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HD66750 Datasheet(PDF) 6 Page - Hitachi Semiconductor |
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HD66750 Datasheet(HTML) 6 Page - Hitachi Semiconductor |
6 / 96 page HD66750/1 6 LCD Family Comparison (cont) (WS available) Items HD66728 HD66729 Character display sizes 16 characters x 10 lines Ñ Graphic display sizes 112 x 80 dots 105 x 68 dots Grayscale display Ñ Ñ Multiplexing icons Ñ Ñ Annunciator Ñ Ñ Key scan control 8 x 4 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 5.5 V Liquid crystal drive voltages 4.5 V to 15 V 4.0 V to 13 V Serial bus Clock-synchronized serial Clock-synchronized serial Parallel bus 4 bits, 8 bits 4 bits, 8 bits Liquid crystal drive duty ratios 1/8, 16, 24, 32, 40, 48, 56, 64, 72, 80 1/8, 16, 24, 32, 40, 48, 56, 64, 68 Liquid crystal drive biases 1/4 to 1/10 1/4 to 1/9 Liquid crystal drive waveforms B, C B, C Liquid crystal voltage booster Three-, four-, or five-times Two-, three-, four-, or five- 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 160 x 8 Ñ CGROM 20,736 Ñ CGRAM 1,120 x 8 1,050 x 8 SEGRAM Ñ Ñ No. of CGROM fonts 240 + 192 Ñ No. of CGRAM fonts 64 Ñ Font sizes 6 x 8 Ñ Bit map areas 112 x 80 105 x 68 R-C oscillation resistor/ oscillation frequency External resistor (70Ð90 kHz) External resistor (75 kHz) Reset function External External Low power control Partial display off, Oscillation off, Liquid crystal power off, Key wake-up interrupt 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-243 TCP-213 Bare chip Ñ Ñ Bumped chip Yes Yes No. of pins 243 213 Chip sizes 13.67 x 2.78 12.23 x 2.52 Pad intervals 70 mm 70 mm |
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