SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 282

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

1.2
The SDU8104B0C Rev. 1.0 directly supports the 16-bit ISA-Bus architecture. The SPC8104F0A
has 6 configurable inputs (MD[6:5], MD[3:0]) which are read on power-up. For the purpose of this
design, MD[6:5] are factory set and therefore not configurable.
Configuration DIP Switch Settings
LCD Panel Configuration
The BIOS configuration for different LCD panels is handled through the state of the MD lines dur-
ing RESET. The following tables describes the settings and the associated panel type.
SDU8104B
EV2-6
The polarity of the Dip-Switch is defined as (Closed = ’0’ or ’low’).
External 100 K ohm pull-ups have been added to MD[6:5].
MD6 = ’high’ = symmetrical DRAM support
MD5 = ’high’ = LCD Signal state = ’low’ in Power Save Modes
Switch
SW1-1
SW1-2
SW1-3
SW1-4
Pin Name
MD0
MD1
MD2
MD3
Installation and Configuration
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
0C
Rev 1.1 ISA Bus Evaluation Board
Signal
MD0
MD1
MD2
MD3
B0 of panel table
B1 of panel table
B2 of panel table
B3 of panel table
Configuration Pin Functionality
LCD Panel Config bit 0
LCD Panel Config bit 1
LCD Panel Config bit 2
LCD Panel Config bit 3
Closed
see table below
see table below
see table below
see table below
Open
412-1.0
SPC8104