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NXP Semiconductors Electronic Components Datasheet

PCA8534A Datasheet

Universal LCD Driver

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PCA8534A
Automotive LCD driver for low multiplex rates
Rev. 4 — 16 April 2015
Product data sheet
1. General description
The PCA8534A is a peripheral device which interfaces to almost any Liquid Crystal
Display (LCD)1 with low multiplex rates. It generates the drive signals for any static or
multiplexed LCD containing up to four backplanes and up to 60 segments. It can be easily
cascaded for larger LCD applications. The PCA8534A is compatible with most
microcontrollers and communicates via the two-line bidirectional I2C-bus. Communication
overheads are minimized by a display RAM with auto-incremented addressing, by
hardware subaddressing, and by display memory switching (static and duplex drive
modes).
For a selection of NXP LCD segment drivers, see Table 26 on page 45.
2. Features and benefits
AEC-Q100 compliant for automotive applications
Single-chip LCD controller and driver
Selectable backplane drive configurations: static, 2, 3, or 4 backplane multiplexing
60 segment outputs allowing to drive:
30 7-segment alphanumeric characters
15 14-segment alphanumeric characters
Any graphics of up to 240 elements
Cascading supported for larger applications
60 4-bit display data storage RAM
Wide LCD supply range: from 2.5 V for low threshold LCDs up to 6.5 V for high
threshold twisted nematic LCDs
Internal LCD bias generation with voltage follower buffers
Selectable display bias configurations: static, 12, or 13
Wide logic power supply range: from 1.8 V to 5.5 V
LCD and logic supplies may be separated
Low power consumption
400 kHz I2C-bus interface
No external components required
Display memory bank switching in static and duplex drive modes
Versatile blinking modes
Silicon gate CMOS process
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.


NXP Semiconductors Electronic Components Datasheet

PCA8534A Datasheet

Universal LCD Driver

No Preview Available !

NXP Semiconductors
PCA8534A
Automotive LCD driver for low multiplex rates
3. Ordering information
Table 1. Ordering information
Type number
Package
Name
PCA8534AH
LQFP80
Description
plastic low profile quad flat package;
80 leads; body 12 12 1.4 mm
Version
SOT315-1
3.1 Ordering options
Table 2. Ordering options
Product type number Orderable part number Sales item
(12NC)
Delivery form
PCA8534AH/Q900/1 PCA8534AH/Q900/1 935290243518 Reel Dry Pack, SMD, 13"
4. Marking
IC
revision
1
Table 3. Marking codes
Type number
PCA8534AH/Q900/1
Marking code
PCA8534A/Q900
PCA8534A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 16 April 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
2 of 53


Part Number PCA8534A
Description Universal LCD Driver
Maker NXP
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