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On-Screen Display
OSD Registers
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
209
Panasonic
OSD2: OSD Register 2 x’007F08’
SPEXT: Cursor extended mode select
0: Standard mode (16 x 16 pixels)
1: Extended mode (32 x 32 pixels)
GTHT: Graphic tile height select
0: 16 pixels high
1: 18 pixels high
GEXTE: Graphics maximum tiles per line select
0: Maximum 18 tiles
1: Maximum 28 tiles
Setting the YSPLT bit of OSD1
to 1 disables the PRYM bit. With
this setting, you must also set
the TRPT and TRPTF bits to 1.
You can specify transparency for
individual color palettes if
needed.
PRYM: Translucent color control (YM, YS)
0: Normal YS output
1: Don’t output YS during YM output (when the YM color code is not 0)
TRPTF: Translucency control (all layers)
Specifies translucency for color 15 in all palettes.
0: Make color 15 on all palettes translucent
1: Output color 15 as specified
TRPT: Transparency control (all layers)
Specifies transparency for color 0 in all palettes.
0: Make color 0 on all palettes transparent
1: Output color 0 as specified
GCOL[1:0]: Graphics color mode
00: 16-color mode 10: 4-color mode
01: 8-color mode 11: 2-color mode
COLB: Color background control
0: Don’t output color background
1: Output color background
You cannot set VCLK[2:0] to 100
(don’t divide) when the OSC
clock is selected. Only select it
when the clock source is 32
MHz or less.
VCLK[2:0]: VCLK clock select
Divide-by ratio select. The values in parentheses ( ) are applicable when the
oscillator in the OSD1 register is set to the OSC clock (OSCSEL[1:0] = 00).
000: Divide by 4 (12 MHz) 100: Don’t divide (48 MHz)
001: Divide by 3 (16 MHz) 101: Reserved
010: Divide by 2 (24 MHz) 110: Reserved
011: 2/3 division (32 MHz) 111: Reserved
CGPR: Graphics/text layer priority
0: Graphics layer takes priority
1: Text layer takes priority
SOUT/GOUT/COUT: Layer output on/off
SOUT: cursor layer; GOUT: graphics layer; COUT: text layer
0: Don’t output layer
1: Output layer
Bit:1514131211109876543210
SPEX
T
GTHT GEXTE PRYM TRPTF TRPT
GCOL
1
GCOL
0
COLB
VCLK
2
VCLK
1
VCLK
0
CGPR SOUT GOUT COUT
Reset:0000000000000000
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W