Altera Video and Image Processing Suite User Manual
Page 103
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