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Hardware Functional Specification S1D13505
Issue Date: 01/02/02 X23A-A-001-14
1 Introduction
1.1 Scope
This is the Hardware Functional Specification for the S1D13505 Embedded RAMDAC LCD/CRT
Controller. Included in this document are timing diagrams, AC and DC characteristics, register
descriptions, and power management descriptions. This document is intended for two audiences:
Video Subsystem Designers and Software Developers.
This specification will be updated as appropriate. Please check the Epson Electronics America
Website at http://www.eea.epson.com or the Epson Research and Development website at
http://www.erd.epson.com for the latest revision of this document before beginning any devel-
opment.
We appreciate your comments on our documentation. Please contact us via email at
documentation@erd.epson.com.
1.2 Overview Description
The S1D13505 is a color/monochrome LCD/CRT graphics controller interfacing to a wide range of
CPUs and display devices. The S1D13505 architecture is designed to meet the low cost, low power
requirements of the embedded markets, such as Mobile Communications, Hand-Held PCs, and
Office Automation.
The S1D13505 supports multiple CPUs, all LCD panel types, CRT, and additionally provides a
number of differentiating features. Products requiring a “Portrait” mode display can take advantage
of the SwivelView™ feature. Simultaneous, Virtual and Split Screen Display are just some of the
display modes supported, while the Hardware Cursor, Ink Layer, and the Memory Enhancement
Registers offer substantial performance benefits. These features, combined with the S1D13505’s
Operating System independence, make it an ideal display solution for a wide variety of applications.