M306V2 Mitsubishi, M306V2 Datasheet - Page 180

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

180
Figure 2.16.2 Block diagram of OSD circuit
Data bus
Data slicer clock
32 dots
19 bits
16 dots
OSD ROM (character font) (See note 2)
Clock for OSD
16 dots
24 dots
OSD ROM (color dot font)
OSC1 OSC2
OSD RAM (See note 1)
oscillation
OSD control circuit
Display
OSD RAM (SPRITE)
circuit
20 dots
32 characters
94 characters
26 dots
20 dots
32 dots
Shift register
Shift register
Shift register
Shift register
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
4 planes
254 characters
254 characters
H
4 planes
SYNC
16 lines
V
SYNC
2 lines
SPRITE OSD control register
OSD control register 1
OSD control register 2
Horizontal position register
Clock control register
I/O polarity control register
OSD control register 3
Raster color register
Top border control register
Bottom border control register
Block control register i
Vertical position register i
Color palette register i
OSD reserved register i
OSD control register 4
Left border control register
Right border control register
SPRITE vertical position register i
SPRITE horizontal position register
Notes 1: In 42 character-mode, 19 bits
2: In OSDL disable mode, 16 dots
R
Control register for OSD
and ON-SCREEN DISPLAY CONTROLLER
G
Output circuit
MITSUBISHI MICROCOMPUTERS
B
M306V2ME-XXXFP
OUT1
(address 0201
(address 0202
(address 0203
(address 0204
(address 0205
(address 0206
(address 0207
(addresses 0209
(addresses 020D
(addresses 020F
(addresses 0210
(addresses 0220
(addresses 0240
(addresses 025D
(address 025F
(addresses 0271
(addresses 0273
(addresses 0274
(addresses 0279
42 characters
M306V2EEFP
20 dots
OUT2
027B
16
16
16
16
16
16
16
16
762 characters.
)
)
)
)
)
)
)
)
16
16
16
16
16
16
16
16
16
16
16
16
, 0208
, 0270
, 0272
, 0278
, 020E
, 020C
to 021F
to 023F
to 025B
to 0277
to 027C
to 027A
16 lines
16
16
16
16
16
16
)
16
16
)
)
16
)
16
)
16
16
)
Rev. 1.0
)
)
)
)
,
)