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Epson Research and Development Page 15
Vancouver Design Center
Hardware Functional Specification S1D13708
Issue Date: 02/03/07 X39A-A-001-02
1 Introduction
1.1 Scope
This is the Hardware Functional Specification for the S1D13708 Embedded Memory LCD
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.
For additional documentation related to the S1D13708 see Section 20, “References” on
page 217.
This document is updated as appropriate. Please check the Epson Research and
Development Website at www.erd.epson.com for the latest revision of this document
before beginning any development.
We appreciate your comments on our documentation. Please contact us via email at
documentation@erd.epson.com.
1.2 Overview Description
The S1D13708 is a color/monochrome LCD graphics controller with an embedded 80K
byte SRAM display buffer. While supporting all other panel types, the S1D13708 also
directly interfaces to a variety of TFT products, thus removing the requirement of an
external Timing Control IC. This high level of integration provides a low cost, low power,
single chip solution to meet the demands of embedded markets such as Mobile Communi-
cations devices, and Palm-size PCs where board size and battery life are major concerns.
The S1D13708 utilizes a guaranteed low-latency CPU architecture providing support for
microprocessors without READY/WAIT# handshaking signals. The 32-bit internal data
path provides high performance bandwidth into display memory allowing for fast screen
updates.
Products requiring a rotated display image can take advantage of the SwivelView
TM
feature
which provides hardware rotation of the display memory transparent to the software appli-
cation. The S1D13708 also provides support for Virtual screen sizes and Picture-in-Picture
Plus (variable size Overlay window).
The S1D13708’s impartiality to CPU type or operating system makes it an ideal display
solution for a wide variety of applications.