M37271MF-XXXSP datasheet(49/97 Pages) MITSUBISHI

Part #	M37271MF-XXXSP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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MITSUBISHI MICROCOMPUTERS

M37271MF-XXXSP

M37271EF-XXXSP, M37271EFSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

49

Fig. 51. Block diagram of OSD control circuit

Display

oscillation

circuit

OSC1 OSC2

HSYNC VSYNC

RAM for OSD

20-bit ! 40 !16

Data bus

RAM for OSD

(16-bit!20!320) +

16-bit!26!32)

Shift register 2

16-bit

Shift register 1

16-bit

Data slicer clock

Clock for OSD

Output circuit

R

G

B

I1

I2

OSD Control circuit

OUT1 OUT2

Control registers for OSD

(address 00CE16)

(address 00CF16)

(addresses 00D016 to 00DF16)

(address 021616)

(address 021716)

(address 021816)

(address 021916)

(address 021B16)

(addresses 021C16 to 021F16)

(addresses 022016 to 023F16)

OSD control register

Horizontal position register

Block control registers

Clock source control register

I/O polarity control register

Raster color register

Extra font color register

Border color register

Window H/L registers

Vertical registers

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M37271MF-XXXSP Datasheet(PDF) 49 Page - Mitsubishi Electric Semiconductor

M37271MF-XXXSP Datasheet(HTML) 49 Page - Mitsubishi Electric Semiconductor

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