MFC2000 datasheet(199/426 Pages) ETC

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Hardware Description

MFC 2000 Multifunctional Peripheral Controller 2000

100723A

Conexant

7-51

VESA VIP

• Dummy byte/ invalid pixel code: 00 (between SAV and EAV)

• Number of pixels per line is not restricted to 720

• The most significant bit of XY byte is called task bit (T-bit), which can be 1 or 0.

Convention

• F = 0 (Field = 1) is an odd field

• F = 1 (Field = 2) is an even field

• Odd field is the top field

• Even field is the bottom field

7.3.1

Function Description

Pins connection to external video capture device:

Video

Capture

MFC2000

data[7:0]

clk

EV_VD[7:0] /EADC_D[11:4]

EV_CLK

Figure 7-29. Connection to External Video Capture Device

7.3.2

Name/Address

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default

Video Capture

Control

(VidCaptureCtrl)

$01FF8549

(Not Used)

Video Error

(read only)

Rst. Value

xxxxxxx0b

Read Value

00h

Name/Address

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default

Video Capture

Control

(VidCaptureCtrl)

$01FF8548

(Not Used)

Start

Capture

Rst. Value

xxxxxxx0b

Read Value

00h

Bit 8

Video Error

This status bit indicates that error has been detected in capturing the

video signal. The error is detected based on the line length

comparison between the specified number of bytes per line (i.e., the

value in VideoLineCfg register) to the actual number of bytes

captured. If any line within a frame does not match VideoLineCfg

At the beginning of the next video capture, this error bit will be cleared.

Bit 0

Start Capture

By setting this bit, the hardware will start the process of capturing a

frame of video data. Once a complete frame has been captured, the

hardware will clear this bit. The status of capturing process can be

known by reading this bit. Reading a 1 indicates that the hardware is

busy.

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