TW2802 datasheet(60/80 Pages) ETC

60 / 80 page

Preliminary

TW2804/TW2802 Multiple Video Decoder

Techwell, Inc.

www.techwellinc.com

Datasheet Rev. 2.4

09/09/2003

Miscellaneous Control Register

Index

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

0x3B

NVMD

ACTIVE_MODE[1:0]

CK27_POL IRQPOL

IRQRPT

Control the tri-state of output pin

Outputs are Tri-state (default)

Outputs are enabled

NVMD

Select the output mode of NVMD pin

Video loss flag (default)

Motion detection flag

ACTIVE_MODE

Select the output mode of ACTIVE pin

HACTIVE (default)

VACTIVE

Horizontal valid pixel indicator

Vertical valid line indicator

CK27_POL

Select the CLK27O polarity

ITU-R BT.656 data outputs at the rising edge of CLK27O (default)

ITU-R BT.656 data outputs at the falling edge of CLK27O

IRQPOL

Select the IRQ polarity

Active high (default)

Active low

IRQRPT

Select the IRQ mode

IRQ maintains the state until the interrupt request is cleared (default)

IRQ toggles the state at regular intervals until the interrupt request is

cleared

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