M306V7MG_15 Datasheet, PDF (218/300 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M306V7MG/MH/MJ/MJA-XXXFP, M306V7FG/FH/FJ/FJAFP
2.16.11 Automatic Solid Space Function
This function generates automatically the solid space (OUT1 or OUT2 blank output) of the character area
in the CC mode.
The solid space is output in the following area :
• the character area except character code “00916 ”
•the character area on the left and right sides
This function is turned on and off by bit 4 of the OSD control register 1 (refer to Figure 2.16.3).
OUT1 or OUT2 output is selected by bit 3 of the OSD control register 2.
Notes 1: When selecting OUT1 as solid space output, character background color with solid space
output is fixed to color palette 8 (black) regardless of setting.
2: When selecting any font except blank font as the character code “00916,” the set font is output.
Table 2.16.10 Setting for automatic solid space
Bit 4 of OSD control register 1
0
Bit 3 of OSD control register 2
0
1
0
RC17 of OSD RAM
0
1
0
1
0
1
OUT1 output signal
•Character font area •Character font area •Solid space area
•Character background •Character background
area
area
1
1
0
1
•Character font area
•Character background
area
OUT2 output signal
OFF
•Character
display area
OFF
•Character
display area
OFF
•Character
display area
•Solid
space
•Solid space
•Character
display area
When setting the character code “00516” as the character A, “00616” as the character B.
(OSD RAM)
005 009 009 009 006 006 ^{• • •} 006
16 16 16 16 16 16
16
(Display screen)
1st
2nd
character character
No solid space
output
•••
32nd character (in 32-character mode)
42nd character (in 42-character mode)
Figure 2.16.37 Display screen example of automatic solid space
Rev.1.00 May 18, 2004 page 216 of 296