S3P7544 rom equivalent, single-chip cmos microcontroller/ 512 x 4-bit ram/ 4096 x 8-bit rom.
SUMMARY
Memory
*
* 512 × 4-bit RAM 4096 × 8-bit ROM Bit Sequential Carrier
* Supports 16-bit serial data transfer in arbitrary format
I/O Pins
* 17 pins .
Up to 17 pins of the 24-pin SDIP package can be dedicated to I/O. Four vectored interrupts provide fast response to int.
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