EM78910

EM78910/910A 8-BIT MICRO-CONTROLLER Version 1.0 ELAN MICROELECTRONICS CORP. No. 12, Innovation 1st RD., Science-Based Industrial Park Hsin Chu City, Taiwan, R.O.C. TEL: (03) 5639977 FAX: (03)5782037(SL) 5780617 (SA2) Version History Specification Revision History Version Content EM78910/910A 1.0 Initial version Release Date 2001/1/12 EM78910/910A 8-bit Micro-controller I.General Description The EM78910/910A is an 8-bit CID (Call Identification) RISC type microprocessor with low power, high speed CMOS technology. This integrated single chip has on_chip watchdog (WDT), RAM, ROM, programmable real time clock/counter, internal interrupt, power down mode, FSK decoder, Call waiting decoder, SDT (Stuttered dial tone) decoder, DTMF generator, MEI (Multiple Extension Internetworking) function, RTF (Request To Flash) function and tri-state I/O. The EM78910/910A 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 Read Only Memory 1.1K× 8 on chip RAM Up to 28 bi-directional tri-state I/O ports 8 level stack for subroutine nesting 8-bit real time clock/counter (TCC) Two sets of 8 bit counters can be interrupt sources Selective signal sources and trigger edges , and with overflow interrupt Programmable free running on chip watchdog timer 99.9％ single instruction cycle commands Four modes (Main clock 3.579MHz or 1.79MHz) Set code option bit0(MCLK) : 0/1 ! 3.579MHz/1.79MHz Mode ...