SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 9

• Manufacturer Part Number: SPC8106
• Description: LCD/CRT VGA CONTROLLER
• Manufacturer: S-MOS Systems

The SPC8106 is a versatile mixed voltage VGA graphics controller capable of driving liquid crystal
displays, TFT displays and analog CRT monitors. The controller integrates all LCD interface,
sequencing and color modulation logic into one small form factor 144 pin package. With the addi-
tion of an industry standard ’477 compatible RAMDAC, the SPC8106 will also drive a VGA fixed
frequency or multifrequency monitor.
The target products for this device are price and power sensitive 80x86 microprocessor based
portable personal computer or other specialized LCD systems where 320 x 200 to 640 x 480 x
256 color LCD panel displays are the major design criteria.
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SPC8106
Low-power CMOS technology
Hardware VGA compatible
8- or 16-bit ISA support
Supports one 256K x 16 80ns DRAM (self refresh
optional)
64 x 64 x 2-bit pixel hardware cursor
Two-terminal crystal or external oscillator support
Hardware or software power-down
Video BIOS, software driver and utility support
144-pin QFP package
DESCRIPTION
FEATURES
SYSTEM BLOCK DIAGRAM
411-1.0
BUS
ISA
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
3.3V or 5V
SPC8106
CLOCKS
DRAM
3.3V or 5V
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9- or 12-bit color TFT panel interface for 640 x 480
Single panel or dual panel interface
for sizes 320 x 200 to 640 x 480
On-chip 256 x 12-bit look-up table
16 gray shades or 4096 colors by FRM
64 gray shades by FRM and dithering
Two programmable gray-scale weightings:
NTSC and Green-Only
Vertical centering and expansion for LCDs
Full CRT support with ’477 compatible RAMDAC
Pin Compatible with the SPC8108F
Mixed voltage 3.3V/5V operation
3.3 V
or 5V
3.3V or 5V
RAMDAC
MONOCHROME
LCD PANEL
ANALOG
CRT
0C
Data Sheet
DS-3