Vram; Vram Operation; Vram Bit Allocation In Internal Ram; Panasonic - Panasonic MN10285K User Manual

On-Screen Display

VRAM

Table 7-7 VRAM Bit Allocation in Internal RAM
Text layer
15
CC 0
Character code
COL (normal mode)
1
Color control code
COL (closed-caption mode) 1
Color control code
CCB 0
Repeat character/blank code
CHP 1
Character H position control
CVP
1
Character V position control
Graphics layer
15
GTC
0
Graphic tile code
ID code
GHP 1
Graphics H position control
GVP 1
Graphics V position control
* Don't-care bits
MN102H75K/F75K/85K/F85K LSI User Manual
7.8 VRAM
7.8.1

VRAM Operation

14 13 12 11
0 * * *
ID code
0 * BSHAD1 BSHAD0 CSHAD FRAME BLINK BCOL3 BCOL2 BCOL1 BCOL0 CCOL3 CCOL2 CCOL1 CCOL0
ID code Box shadow
0 * * CUNDL ITALIC FRAME BLINK BCOL3 BCOL2 BCOL1 BCOL0 CCOL3 CCOL2 CCOL1 CCOL0
ID code Underline Italics
1 * * *
ID code
1 * CHSZ1 CHSZ0
ID code H size
1 CLAST CVSZ1 CVSZ0
Last line
ID code V size Interrupt
flag
14 13 12 11
GCBF GCB3 GCB2 GCB1
Blank/
Number of blank/tile repetitions
tile
1 * GHSZ1 GHSZ0 GSHT
ID code H size
1 GLAST GVSZ1 GVSZ0
Last line
ID code V size Interrupt
flag
Text Layer
CC: Character Code
CCH[9:0]
Specifies the address of one of 1024 characters stored in the ROM.
COL: Color Control Code (Normal Mode)
BSHAD[1:0]
Specifies shadowing of the character box for a 3D button effect.
00: Disable
01: Disable
10: Upper left white and lower right black shadows
11: Upper left black and lower right white shadows
CSHAD
Specifies character shadowing for a 3D effect.
0: Disable
1: Enable
FRAME
Specifies character outlining (black).
0: Disable
1: Enable

Panasonic

10 9 8 7 6
* CCH9 CCH8 CCH7 CCH6
Character address (1024 characters)
Char.
Outline Blink Background color (16 colors)
shadow
Outline Blink Background color (16 colors)
* * * * *
CSHT CHP9 CHP8 CHP7 CHP6
Shutter H display start position (1 dot resolution, 1024 steps)
CINT CVP9 CVP8 CVP7 CVP6
V display start position (1 H scan line resolution, 1024 steps)
10 9 8 7 6
GCB0 GPRT GTC8 GTC7 GTC6
Palette
select
GHP9 GHP8 GHP7 GHP6
Shutter H display start position (1 dot resolution, 1024 steps)
GINT GVP9 GVP8 GVP7 GVP6
V display start position (1 H scan line resolution, 1024 steps)
Panasonic Semiconductor Development Company
165
5 4 3 2 1
CCH5 CCH4 CCH3 CCH2 CCH1
Character color (16 colors)
Character color (16 colors)
* CCBF CCB3 CCB2 CCB1
Blank/
Number of blank/char. repetitions
char.
CHP5 CHP4 CHP3 CHP2 CHP1
CVP5 CVP4 CVP3 CVP2 CVP1
5 4 3 2 1
GTC5 GTC4 GTC3 GTC2 GTC1
Graphic tile address (512 tiles)
GHP5 GHP4 GHP3 GHP2 GHP1
GVP5 GVP4 GVP3 GVP2 GVP1
ID Code: 00
ID Code: 10
0
CCH0
CCB0
CHP0
CVP0
0
GTC0
GHP0
GVP0