PCA9620H NXP [NXP Semiconductors], PCA9620H Datasheet

PCA9620H

Manufacturer Part Number

PCA9620H

Description

Universal LCD driver for low multiplex rates

Manufacturer

NXP [NXP Semiconductors]

Datasheet

1.PCA9620H.pdf (71 pages)

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Meier Automation Equipment Co., Limited

Part Number:

PCA9620H/Q900/1

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Manufacturer:

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Part Number:

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1. General description

2. Features and benefits

The definition of the abbreviations and acronyms used in this data sheet can be found in

The PCA9620 is a peripheral device which interfaces to almost any Liquid Crystal Display

(LCD)

LCD containing up to eight backplanes, 60 segments, and up to 480 elements. The

PCA9620 is compatible with most microprocessors or microcontrollers and communicates

via a two-line bidirectional I

display RAM with auto-incremented addressing and display memory switching. The

PCA9620 features an internal charge pump with internal capacitors for on-chip generation

of the LCD driving voltages.

AEC Q100 grade 2 compliant for automotive applications.

PCA9620

Universal LCD driver for low multiplex rates

Rev. 1 — 9 December 2010

Low power consumption

Extended operating temperature range from −40 °C to +105 °C

60 segments and 8 backplanes allowing to drive:

480 bit RAM for display data storage

Selectable backplane drive configuration: static, 2, 4, 6, or 8 backplane multiplexing

Programmable internal charge pump for on-chip LCD voltage generation up to

3 × V

400 kHz I

Selectable linear temperature compensation of V

Selectable display bias configuration

Wide range for digital and analog power supply: from 2.5 V to 5.5 V

Wide LCD supply range: from 2.5 V for low threshold LCDs and up to 9.0 V for high

threshold (automobile) twisted nematic LCDs

Display memory bank switching in static, duplex, and quadruplex drive modes

Programmable frame frequency in steps of 10 Hz in the range of 60 Hz to 300 Hz;

factory calibrated with a tolerance of ±15 % covering the whole temperature and

voltage range

Selectable inversion scheme for LCD driving waveforms: frame or line inversion

Integrated temperature sensor with temperature readout

On chip calibration of internal oscillator frequency and V

up to 60 7-segment alphanumeric characters

up to 30 14-segment alphanumeric characters

any graphics of up to 480 elements

with low multiplex rates. It generates the drive signals for any static or multiplexed

DD2

C-bus interface

C-bus. Communication overheads are minimized using a

LCD

Section 15 on page

LCD

Product data sheet

65.

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