Texas-instruments TMS320C64x DSP Manuel d'utilisateur Page 227

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Video Display Registers
Video Display Port4-82 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 458 and described in Table 425.
Generation of the vertical synchronization is shown in Figure 46, 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.
Figure 458. 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 425. Video Display Field 2 Vertical Synchronization End Register (VDVSYNE2)
Field Descriptions
Bit field
symval
Value Description
3128 Reserved 0 Reserved. The reserved bit location is always read as
0. A value written to this field has no effect.
2716 VSYNCYSTOP2 OF(value) 0FFFh Specifies the line where VSYNC is deasserted for
field 2.
1512 Reserved 0 Reserved. The reserved bit location is always read as
0. A value written to this field has no effect.
110 VSYNCXSTOP2 OF(value) 0FFFh Specifies the pixel where VSYNC is deasserted in
field 2.
For CSL implementation, use the notation VP_VDVSYNE2_field_symval
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