S3P72B9 a equivalent, the s3c72b5/c72b7/c72b9 single-chip cmos microcontroller has been designed for high performance using samsungs newest 4-bit cpu core/ sam47 (samsung a.
SUMMARY
Memory
* 3,584 × 4-bit RAM (Excluding LCD Display RAM) 16,384/24,576/32,768 × 8-bit ROM 16-Bit Timer/Counter
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* 51 I/O Pins
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* I.
which require LCD functions. Up to 51 pins of the 128-pin QFP package can be dedicated to I/O. Nine vectored interrupts .
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