M306V2 Mitsubishi, M306V2 Datasheet - Page 184

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

184
Figure 2.16.6 Display example of triple layer OSD
Figure 2.16.7 OSD control register 2
Display example of layer 1 = “HELLO,” layer 2 = “CH5”
Note: The logical sum (OR) of layer mixing is not OR of the color palette registers’ contents (color), but
OSD control register 2
Logical sum (OR) of
layer 1’s color and
layer 2’s color (See note)
OC17 = “0,” OC16 = “0”
b7
that of color pallet registers’ numbers (i).
Example) When the logical sum (OR) is performed on the color palettes 1 and 4;
b6 b5 b4 b3 b2 b1 b0
HELLO
the number 1 (0001
(0101
color palette register 5 is output in the ORed part, regardless of colors of color palettes
registers 1 and 4.
CH5
2
). That is, the contents (color) of color palette register 5 is output. The color of
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Bit symbol
OC20
OC21
OC22
OC23
OC24
OC25
OC26
OC27
Symbol
OC2
Layer 1’s color has priority
OC17 = “0”, OC16 = “1”
2
) and number 4 (0100
Display layer
selection bits
R, G, B signal output
selection bit
Solid space output bit 0: OUT1 output
Horizontal
window/blank control
bit
Window/blank
selection bit 1
(horizontal)
Window/blank
selection bit 2
(vertical)
OSD interrupt
request selection bit
Bit name
HELLO
CH5
Address
b1 b0
0: Digital output
1: Analog output (8 gradations)
1: OUT2 output
0: OFF
1: ON
0: Horizontal blank function
1: Horizontal window function
0: Vertical blank function
1: Vertical window function
0: At completion of layer 1 block display
1: At completion of layer 2 block display
0203
0
0
1
1
2
0
1
0
1
) are ORed and it results in the number 5
16
CC, OSDS/L/P, CDOSD
CC, OSDS/L/P
CC, OSDP, CDOSD
CC, OSDP
and ON-SCREEN DISPLAY CONTROLLER
Layer 2’s color has priority
OC17 = “1,” OC16 = “0”
Function
Layer 1
MITSUBISHI MICROCOMPUTERS
When reset
HELLO
M306V2ME-XXXFP
00
16
CH5
CDOSD
OSDS/L
CDOSD
OSDS/L
Layer 2
M306V2EEFP
R W
Rev. 1.0