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HD66727 Datasheet(PDF) 4 Page - Hitachi Semiconductor |
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HD66727 Datasheet(HTML) 4 Page - Hitachi Semiconductor |
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4 / 97 page  HD66727 4 LCD-II Family Comparison Item LCD-II (HD44780U) HD66702R HD66710 HD66712U Power supply voltage 2.7V to 5.5V 5V ± 10% (standard) 2.7 V to 5.5V (low voltage) 2.7V to 5.5V 2.7V to 5.5V Liquid crystal drive voltage 3.0 to 11.0V 3.0V to 8.3V 3.0 to 13.0V 2.7 to 11.0V Maximum display - characters per chip 8 characters × 2 lines 20 characters × 2 lines 16 characters × 2 lines/ 8 characters × 4 lines 24 characters × 2 lines/ 12 characters × 4 lines Segment display None None 40 60 (extended to 80) Display duty ratio 1/8, 1/11, and 1/16 1/8, 1/11, and 1/16 1/17 and 1/33 1/17 and 1/33 CGROM 9,920 bits (208 5- ×-8 dot characters and 32 5- ×-10 dot characters) 7,200 bits (160 5- ×-7 dot characters and 32 5- ×-10 dot characters) 9,600 bits (240 5- ×-8 dot characters) 9,600 bits (240 5- ×-8 dot characters) CGRAM 64 bytes 64 bytes 64 bytes 64 bytes DDRAM 80 bytes 80 bytes 80 bytes 80 bytes SEGRAM None None 8 bytes 16 bytes Segment signals 40 100 40 60 Common signals 16 16 33 34 Liquid crystal drive waveform AB B B Clock source External resistor or external clock External resistor or external clock External resistor or external clock External resistor or external clock Rf oscillation frequency 270 kHz ± 30% 320 kHz ± 30% 270 kHz ± 30% 270 kHz ± 30% Liquid crystal voltage booster circuit None None Double or triple booster circuit Double or triple booster circuit Liquid crystal drive operational amplifier None None None None Bleeder-resistor for liquid crystal drive External External External External Liquid crystal contrast adjuster None None None None Key scan circuit None None None None Extension driver control signal Independent control signal Independent control signal Used in common with a driver output pin Independent control signal Reset function Internal reset circuit Internal reset circuit Internal reset circuit Internal reset circuit or reset input Horizontal smooth scroll Impossible Impossible Dot unit Dot unit and line unit Vertical smooth scroll Impossible Impossible Impossible Impossible Number of displayed lines 1 or 2 1 or 2 1, 2, or 4 1, 2, or 4 Low power control None None Low power mode Low power mode Bus interface 4 or 8 bits 4 or 8 bits 4 or 8 bits Serial, 4, or 8 bits Package 80-pin QFP1420 80-pin TQFP1414 80-pin bare chip 144-pin FQFP2020 144-pin bare chip 100-pin QFP1420 100-pin TQFP1414 100-pin bare chip 128-pin TCP 128-pin bare chip |
Similar Part No. - HD66727 |
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Similar Description - HD66727 |
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