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NJU6655BCJ Datasheet(PDF) 11 Page - New Japan Radio |
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NJU6655BCJ Datasheet(HTML) 11 Page - New Japan Radio |
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11 / 54 page  -11 - NJU6655B Ver.2009-12-02 No. SYMBOL I/O FUNCTION 6 FR I/O LCD alternating current signal I/O terminal. M/S=”H” : Output M/S=”L” : Input 4,9 SYNC I/O LCD synchronizing current signal I/O terminal. M/S=”H” : Output M/S=”L” : Input LCD Display blanking control terminal. M/S=”H” : Output terminal. Display “On” = “H”, Display “Off” = “L” M/S=”L” : Input terminal. External control. Refer to the following table. DOFb Instruction H L Display On On Off Display Off Off Off 8 DOFb I/O 81 IRS I Internal Feedback Resistor Select IRS=“H” : Internal feedback IRS=“L” : External feedback resistor This setting is effective in the master operation. It is ineffective in the slave operation but should be fixed to “H” or “L”. 5 FRS O The output terminal for the static drive. This terminal is used in conjunction with the SYNC terminal. 89 to 120 C31 to C0 O LCD driving signal output terminals. -Common output terminals : C0 to C63 -Segment output terminals : S0 to S159 Common output terminals The following output voltages are selected by the combination of alternating (FR) signal and Common scanning data. Scan Data FR Output Voltage H V5 H L VDD H V1 L L V4 122 to 124, 131 to 284, 291 to 293 S0 to S159 O Segment output terminals The following output voltages are selected by the combination of alternating (FR) signal and display data in the RAM. Output Voltage RAM Data FR Normal Reverse H VDD V2 H L V5 V3 H V2 VDD L L V3 V5 294 to 325 C32 to C63 O 121,326 COMM O COM output terminals for the indicator. Both terminals output the same signal. Leave these open if they are not used. 3 TEST1 O Maker test only. Normally open. 79 TEST2 I Maker test only. This terminal must connect to VSS. |
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