OM4068H/2,518 NXP Semiconductors, OM4068H/2,518 Datasheet
OM4068H/2,518
Specifications of OM4068H/2,518
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OM4068H/2,518 Summary of contents
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DATA SHEET OM4068 LCD driver for low multiplex rates Product specification File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 1998 Jun 18 ...
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Philips Semiconductors LCD driver for low multiplex rates FEATURES Single-chip LCD controller/driver Static/duplex/triplex drive modes with up to 32/64/96 LCD segments drive capability per device Selectable backplane drive configuration: static backplane multiplexing Selectable display bias configuration ...
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Philips Semiconductors LCD driver for low multiplex rates BLOCK DIAGRAM handbook, full pagewidth BACKPLANE OUTPUTS LCD (1) SEG1, SEG6, SEG15 and SEG25 are not available in DIP40 package. 1998 Jun 18 BP1 BP2 BP3 DISPLAY SEGMENT OUTPUTS ...
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Philips Semiconductors LCD driver for low multiplex rates PINNING See notes SYMBOL QFP44 V 4 LCD SDIN 9 SCLK 10 SCE 11 SDOUT 12 BP1 13 BP2 ...
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Philips Semiconductors LCD driver for low multiplex rates SYMBOL QFP44 SEG27 42 SEG28 43 SEG29 44 SEG30 1 SEG31 2 SEG32 3 Notes 1. SEG1 to SEG32 (LCD segment driver outputs) output the multi-level signals for the LCD segments. 2. ...
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Philips Semiconductors LCD driver for low multiplex rates handbook, full pagewidth SEG30 1 SEG31 2 SEG32 3 V LCD SDIN 9 SCLK 10 SCE 11 1998 Jun 18 OM4068H ...
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Philips Semiconductors LCD driver for low multiplex rates handbook, halfpage 1998 Jun 18 SEG13 1 40 SEG12 2 39 SEG14 SEG11 3 38 SEG16 SEG10 SEG17 4 37 SEG9 SEG18 5 36 SEG8 6 35 SEG19 SEG7 7 34 SEG20 ...
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Philips Semiconductors LCD driver for low multiplex rates FUNCTIONAL DESCRIPTION The OM4068 is a low-power LCD driver designed to interface with any microprocessor/microcontroller and a wide variety of LCDs. It can drive any static or multiplexed LCD containing up to ...
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Philips Semiconductors LCD driver for low multiplex rates Power-on reset The on-chip power-on reset block initializes the chip after power-on or power failures. The OM4068 resets to a starting condition as follows: All backplane and segment outputs are set to ...
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Philips Semiconductors LCD driver for low multiplex rates Table 3 LCD drive modes: summary of characteristics NUMBER OF LCD DRIVE MODE BACKPLANES Static LCD drive mode waveforms The static LCD drive ...
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Philips Semiconductors LCD driver for low multiplex rates ULTIPLEX DRIVE MODE When two backplanes are provided in the LCD, the multiplex mode applies, as shown in Fig.6. T frame V LCD BP1 1/2V ...
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Philips Semiconductors LCD driver for low multiplex rates handbook, full pagewidth T frame V LCD 2/3V LCD SEG N 1/3V LCD LCD 2/3V LCD SEG N 1 1/3V LCD LCD 2/3V LCD SEG N ...
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Philips Semiconductors LCD driver for low multiplex rates Oscillator The internal logic and the multi-level LCD drive signals of the OM4068 are generated by the built-in RC oscillator. No external components are required. In order to minimize radio frequency interference, ...
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Philips Semiconductors LCD driver for low multiplex rates Display latch The 96-bit display latch holds the display data while the corresponding multiplex signals are generated. There is a one-to-one relationship between the data in the display latch and the LCD ...
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Philips Semiconductors LCD driver for low multiplex rates handbook, full pagewidth SDIN SCLK 1998 Jun 18 D32A D32B M0 MUX M1 SDOUT Fig.10 Shift register structure. 15 Product specification OM4068 D32C MBK825 ...
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Philips Semiconductors LCD driver for low multiplex rates Table 4 Relationships between data bit numbers and the LCD segment outputs SEGMENT NUMBER STATIC SEG1 D1A SEG2 D2A SEG3 D3A SEG4 D4A SEG5 D5A SEG6 D6A SEG7 D7A SEG8 D8A SEG9 ...
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Philips Semiconductors LCD driver for low multiplex rates Backplane outputs The LCD drive section includes three backplane outputs (BP1 to BP3) which should be connected directly to the LCD. The backplane output signals are generated in accordance with the selected ...
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Philips Semiconductors LCD driver for low multiplex rates DC CHARACTERISTICS V = 2 LCD SYMBOL PARAMETER Supplies V supply voltage DD V LCD supply voltage LCD I supply current DD ...
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Philips Semiconductors LCD driver for low multiplex rates AC CHARACTERISTICS V = 2 LCD SYMBOL f LCD frame frequency (internal clock) fr(LCD) f oscillator frequency (not available at any pin) ...
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Philips Semiconductors LCD driver for low multiplex rates BONDING PAD LOCATIONS handbook, full pagewidth SEG31 2 SEG32 3 V LCD 4 2. SDIN 9 SCLK ...
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Philips Semiconductors LCD driver for low multiplex rates Table 5 Bonding pad locations (dimensions in m). All x/y coordinates are referenced to bottom left corner of chip (see Fig.12). SYMBOL PAD V 5 43.100 42.900 SS M0 ...
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Philips Semiconductors LCD driver for low multiplex rates PACKAGE OUTLINES QFP44: plastic quad flat package; 44 leads (lead length 1.3 mm); body 1. pin 1 index DIMENSIONS ...
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Philips Semiconductors LCD driver for low multiplex rates DIP40: plastic dual in-line package; 40 leads (600 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT ...
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Philips Semiconductors LCD driver for low multiplex rates SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, ...
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Philips Semiconductors LCD driver for low multiplex rates During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be ...
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Philips Semiconductors LCD driver for low multiplex rates 1998 Jun 18 NOTES 26 Product specification OM4068 ...
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Philips Semiconductors LCD driver for low multiplex rates 1998 Jun 18 NOTES 27 Product specification OM4068 ...
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Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, ...