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HT16514 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT16514 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 39 page  Pin Name I/O Description CL O Clear signal for extension digit driver, active low. The digit data stored in the latch register of the extension driver are output when this signal is ²Hi², if this signal is ²Low², extension driver outputs are ²Low². LE O Latch enable signal for extension digit driver. Output Pins G1~G24 O High-voltage output, grid output pins. S1~S80 O High-voltage output, segment output pins. Power System VDD ¾ Pins for logic circuit LGND ¾ LGND is ground pin for logic circuit VH ¾ Power supply pins for VFD driver circuit PGND ¾ PGND is ground pin for VFD driver circuit Table 1-1. Duty Ratio Setting DS0 DS1 Duty Ratio 0 0 1/16 (# of grid = 16) 0 1 1/24 (# of grid = 24) 1 0 1/20 (# of grid = 20) 1 1 1/40 (# of grid = 40)* Note: * When setting to 1/40 duty mode, use the external extension grid driver. Table 1-2. Segment Setting: 2 Line Display (N=1) RL1 RL2 Table No. 0 0 Table 1-3 0 1 Table 1-4 1 0 Table 1-5 1 1 Table 1-6 HT16514 Rev. 1.00 4 October 4, 2006 |
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