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LC75836WS-T 데이터시트(PDF) 10 Page - ON Semiconductor |
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LC75836WS-T 데이터시트(HTML) 10 Page - ON Semiconductor |
10 / 18 page LC75836WS-T www.onsemi.com 10 Control Data Functions 1. FC0 to FC2: Common/segment output waveform frame frequency control data These control data bits set the frame frequency of the common and segment output waveforms. Control data Frame frequency fo [Hz] FC0 FC1 FC2 1 1 0 fosc/768,fCK/768 1 1 1 fosc/576,fCK/576 0 0 0 fosc/384,fCK/384 0 0 1 fosc/288,fCK/288 0 1 0 fosc/192,fCK/192 2. P0 to P2: Segment output port/general-purpose output port switching control data These control data bits switch the segment output port/general-purpose output port functions of the S1/P1 to S4/P4 output pins. Control data Output pin state P0 P1 P2 S1/P1 S2/P2 S3/P3 S4/P4 0 0 0 S1 S2 S3 S4 0 0 1 P1 S2 S3 S4 0 1 0 P1 P2 S3 S4 0 1 1 P1 P2 P3 S4 1 0 0 P1 P2 P3 P4 Note: Sn (n = 1 to 4): Segment output ports Pn (n = 1 to 4): General-purpose output ports Note that when the general-purpose output port function is selected, the correspondence between the output pins and the display data will be that shown in the table. Output pin Corresponding display data S1/P1 D1 S2/P2 D5 S3/P3 D9 S4/P4 D13 For example, if the general-purpose output port function is selected for the S4/P4 output pin, that output pin will output a high level (VDD) when the display data D13 is 1, and a low level (VSS) when the D13 is 0. 3. OC: RC oscillator operating mode/external clock operating mode switching control data. This control data bit switches the OSC pin function (either RC oscillator operating mode or external clock operating mode). OC OSC pin function 0 RC oscillator operating mode 1 External clock operating mode Note: An external resistor, Rosc, and an external capacitor, Cosc, must be connected to the OSC pin if RC oscillator operating mode is selected. 4. SC: Segment on/off control data This control data bit controls the on/off state of the segments. SC Display state 0 On 1 Off Note that when the segments are turned off by setting SC to 1, the segments are turned off by outputting segment off waveforms from the segment output pins. |
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