Altera Video and Image Processing Suite User Manual

Page 103

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Address

Register

Description

2

Interrupt

Bits 2 and 1 are the interrupt status bits:
• When bit 1 is asserted, the status update interrupt has

triggered.

• When bit 2 is asserted, the locked interrupt has triggered.

• The interrupts stay asserted until a 1 is written to these

bits.

3

Video Mode Match

One-hot register that indicates the video mode that is selected.

4

Bank Select

Selects which mode bank will be accessed by the proceeding

writes. One-hot register with up to 16 banks available.

5

ModeX Control

Video Mode 1 Control.
• Bit 0 of this register is the Interlaced bit:

• Set to 1 for interlaced. Set to 0 for progressive.

• Bit 1 of this register is the sequential output control bit

(only if the Allow output of color planes in sequence

compile-time parameter is enabled).
• Setting bit 1 to 1, enables sequential output from the

CVO IP core (NTSC). Setting bit 1 to a 0, enables

parallel output from the CVO IP core (1080p).

6

Mode1 Sample Count

Video mode 1 sample count. Specifies the active picture width

of the field.

7

Mode1 F0 Line Count

Video mode 1 field 0/progressive line count. Specifies the

active picture height of the field.

8

Mode1 F1 Line Count

Video mode 1 field 1 line count (interlaced video only).

Specifies the active picture height of the field.

9

Mode1 Horizontal

Front Porch

Video mode 1 horizontal front porch. Specifies the length of

the horizontal front porch in samples.

10

Mode1 Horizontal

Sync Length

Video mode 1 horizontal synchronization length. Specifies the

length of the horizontal synchronization length in samples.

11

Mode1 Horizontal

Blanking

Video mode 1 horizontal blanking period. Specifies the length

of the horizontal blanking period in samples.

12

Mode1 Vertical Front

Porch

Video mode 1 vertical front porch. Specifies the length of the

vertical front porch in lines.

13

Mode1 Vertical Sync

Length

Video mode 1 vertical synchronization length. Specifies the

length of the vertical synchronization length in lines.

14

Mode1 Vertical

Blanking

Video mode 1 vertical blanking period. Specifies the length of

the vertical blanking period in lines.

4-44

Clocked Video Interface Control Registers

UG-VIPSUITE

2015.05.04

Altera Corporation

Clocked Video Interface IP Cores

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