Microchip Technology dsPIC33 User Manual

 2010-2013 Microchip Technology Inc. DS30009740B-page 1
HIGHLIGHTS
This section of the manual contains the following major topics:
1.0 Introduction ....................................................................................................................... 2
2.0 LCD Registers................................................................................................................... 3
3.0 LCD Segment Pins Configuration..................................................................................... 6
4.0 LCD Clock Source Selection............................................................................................. 8
5.0 LCD Bias Types ................................................................................................................ 9
6.0 LCD Multiplex Types ....................................................................................................... 21
7.0 Segment Enables............................................................................................................ 22
8.0 Pixel Control.................................................................................................................... 22
9.0 LCD Frame Frequency ................................................................................................... 22
10.0 LCD Waveform Generation............................................................................................. 22
11.0 LCD Interrupts................................................................................................................. 36
12.0 Configuring the LCD Module........................................................................................... 38
13.0 Operation During Sleep .................................................................................................. 39
14.0 Registers......................................................................................................................... 40
15.0 Revision History .............................................................................................................. 41
Liquid Crystal Display (LCD)

Microchip Technology dsPIC33 Specifications

General

Brand	Microchip Technology
Model	dsPIC33
Category	I/O Systems
Language	English

Summary

LCD Registers

LCD Control Register (LCDCON)

Controls the overall operation of the LCD module, including enable/disable and sleep modes.

LCD Phase Register (LCDPS)

Configures the LCD clock source prescaler and waveform type (Type-A or Type-B).

LCD Segment Pins Configuration

LCD Segment Enable Registers (LCDSEn)

Configure port pins to function as LCD segment drivers by setting enable bits.

LCD Data Registers (LCDDATAx)

Define the state of each pixel on the LCD display by setting pixel on/off bits.

LCD Clock Source Selection

LCD Bias Types

Internal Resistor Biasing

LCD Voltage Regulator

MO (Regulator with Boost)

M2 (Resistor Ladder with Software Contrast)

M3 (Resistor Ladder with Hardware Contrast)

Segment Enables

LCD Waveform Generation

Type-A Waveform Characteristics

Type-B Waveform Characteristics

LCD Interrupts

Configuring the LCD Module

Registers