M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
8.10 OSD FUNCTIONS
Table 8.10.1 outlines the OSD functions.
This microcomputer incorporates an OSD circuit of 32 characters ✕
2 lines. There are also 3 display modes which are selected in block
units. The display modes are selected by bits 0 and 1 of block con-
trol register i (i = 1 and 2).
The features of each mode are described below.
Table 8.10.1 Features of Each Display Mode
Display mode
Parameter
OSD1 mode
OSD2 mode
CD OSD mode
(On-screen display 1 mode)
(On-screen display 2 mode)
(Color dot on screen display mode)
Number of display characters
32 characters ✕ 2 lines
16 ✕ 20 dots
16 ✕ 26 dots
Dot structure
16 ✕ 20 dots
(Character display area : 16 ✕ 20 dots)
Kinds of characters
254 kinds
62 kinds
8 kinds
1 kinds
8 kinds
Kinds of character sizes
Pre-divide ratio (See note)
Dot size
✕ 2 (fixed)
✕ 2, ✕ 3
✕ 2, ✕ 3
1TC ✕ 1/2H, 1TC ✕ 1H, 2TC ✕ 2H, 3TC ✕ 3H
1TC ✕ 1/2H, 1TC ✕ 1H, 2TC ✕ 2H, 3TC ✕ 3H
1TC ✕ 1/2H
Smooth italic, under line, flash
Border (black)
Dot coloring
Attribute
Character font coloring
1 screen : 8 kinds (per character unit)
1 screen : 8 kinds (per dot unit)
1 screen : 8 kinds
(per character unit)
1 screen : 8 kinds
(per character unit)
Character background coloring
OSD output
Raster coloring
Function
R, G, B
Possible (per character unit)
Auto solid space function
Window function
Display position
Horizontal: 128 levels, Vertical: 512 levels
Possible
Display expansion (multiline display)
Note : The character size is specified with dot size and pre-divide ratio (refer to 8.10.2 Dot Size).
Rev.1.00 2003.11.25 page 50 of 128
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