Altera Video and Image Processing Suite Instrukcja Użytkownika Strona 97

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Address Register Description
7 Total Sample Count The detected sample count of the video streams including
blanking.
8 F0 Total Line Count The detected line count of the video streams F0 field including
blanking.
9 F1 Total Line Count The detected line count of the video streams F1 field including
blanking.
10 Standard The contents of the vid_std signal.
11 SOF Sample Start of frame line register. The line upon which the SOF
occurs measured from the rising edge of the F0 vertical sync.
12 SOF Line SOF line register. The line upon which the SOF occurs
measured from the rising edge of the F0 vertical sync.
13 Refclk Divider Number of cycles of vid_clk (refclk) before refclk_div
signal triggers.
Table 4-21: Clocked Video Input II Registers
Address Register Description
0 Control
Bit 0 of this register is the Go bit:
Setting this bit to 1 causes the CVI II IP core to 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 end of field/frame video
interrupt.
4-38
Clocked Video Interface Control Registers
UG-VIPSUITE
2015.05.04
Altera Corporation
Clocked Video Interface IP Cores
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