Osd Registers - Panasonic MN10285K User Manual

On-Screen Display

OSD Registers

MN102H75K/F75K/85K/F85K LSI User Manual
7.15 OSD Registers
All registers in OSD block cannot be written by byte (by word only). Read by
byte is possible.
CROMEND: Text ROM End Address Register
Bit: 15 14 13 12
— — — —
Reset: 0 0 0 0
R/W: R R R R
A[17:8] holds the programmable portion of the text ROM end address. The
low-order 8 bits of the address are always x'FF' and the high-order 6 bits
are always b'000010'. The available address range is x'0800FF' to
x'0BFFFF', with a programmable range from x'000' to x'3FF'.
0800FF
0BFFFF
GROMEND: Graphics ROM End Address Register
Bit: 15 14 13 12
— — — —
Reset: 0 0 0 0
R/W: R R R R
A[17:8] holds the programmable portion of the graphics ROM end
address. The low-order 8 bits of the address are always x'FF' and the high-
order 6 bits are always b'000010'. The available address range is
x'0800FF' to x'0BFFFF', with a programmable range from x'000' to
x'3FF'.
RAMEND: Text and Graphics RAM End Address Register
Bit: 15 14 13 12
GRAM GRAM GRAM GRAM GRAM
END END END END END
A11 A10 A9 A8 A7
Reset: 0 0 0 0
R/W: R/W R/W R/W R/W R/W
GRAMENDA[11:4] holds the programmable portion of the graphics RAM
end address and CRAMENDA[11:4] holds the programmable portion of
the text RAM end address. The low-order 4 bits of the address are always
x'F' and the high-order 4 bits are always x'9'. The available address range
203
Panasonic
11 10 9 8 7 6
— — A17 A16 A15 A14
0 0 0 0 0 0
R R R/W R/W R/W R/W
A17 A8
0000 10XX XXXX XXXX 1111 1111
Fixed Programmable
0000 1000 0000 0000 1111 1111
0000 1011 1111 1111 1111 1111
11 10 9 8 7 6
— — A17 A16 A15 A14
0 0 0 0 0 0
R R R/W R/W R/W R/W
11 10 9 8 7 6
GRAM GRAM GRAM CRAM CRAM
END END END END END
A6 A5 A4 A11 A10
0 0 0 0 0 0
R/W R/W R/W R/W R/W
Panasonic Semiconductor Development Company
x'007F00'
5 4 3 2 1
A13 A12 A11 A10 A9
0 0 0 0 0
R/W R/W R/W R/W R/W R/W
Fixed
x'007F02'
5 4 3 2 1
A13 A12 A11 A10 A9
0 0 0 0 0
R/W R/W R/W R/W R/W R/W
x'007F04'
5 4 3 2 1
CRAM CRAM CRAM CRAM CRAM CRAM
END END END END END END
A9 A8 A7 A6 A5
0 0 0 0 0
R/W R/W R/W R/W R/W R/W
0
A8
0
0
A8
0
0
A4
0