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M37270MF Datasheet, PDF (60/94 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER  
MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Blocks 1 to16
b7
b0 b7
b0 b3
b0
RF7 RF6 RF5 RF4 RF3 RF2 RF1 RF0 RC17 RC16 RC15 RC14 RC13 RC12 RC11 RC10 RC23 RC22 RC21 RC20
Character code
Color code 1
Color code 2
CC mode
Bit
Bit name
Function
OSD mode
Bit name
Function
EXOSD mode
Bit name
Function
RF0
RF1
RF2
Specification of
Specification of
Specification of
RF3 Character code
Character code
Character code
character code in
character code in
character code in
RF4 (Low-order 8 bits)
(Low-order 8 bits)
(Low-order 8 bits)
OSD ROM
OSD ROM
OSD ROM
RF5
RF6
RF7
RC10 Character code
Character code
Character code
(High-order 1 bit)
(High-order 1 bit)
(High-order 1 bit)
RC11
Control of
0: Color signal output OFF
Control of
0: Color signal output OFF Character color code 0 Specification of
character color R 1: Color signal output ON character color R 1: Color signal output ON
(CC0) character color
RC12
Control of
Control of
Character color code 1
character color G
character color G
(CC1)
RC13
Control of
Control of
Character color code 2
RC14
character color B
OUT1 control
0: Character output
1: Background output
character color B
OUT1 control
0: Character output
1: Background output
(CC2)
OUT1 control 0: Character output
1: Background output
RC15
RC16
RC17
Flash control
Underline control
Italic control
0: Flash OFF
1: Flash ON
0: Underline OFF
1: Underline ON
0: Italic OFF
1: Italic ON
Control of
0: Color signal output OFF
character color I1 1: Color signal output ON
Not used
Extra code 0
Specification of
(EX0) extra code in OSD
Extra code 1
ROM
(EX1)
Extra code 2
(EX2)
RC20 Control of background 0: Color signal output OFF Control of background 0: Color signal output OFF Background color code 0 Specification of
color R
1: Color signal output ON color R
1: Color signal output ON
(BCC0) background color
RC21 Control of background
Control of background
Background color code 1
color G
color G
(BCC1)
RC22 Control of background
Control of background
Background color code 2
color B
color B
(BCC2)
RC23
Control of background
Extra code 3
Specification of
Not used
color I1
(EX3) extra code in OSD
Notes 1: Read value of bits 4 to 7 of the color code 2 is undefined.
2: For “not used” bits, the write value is read.
3: The decode value of the extra code is “EX4.”
ROM
Fig. 65. Structure of OSD RAM
60