M37274EFSP datasheet(67/148 Pages) RENESAS

Part #	M37274EFSP

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

PDF	148 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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67 / 148 page

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

and ON-SCREEN DISPLAY CONTROLLER

M37274EFSP

PRELIMINARY

Notice:

This

is not

a final

specification.

Some

paramentic

limits

are

subject

to change.

MITSUBISHI MICROCOMPUTERS

Fig. 63. Block Diagram of OSD Circuit

HSYNC VSYNC

RAM for OSD

20 bytes !40 characters !16 lines

Data bus

ROM for OSD

(16 dots! 20 dots! 256 characters) +

16 dots! 26 dots! 16 characters)

Shift register 2

16-bit

Shift register 1

16-bit

Clock for OSD

Output circuit

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 position registers

Display

oscillation

circuit

OSC1 OSC2

Data slicer clock

Oscillation circuit

XIN

XOUT

Main clock

M37274EFSP Datasheet(PDF) 67 Page - Renesas Technology Corp

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