F65510

Manufacturer Part NumberF65510
DescriptionControllers, Flat Panel VGA Controller
ManufacturerIntel Corporation
F65510 datasheet
 


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®
CGA / HERCULES COLOR SELECT
REGISTER (XR7E)
Read/Write at I/O Address 3B7h/3D7h
Index 7Eh
D7 D6 D5 D4 D3 D2 D1 D0
Color bit-0 (Blue)
Color bit-1 (Green)
Color bit-2 (Red)
Color bit-3 (Intensity)
Intensity Enable
Color Set Select
Reserved (0)
This I/O address is mapped to the same register as
I/O address 3D9h. This alternate mapping effec-
tively provides a color select register for Hercules
mode. Writes to this register will change the copy
at 3D9h. The copy at 3D9h is visible only in CGA
emulation or when the extension registers are
enabled. The copy at XR7E is visible when the
extension registers are enabled.
5-0
See register 3D9
7-6
Reserved (0)
Revision 0.7
DIAGNOSTIC REGISTER (XR7F)
Read/Write at I/O Address 3B7h/3D7h
Index 7Fh
D7 D6 D5 D4 D3 D2 D1 D0
0
3-State Control Bit 0
0 Normal outputs (default on Reset)
1 3-state output pins: P7-0, FLM, LP,
ACDCLK, SHFCLK, RDY, and
BLANK/.
1
3-State Control Bit 1
0 Normal outputs (default on Reset)
1 3-state output pins: RAS/, CASL/,
CASH/, WE/, and MA0-8.
5-2
Test Function
These bits are used for internal testing of
the chip when bit-6 = 1.
6
Test Function Enable
This bit enables bits 5-2 for internal testing.
0 Disable test function bits (default)
1 Enable test function bits
7
Special Test Function
This bit is used for internal testing and
should be set to 0 (default to 0 on reset) for
normal operation.
107
Extension Registers
3-state Control
Test Function
Test Function Enable
Special Test Function
Preliminary 65510