SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 60
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SPC8106
Manufacturer Part Number
SPC8106
Description
LCD/CRT VGA CONTROLLER
Manufacturer
S-MOS Systems
Datasheet
1.SPC8106.pdf
(432 pages)
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Hardware Functional Specification
Pin Name
RAS#
LCAS#
(LWE#)
UCAS#
(CAS#)
WE#
(UWE#)
Pin Name
CLKI1
CLKO1
CLKI2
CLKO2
Pin Name
YD
LP
XSCL
SP1-18
S-MOS Systems, Inc. • Tel: (408) 922-0200 • Fax: (408) 922-0238 • http://www.smos.com
Type
O
O
O
O
Type
I
O
I
O
Type
O
O
O
*
*
*
*
*
*
*
Pin #
59
62
60
61
Pin #
90
91
86
87
Pin #
10
13
12
Table 0-2 Video Memory Interface Pins (Continued)
Drv
TS3
(* C)
TS3
(* C)
TS3
(* C)
TS3
(* C)
Drv
C
•
C
•
TS4
(* C)
TS4
(* C)
TS4
(* C)
Drv
Table 0-4 LCD Panel Interface Pins
Description
DRAM Row Address Strobe for single 256Kx16 DRAM.
Multiple Function:
Multiple Function:
Multiple Function:
Table 0-3 Clock Input Pins
Description
Vertical Scanning Start Pulse output. A logic 1 on this signal, sampled
by the LCD module on the falling edge of LP, is used by the panel row
drivers (Y drivers) to indicate the start of the vertical frame.
Latch Pulse output. The falling edge of this signal is used to latch a
row of display data in the LCD module’s column driver shift registers
and to turn on the row driver (Y driver) for that line.
Shift Clock for LCD data. Display data is clocked out of the chip on the
rising edge of this signal, to be shifted into the LCD panel module
column drivers (X drivers) on each falling edge.
Description
This pin, along with CLKO1 is the 25.175 MHz 2-terminal crystal
interface when using a 2-terminal crystal as the clock input. If an
external oscillator is used as a clock source, then this pin is the clock
input.
This pin, along with CLKI1 is the 25.175 MHz2-terminal crystal
interface when using a 2-terminal crystal as the clock input. If an
external oscillator is used as a clock source, then this pin should be
left unconnected.
This pin, along with CLKO2 is the 28.322 MHz 2-terminal crystal
interface when using a 2-terminal crystal as the clock input. If an
external oscillator is used as a clock source, then this pin is the clock
input.
This pin, along with CLKI2 is the 28.322 MHz 2-terminal crystal
interface when using a 2-terminal crystal as the clock input. If an
external oscillator is used as a clock source, then this pin should be
left unconnected.
DRAM Column Address Strobe for low byte (LCAS#).
For alternate function see “Multiple Function Pin Descriptions” on
page 23.
DRAM Column Address Strobe for high byte (UCAS#).
For alternate function see “Multiple Function Pin Descriptions” on
page 23.
DRAM Write Enable Strobe (WE#).
For alternate function see “Multiple Function Pin Descriptions” on
page 23.
X12-SP-001-07
a
411-1.0
SPC8106
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