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NJU6475B Datasheet(PDF) 6 Page - New Japan Radio |
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NJU6475B Datasheet(HTML) 6 Page - New Japan Radio |
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6 / 45 page 
NJU6475B TERMINAL DESCRIPTION PAD No. Symbol I/O F u n c t i o n 11,5 V ,V - Power Source : V =+3V GND : V =0V DD SS DD SS 4 V - LCD driving voltage 5 2,3 OSC , I/O System clock terminal 1 OSC Oscillation C and R are incorporated. (Normally Open) 2 For external clock operation, the clock should be input on OSC . 1 17 P/S I Serial input select terminal (fixed to "L") Register selection signal input terminal 18 RS I "0" instruction register. (Writing) "1" Data register. (Writing, Reading) 19 R/W I Read(R) / Write(W) selection signal input terminal 20 E/SCL I Serial clock input terminal 23 DB /CS I Chip select signal 7 24 DB /SIO I/O Data input terminal (3-state data bus.) 6 25 - 30 DB - DB I I/O port output terminal 05 22 REQ O This terminal normally output "L". When confirm a key action, REQ terminal output puls. 21 LCD/KEY I Fix to "H" Level 35 - 42 S -S O Key scan signal data output terminal o7 Open Drain Output 31 - 34 K - K I Key scan data input terminal 03 In case of non use, fix to "H". 158 - 151 COM - COM O Common signal output terminal 132 65 - 72 150 - 143 73 - 80 162 - 159 COMM - O Icon common display signal output terminal 1 4 COMM 163 COMS O Static driving common signal output terminal 1 When power down mode V or V levels are output. DD SS 82 - 141 SEG - SEG O Segment signal output terminal 160 81,142 SEGM ,SEGM O Icon segment driving signal output terminal 12 |
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