ST9040 Datasheet | STMicroelectronics

.. ® 16K ROM HCMOS MCU WITH EEPROM, RAM AND A/D CONVERTER Register oriented 8/16 bit CORE with RUN, WFI and HALT modes Minimum instruction cycle time : 500ns (12MHz internal) Internal Memory : 16K bytes 256 bytes EEPROM 512 bytes 224 general purpose registers available as RAM, accumulators or index registers (register file) 80-pin PQFP package for ST9040Q 68-lead PLCC package for ST9040C DMA controller, Interrupt handler and Serial Peripheral Interface as standard Features Up to 56 fully programmable I/O pins Up to 8 external plus 1 non-maskableinterrupts 16 bit Timer with 8 bit Prescaler, able to be used as a WatchdogTimer Two 16 bit...