S3P72K8 microcontroller equivalent, singl-chip cmos microcontroller.
Memory — 8 K × 8-bit RAM — 1,024 × 4-bit ROM 27 I/O Pins — Input only: 4 pins — I/O: 15 pins — Output: maximum 8 pins for 1-bit level output (sharing with segment driver .
which require LCD functions. Up to 27 pins of the 80-pin QFP package can be dedicated to I/O. Seven vectored interrupts .
Table 1-1. S3C72K8 Pin Descriptions Pin Name P0.0 P0.1 P0.2 P0.3 Pin Type I/O Description 4-bit I/O port. 1-bit or 4-bit read/write and test is possible. Individual pins are software configurable as input or output. Individual pins are software conf.
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