ST9040 - 16K ROM HCMOS MCU

5 1.2 PIN DESCRIPTION

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6 1.3 MEMORY

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• 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 Multifunction Timers, each with an 8 bit prescaler and 13 operating modes 8 channel 8 bit Analog to Digital Converter, with Analog Watchdogs and external references Serial Communications Interface with asynchronous and synchronous capability Rich Instruction Set and 14 Addressingmodes Division-by-Zero trap generation Versati.