pcf8536 NXP Semiconductors, pcf8536 Datasheet

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pcf8536

Manufacturer Part Number
pcf8536
Description
Universal Lcd Driver For Low Multiplex Rates Including A 6 Channel Pwm Generator
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features and benefits
1.
The definition of the abbreviations and acronyms used in this data sheet can be found in
The PCF8536 is a peripheral device which interfaces to almost any Liquid Crystal Display
(LCD)
containing up to eight backplanes, up to 44 segments, and up to 320 elements. The
PCF8536 is compatible with most microcontrollers and communicates via the two-line
bidirectional I
Communication overheads are minimized using a display RAM with auto-incremented
addressing.
The PCF8536 features an on-chip PWM controller for LED illumination. Up to six
independent channels can be configured. Each channel has 128 levels allowing the
possibility for two RGB controllers. Each of them provides over 2 million colors. Each
channel can also be used for static drive.
PCF8536
Universal LCD driver for low multiplex rates including a 6
channel PWM generator
Rev. 1 — 6 October 2011
Single-chip 320 segment LCD controller and driver with 6 channel PWM generator
6 channel PWM generator for backlight LED illumination
Selectable display bias configuration
Wide range for digital power supply: from 1.8 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 twisted nematic LCDs
Low power consumption
Selectable backplane drive configuration: 4, 6, or 8 backplane multiplexing
LCD and logic supplies may be separated
320-bit RAM for display data storage
6 PWM outputs with a 7-bit resolution (128 steps) and drivers for external transistors
Programmable PWM frame frequency to avoid LCD backlight flickering
400 kHz I
5 MHz SPI-bus interface (PCF8536BT)
Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of
approximately 10 Hz; factory calibrated
1
with low multiplex rates. It generates the drive signals for any multiplexed LCD
2
2
C-bus interface (PCF8536AT)
C-bus (PCF8536AT) or a three line unidirectional SPI-bus (PCF8536BT).
Section
19.
Product data sheet

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