4 - bit single chip microcomputers ADAM24C20 the adam24xxx is remote control transmitter which uses cmos technology. the adam24xxx is suitable for remote control of tv, vcr, fans, air - conditioners, audio equipments, toys, games etc. ? program memory - 1,096 bytes(1,024 x 8bit) ? data memory (ram) - 32nibble(32 x 4bit) ? 3 levels of subroutine nesting ? 8 - bit table read instruction ? oscillator type(operation frequency) - internal rc oscillator(typ.3.64mhz 2%) ? instruction cycle - fosc/48 ? stop mode ? released stop mode by key input ? built in power - on reset circuit, wdt ? built in transistor for i.r led drive - i ol =250ma at vdd=3v and vo=0.3v ? built in low voltage reset circuit ? low operating voltage - 1.8 ~ 3.6v www.etachips.com ????? eta chips co., ltd www.datasheet.co.kr datasheet pdf - http://www..net/
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