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X27A-C-001-04 1
GRAPHICS
S1D13705
ENERGY
SAVING
EPSON
February 2001
S1D13705 Embedded Memory LCD Controller
The S1D13705 is a color/monochrome LCD graphics controller with an embedded 80K Byte SRAM
display buffer. The high integration of the S1D13705 provides a low cost, low power, single chip solution
to meet the requirements of embedded markets such as Office Automation equipment, Mobile Commu-
nications devices, and Palm-size PCs where board size and battery life are major concerns.
Products requiring a “Portrait” display can take advantage of the Hardware Portrait Mode feature of the
S1D13705. Virtual and Split Screen are just some of the display modes supported. While focusing on
devices targeted by the Microsoft Windows CE Operating System, the S1D13705’s impartiality to CPU
type or operating system makes it an ideal display solution for a wide variety of applications.
■ FEATURES
■ SYSTEM BLOCK DIAGRAM
• Embedded 80K byte SRAM display buffer.
• Direct support for the following CPU’s:
Hitachi SH-3.
Hitachi SH-4.
Motorola M68xxx.
MPU bus interface with programmable
READY.
• Resolutions up to:
640x480 at a color depth of 2 bpp.
640x240 at a color depth of 4 bpp.
320x240 at a color depth of 8 bpp.
• Up to 256 simultaneous colors from a possible
4096 colors on passive LCD panels and active
matrix TFT/D-TFD LCD panels.
• Register level support for EL panels.
• Hardware Portrait Mode
• Split Screen Display
• Virtual Display Support
• LCD power-down sequencing.
S1D13705
Flat Panel
Data and
CPU
Control Signals
Digital Out