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NXP Semiconductors Electronic Components Datasheet

PCF85162 Datasheet

Universal LCD driver

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PCF85162
32 × 4 universal LCD driver for low multiplex rates
Rev. 5 — 17 December 2014
Product data sheet
1. General description
The PCF85162 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 32 segments. It can be easily
cascaded for larger LCD applications. The PCF85162 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 25 on page 44.
2. Features and benefits
Single chip LCD controller and driver
Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
Selectable display bias configuration: static, 12, or 13
Internal LCD bias generation with voltage-follower buffers
32 segment drives:
Up to 16 7-segment numeric characters
Up to 8 14-segment alphanumeric characters
Any graphics of up to 128 segments/elements
32 4-bit RAM for display data storage
Display memory bank switching in static and duplex drive modes
Versatile blinking modes
Independent supplies possible for LCD and logic voltages
Wide power supply range: from 1.8 V to 5.5 V
Wide logic LCD supply range:
From 2.5 V for low-threshold LCDs
Up to 6.5 V for guest-host LCDs and high-threshold twisted nematic LCDs
Low power consumption
400 kHz I2C-bus interface
No external components required
Manufactured in silicon gate CMOS process
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 21.


NXP Semiconductors Electronic Components Datasheet

PCF85162 Datasheet

Universal LCD driver

No Preview Available !

NXP Semiconductors
PCF85162
32 × 4 universal LCD driver for low multiplex rates
3. Ordering information
Table 1. Ordering information
Type number
Package
Name
PCF85162T
TSSOP48
Description
Version
plastic thin shrink small outline package; SOT362-1
48 leads; body width 6.1 mm
3.1 Ordering options
Table 2. Ordering options
Product type number IC
revision
PCF85162T/1
1
Sales item (12NC)
935290708118
Delivery form
tape and reel, 13 inch
4. Marking
Table 3. Marking codes
Product type number
PCF85162T/1
Marking code
PCF85162T
PCF85162
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 17 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
2 of 53


Part Number PCF85162
Description Universal LCD driver
Maker NXP
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PCF85162 Datasheet PDF






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