Texas Instruments TMS320C64x DSP Benutzerhandbuch
Video Display Registers
Video Display Port
4-82
SPRU629
4.12.20
Video Display Field 2 Vertical Synchronization End Register (VDVSYNE2)
The video display field 2 vertical synchronization end register (VDVSYNE2)
controls the end of vertical synchronization in field 2. The VDVSYNE2 is
shown in Figure 4–58 and described in Table 4–25.
controls the end of vertical synchronization in field 2. The VDVSYNE2 is
shown in Figure 4–58 and described in Table 4–25.
Generation of the vertical synchronization is shown in Figure 4–6, page 4-7.
The VSYNC signal is deasserted whenever the frame line counter (FLCOUNT)
is equal to VSYNCYSTOP2 and the frame pixel counter (FPCOUNT) is equal
to VSYNCXSTOP2.
The VSYNC signal is deasserted whenever the frame line counter (FLCOUNT)
is equal to VSYNCYSTOP2 and the frame pixel counter (FPCOUNT) is equal
to VSYNCXSTOP2.
Figure 4–58. Video Display Field 2 Vertical Synchronization End Register (VDVSYNE2)
31
28
27
16
Reserved
VSYNCYSTOP2
R-0
R/W-0
15
12
11
0
Reserved
VSYNCXSTOP2
R-0
R/W-0
Legend: R = Read only; R/W = Read/Write; -n = value after reset
Table 4–25. Video Display Field 2 Vertical Synchronization End Register (VDVSYNE2)
Field Descriptions
Bit
field
†
symval
†
Value
Description
31–28
Reserved
–
0
Reserved. The reserved bit location is always read as
0. A value written to this field has no effect.
0. A value written to this field has no effect.
27–16
VSYNCYSTOP2
OF(value)
0–FFFh
Specifies the line where VSYNC is deasserted for
field 2.
field 2.
15–12
Reserved
–
0
Reserved. The reserved bit location is always read as
0. A value written to this field has no effect.
0. A value written to this field has no effect.
11–0
VSYNCXSTOP2
OF(value)
0–FFFh
Specifies the pixel where VSYNC is deasserted in
field 2.
field 2.
† For CSL implementation, use the notation VP_VDVSYNE2_field_symval