EM78811-the integrated microcomputer circuit of communication single door

Published:2011/5/13 20:11:00 Author:Borg | Keyword: microcomputer, single door | From:SeekIC

EM78811 is an integrated microcomputer circuit of communication single door, which is widely used in all kinds of caller display phones.1.Function featuresEM78811 is a 4 bit CMOS micro computer which contains FSK decoder of BELL202 or ITV-TV23 standard, generators of dual-sound multiple frequency, battery low voltage detection circuit of 4-level potential plate, LCD display drive circuit and energy-saving control circuit, etc. 2. Pin functions and dataEM78811 is in 100-lead soft package which is packed on the LCD plate directly, whose pin functions and data are listed in Table 1-1.



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