EM78911 8-bit micro-controller EM78911 I.
General Description The EM78911 is an 8-bit CID (Call Identification) RISC type microprocessor with low power , high speed CMOS technology .
Integrated onto a single chip are on_chip watchdog (WDT) , RAM , ROM , programmable real time clock /counter , internal interrupt , power down mode , LCD driver , FSK decoder ,CALL WAITING decoder, DTMF generator and tri-state I/O .
The EM78911 provides a single chip solution to design a CID of calling message_display .
II.
Feature CPU •Operating voltage range : 2.
5V〜5.
5V •16K× 13 on chip ROM •2.
8K× 8 on chip RAM •Up to 36 bi-directional tri-state I/O ports •8 level stack for subroutine nesting •8-bit real time cl...

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