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ENN7159 Datasheet(PDF) 11 Page - Sanyo Semicon Device |
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ENN7159 Datasheet(HTML) 11 Page - Sanyo Semicon Device |
11 / 26 page Control Data Functions 1. P0 to P3: Segment output port/general-purpose output port switching control data. These control data bits switch the S1/P1 to S8/P8 output pins between their segment output port and general-purpose output port functions. Note: Sn (n = 1 to 8): Segment output ports Pn (n = 1 to 8): General-purpose output ports Also note that when the general-purpose output port function is selected, the output pins and the display data will have the correspondences listed in the tables below. For example, when 1/4 duty drive scheme is used, if the general-purpose output port function is selected for the S4/P4 output pin, that output pin will output a high level (VLCD) when the display data D13 is 1, and a low level (VSS) when the D13 is 0. No. 7159--11/26 LC75813E, 75813T Control data Output pin state P0 P1 P2 P3 S1/P1 S2/P2 S3/P3 S4/P4 S5/P5 S6/P6 S7/P7 S8/P8 0 0 0 0 S1 S2 S3 S4 S5 S6 S7 S8 0 0 0 1 P1 S2 S3 S4 S5 S6 S7 S8 0 0 1 0 P1 P2 S3 S4 S5 S6 S7 S8 0 0 1 1 P1 P2 P3 S4 S5 S6 S7 S8 0 1 0 0 P1 P2 P3 P4 S5 S6 S7 S8 0 1 0 1 P1 P2 P3 P4 P5 S6 S7 S8 0 1 1 0 P1 P2 P3 P4 P5 P6 S7 S8 0 1 1 1 P1 P2 P3 P4 P5 P6 P7 S8 1 0 0 0 P1 P2 P3 P4 P5 P6 P7 P8 Output pin Corresponding display data 1/3 duty 1/4 duty S1/P1 D1 D1 S2/P2 D4 D5 S3/P3 D7 D9 S4/P4 D10 D13 S5/P5 D13 D17 S6/P6 D16 D21 S7/P7 D19 D25 S8/P8 D22 D29 2. DR: 1/2 bias drive or 1/3 bias drive switching control data This control data bit selects either 1/2 bias drive or 1/3 bias drive. DR Bias drive scheme 0 1/3 bias drive 1 1/2 bias drive 3. DT: 1/3 duty drive or 1/4 duty drive switching control data This control data bit selects either 1/3 duty drive or 1/4 duty drive. Note: COM4: common output S87: segment output DT Duty drive scheme Output pin state (COM4/S87) 0 1/4 duty drive COM4 1 1/3 duty drive S87 |
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