Base V Counter
top field
IRQ_V_STA=3 (1/2H)
0
1
2
3
4
5
6
7
8
522 523 524
0V
Base FID
venc_irq
Base V Counter
IRQ_V_STA=3 (1/2H)
0
1
2
3
4
5
6
7
8
522 523 524
0V
Base FID
venc_irq
bottom field
0
1715
0H
Base H Counter
venc_irq
1
2
3
4
5
6
7
8
9
10
IRQ_H_STA=6
clk2x
Base V Counter
1 cyc
Internal Modules
99
SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
1.2.6.2.3.3 Interrupt Timing
An interrupt pulse is output from the venc_irq port with a single clk2x cycle pulse width every field. Its
horizontal and vertical assert position is configured by IRQ_H_STA and IRQ_V_STA registers,
respectively.
Figure 1-46. Interrupt Horizontal Timing
Figure 1-47. Interrupt Vertical Timing