samsung S3C7044/C7048/P7048 handbook(1)

The S3C7044/C7048 is a single-chip CMOS microcontroller designed for very high-performance using Samsung's newest 4-bit CPU core, SAM47. It features 512×4-bit RAM, 4096×8-bit ROM (S3C7044) or 8192×8-bit ROM (S3C7048) memory, as well as multiple timer/counters and a serial I/O interface. It also provides advanced CMOS technology for low power consumption and a wide operating voltage range.