SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 130
SPC8106
Manufacturer Part Number
SPC8106
Description
LCD/CRT VGA CONTROLLER
Manufacturer
S-MOS Systems
Datasheet
1.SPC8106.pdf
(432 pages)
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Vertical Total End (Index 06h)
CRTC Overflow (Index 07h)
bits 7-5, 3, 2, 0
Maximum Scan Line (Index 09h)
bits 7-6
Cursor Start (Index 0Ah)
bit 7
Cursor End (Index 0Bh)
bits 6-5
Vertical Retrace Start (Index 10h)
VRTC End (Index 11h)
bit 6
Vertical Display Enable End (Index 12h)
Underline Location (Index 14h)
bit 5
Vertical Blanking Start (Index 15h)
Vertical Blanking End (Index 16h)
Hardware Functional Specification
SP1-88
S-MOS Systems, Inc. • Tel: (408) 922-0200 • Fax: (408) 922-0238 • http://www.smos.com
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
IBM Test Bit
Deleted.
Cursor Skew
Read/write only. No other effect in hardware.
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
3/5 Refresh
Read/write only. No other effect in hardware.
For LCD/CRT or Doublescan modes, if AUX[00] bit 0 = 1 then this register accesses the LCD Verti-
cal Panel Size Register.
For LCD only modes (not Doublescan) and AUX[00] bit 0 = 0, this register is read/write only. No
other effects in hardware.
For CRT or Doublescan modes and AUX[00] bit 0 = 0, normal VGA function.
Count-by-4
Read/write only. No other effect in hardware.
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
For LCD-only modes (AUX[0B] bits 1,0 = 01) - Read/write only. No other effect in hardware.
For CRT or Doublescan modes, normal VGA functionality.
X12-SP-001-07
411-1.0
SPC8106
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