J8O-1A57-the communication single chip microcomputer integrated circuit

Published:2011/7/13 10:46:00 Author:Borg | Keyword: communication single chip, microcomputer | From:SeekIC

1.function featuresJ80-1A57 contains the wireless emitting and receiving control circuit, key switch encoding/decoding circuit, charge detection circuit, battery low-voltage circuit, PLL signal process circuit, keypad indicator control circuit, field strength detection circuit, buzzer drive control circuit, 2 lines of clock oscillating circuits, ringing switch control circuit and other indicator drive control circuit, etc.2.pin functions and dataJ80-1A57 is in 44-pin package, whose pin functions and data are listed in table 1-1.



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