Denso RC5 Specifications download pdf (Page 43)

6.1.2 Block Diagram and Internal Configuration of µ

µµ

µVision Board

Block Diagram of µ

µµ

µVision Board

The above figure illustrates the processing flow of the µVision board as a reference.

The actual circuit configuration is different from this diagram.

Camera selector Switches between camera 1 and 2.

A/D Converts analog signals into digital signals (8-bit).

Monitor selector

Selects whether to display the camera live image or static image

on the monitor.

LT Converts 8-bit data values using the appropriate table.

Overlay circuit

Overlays a drawn image, which is stored in the dedicated drawn

image memory, on the camera live image or static image (see the

figure given on the next page).

D/A Converts digital data into analog signals.

Image storage

memory

Stores camera live images. When outputted onto the monitor

screen, those images will be handled as static images. Up to four

screens can be stored on this board.

Dedicated drawn

image memory

Stores drawn images of characters and figures. Those images

can be displayed on the monitor screen via the overlay circuit. Up

to two screens can be stored on this board.

Image processing

circuit

Processes images.

CPU Manages the entire system.

Camera 1

Camera 2

Animation

(camera image)

Selec-

tor

Overlay circuit

(superpose)

Monito

Image storage

memory

(4 processed

screens)

Static image

(image memory)

Drawn image

Image

processing

circuit

Dedicated drawn image

memory (2 screens)

Selecto

A/D D/ALT LT

CPU

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 137 138

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Denso RC5 Specifications Page 43

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