SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 25

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

Multiple Function Pin Descriptions
SPC8106
411-1.0
Pin Name
LCAS#, LWE# LCAS#
UCAS#, CAS# UCAS#
WE#, UWE#
OL0, P320, B0 OL0
OL1, P32I, G0 OL1
OL23, R0
P[0:3]
P[4:7]
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Function
LWE#
CAS#
WE#
UWE#
P320
B0
P32I
G0
OL23
R0
P[0:3}
UD[4:7}
P[4:7]
LD[4:7]
MD Line Status
MD6 = 1
MD6 = 0
MD6 = 1
MD6 = 0
MD[6] = 1
MD[6] = 0
MD[13] = 0
AUX[00] b6=0
MD[13] = 1
MD[14] = 1
MD[13] = 0
AUX[00] b6=1
MD[13] = 0
AUX[00] b6=0
MD[13] = 1
MD[14] = 1
MD[13] = 0
AUX[00] b6=1
MD[13] = 0
AUX[00] b6=0
MD[13] = 0
AUX[00] b6=1
MD[7] = 1
MD[7] = 0
MD[7] = 1
MD[7] = 0
Functional Description
DRAM Column Address
Strobe (Low Byte)
DRAM Write Strobe (Low Byte)
DRAM Column Address
Strobe (High Byte)
DRAM Column Address Strobe
DRAM Write Strobe
DRAM Write Strobe
Overlay Bit 0. Used for CRT
HW Cursor/Sprite support.
32 kHz Clock Output. Used with
external RC when using
external PDCLK support
Data bit B0 for 12-bit TFT
support
Overlay Bit 1. Used for CRT
HW Cursor/Sprite support
32 kHz Clock Input. Used with
external RC when using
external PDCLK support
Data bit G0 for 12-bit TFT
support
Overlay Bit 2. Used for CRT
HW Cursor/Sprite support.
Data bit R0 for 12-bit TFT
support
Lower nibble of the CRT pixel
data outputs
Upper nibble of the 16-bit LCD
mode upper panel data
Upper nibble of the CRT pixel
data outputs
Upper nibble of the 16-bit LCD
mode lower panel data
(High Byte)
Data Sheet
DS-19