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HD66728 Datasheet(PDF) 7 Page - Hitachi Semiconductor |
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HD66728 Datasheet(HTML) 7 Page - Hitachi Semiconductor |
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7 / 96 page  HD66750/1 7 LCD Family Comparison (cont) (Under development) Items HD66741 HD66750/751 Character display sizes Ñ Ñ Graphic display sizes 128 x 80 dots 128 x 128 dots Grayscale display Ñ Four monochrome grayscales Multiplexing icons Ñ Ñ Annunciator Ñ Ñ Key scan control Ñ Ñ LED control ports Ñ Ñ General output ports 3 Ñ Operating power voltages 1.8 V to 5.5 V 1.8 V to 3.6 V Liquid crystal drive voltages 4.5 V to 15 V 5 V to 15.5 V Serial bus Clock-synchronized serial Ñ Parallel bus 4 bits, 8 bits 8 bits, 16 bits Liquid crystal drive duty ratios 1/8, 16, 24, 32, 40, 48, 56, 64, 72, 80 1/16, 24, 72, 80, 88, 96, 104, 112, 120, 128 Liquid crystal drive biases 1/4 to 1/10 1/4 to 1/11 Liquid crystal drive waveforms B, C B, C Liquid crystal voltage booster Three-, four-, or five-times Two-, five-, six-, or seven-times Bleeder-resistor for liquid crystal drive Incorporated (external) Incorporated (external) Liquid crystal drive operational amplifier Incorporated Incorporated Liquid crystal contrast adjuster Incorporated Incorporated Horizontal smooth scroll Ñ Ñ Vertical smooth scroll Line unit Line unit Double-height display Yes Yes DDRAM Ñ Ñ CGROM Ñ Ñ CGRAM 1,280 x 8 4,096 x 8 SEGRAM Ñ Ñ No. of CGROM fonts Ñ Ñ No. of CGRAM fonts Ñ Ñ Font sizes Ñ Ñ Bit map areas 128 x 80 128 x 128 R-C oscillation resistor/ oscillation frequency External resistor (70Ð90 kHz) External resistor (70 kHz) Reset function External External Low power control Partial display off, Oscillation off, Liquid crystal power off Partial display off, Oscillation off, Liquid crystal power off SEG/COM direction switching SEG, COM SEG, COM QFP package Ñ Ñ TQFP package Ñ Ñ TCP package TCP-254 TCP-308 Bare chip Ñ Ñ Bumped chip Yes Yes No. of pins 243 308 Chip sizes 14.30 x 2.78 10.97 x 4.13 Pad intervals 70 mm 60 mm |
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Similar Description - HD66728 |
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