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Clocked video interface control registers, Clocked video interface control registers -36 – Altera Video and Image Processing Suite User Manual

Page 95

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Signal

Direction

Description

vid_trs

Output

Clocked video time reference signal (TRS) signal. Used

with the SDI IP core to indicate a TRS, when asserted.
Note: For embedded synchronization mode only.

vid_v

Output

Clocked video vertical blanking signal. This signal is

asserted during the vertical blanking period of the video

stream.
Note: For separate synchronization mode only.

vid_v_sync

Output

Clocked video vertical synchronization signal. This signal

is asserted during the vertical synchronization period of

the video stream.
Note: For separate synchronization mode only.

Clocked Video Interface Control Registers

Table 4-20: Clocked Video Input Registers

Address

Register

Description

0

Control

• Bit 0 of this register is the

Go

bit:

• Setting this bit to 1 causes the CVI IP core start data

output on the next video frame boundary.

• Bits 3, 2, and 1 of the

Control

register are the interrupt

enables:
• Setting bit 1 to 1, enables the status update interrupt.

• Setting bit 2 to 1, enables the stable video interrupt.

• Setting bit 3 to 1, enables the synchronization outputs

(

sof

,

sof_locked

,

refclk_div

).

4-36

Clocked Video Interface Control Registers

UG-VIPSUITE

2015.05.04

Altera Corporation

Clocked Video Interface IP Cores

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