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ST9291
16-48K ROM HCMOS MCU WITH ON SCREEN DISPLAY AND VOLTAGE TUNING OUTPUT
FUNCTIONAL DESCRIPTION
Register oriented 8/16 bit CORE with RUN, WFI and HALT modes Minimum instruction cycle time: 500ns (12MHz internal) 16 to 48K bytes of ROM, 384/640 bytes of RAM, 224 general purpose registers available as RAM, accumulators or index registers (Register File) 42-lead Shrink DIP package or 56-lead Shrink DIP package Interrupt handler and Serial Peripheral Interface as standard features 31 (42 pin package) / 42 (56 pin package) fully programmable I/O pins 34 character x15 rows software programmable On Screen Display module with colour, italic, underline, flash, transparent and fringe attribute options 14-bit Voltage Synthesis for tuning reference voltage.