Samsung's newest 4-bit CPU core, SAM48. It features two comparators, up to 320-dot LCD direct drive capability, 8-bit timer/counter, watchdog timer and serial I/O, making it an excellent design solution for a wide variety of applications which require LCD functions.
