Introduction - Freescale Semiconductor MCF5329 Reference Manual

Chapter 22
Liquid Crystal Display Controller (LCDC)
22.1

Introduction

The liquid crystal display controller (LCDC) provides display data for external gray-scale or color LCD
panels. The LCDC is capable of supporting black-and-white, gray-scale, passive-matrix color (passive
color or CSTN), and active-matrix color (active color or TFT) LCD panels.
22.1.1 Block Diagram
The LCD controller block diagram is shown below.
LCDC
Arbiter
Interface
Buffer
Interface
Logic
To Panel
22.1.2 Features
The LCDC provides the following features:
• Support for single (non-split) screen monochrome or color LCD panels and self-refresh type LCD
panels
Freescale Semiconductor
Byte
DMA FIFO
Swap
Byte
FIFO
DMA
Swap
Non-
FRC
Color
Gray
Cursor
TFT
CSTN
FRC
Color
Buffer
CSTN
Figure 22-1. LCDC Block Diagram
MCF5329 Reference Manual, Rev 3
Data
Panning
Shifter
Background Plane
Data
Panning
Shifter
Graphic Window
4bpp
4bpp gray
Alpha
Gray
Blending
Interface
1/2bpp gray
Color
Color
Cursor
4/8bpp Color
256x18
LUT
4/8bpp Color
256x18
LUT
22-1