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NXP Semiconductors Electronic Components Datasheet

PCA2117 Datasheet

Automotive LCD driver

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PCA2117
Automotive LCD driver for character displays
Rev. 4 — 8 April 2015
Product data sheet
1. General description
The PCA2117 is a low-power Liquid Crystal Display (LCD)1 controller and driver. It is
specifically designed to drive LCD dot-matrix displays of 2-lines by 20 characters or 1-line
by 40 characters with 5 8 dot format. In addition 200 icons can be displayed. The chip
contains a character generator and displays alphanumeric characters. The PCA2117
features an internal charge pump with internal capacitors for on-chip generation of the
LCD driving voltage. To ensure an optimal and stable contrast over the full temperature
range, the PCA2117 offers a programmable temperature compensation of the LCD supply
voltage. The PCA2117 can be easily connected to a microcontroller by either the two-line
I2C-bus or a four-line bidirectional SPI-bus.
Various character sets can be manufactured on request. In addition up to 48 user-defined
symbols (5 8 dot format) can be stored in three selectable RAM columns with 16
characters each.
For a selection of NXP LCD character drivers, see Table 58 on page 97.
2. Features and benefits
AEC Q100 grade 2 compliant for automotive applications
Single-chip LCD controller and driver
Extended operating temperature range from 40 C to +105 C
2-line display of up to 20 characters plus 200 icons or 1-line display of up to 40
characters plus 200 icons
5 7 character format plus cursor and user-defined symbols
Icon blink function
On-chip:
Programmable 4, 3, or 2 times voltage multiplier generating LCD supply voltage
(external supply also possible)
Integrated temperature sensor with temperature readout
Selectable linear temperature compensation of on-chip generated VLCD
Generation of intermediate LCD bias voltages
Oscillator requires no external components (external clock also possible)
Readout of RAM, CGROM, and all registers possible
Diagnostic features:
Checksum on I2C and SPI bus
Frame frequency: programmable from 45 Hz to 360 Hz
Display Data RAM (DDRAM): 80 characters
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.


NXP Semiconductors Electronic Components Datasheet

PCA2117 Datasheet

Automotive LCD driver

No Preview Available !

NXP Semiconductors
PCA2117
Automotive LCD driver for character displays
Character Generator ROM (CGROM): 240, 224, or 208 characters (5 8) depending
on the selected RAM size
Character Generator RAM (CGRAM): 16, 32, or 48 characters (5 8); ICON-RAM:
400 bit
Two-line I2C-bus interface or four-line SPI bus selectable through input pin
Inversion modes
n-line (n = 1 to 7) inversion
Frame inversion
Large supply voltage range: VDD1: 2.5 V to 5.5 V (chip can be driven with battery cells)
Analog supply voltage VDD2: 2.5 V to 5.5 V
LCD supply voltage VLCD: 4 V to 16 V
Direct mode to save current consumption for icon mode and multiplex drive mode 1:9
(depending on VDD2 value and LCD properties)
Power-down mode pin
Very low current consumption (20 A to 200 A):
Power-down mode: < 2 A
Icon mode: < 25 A
Icon mode is used to save current. When only icons are displayed, a much lower LCD
operating voltage can be used and the switching frequency of the LCD driver outputs
is reduced. In this case, for most applications it is possible to use VDD as LCD supply
voltage
3. Applications
Automotive
Instrument clusters
Climate control display
Car entertainment
Car radio
Industrial
Medical and health care
Measuring equipment
Machine control systems
Information boards
General-purpose display modules
Consumer
White goods
Home entertainment
PCA2117
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 8 April 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
2 of 107


Part Number PCA2117
Description Automotive LCD driver
Maker NXP
Total Page 30 Pages
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