19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 870 of 1658
REJ09B0261-0100
19.3.15 Vertical Cycle Register (VCR) The vertical cycle register (VCR) sets the vertical scan interval. The value is retained during power-on reset and manual reset.
R/W:
Internal update:
R/W:
Internal update:
161718192021222324252627282931 30Bit:
Initial value:
RRRRRRRRRRRRRRRR
0000000000000000
R/WR/WR/WR/WR/WR/WR/WR/WR/WR/WRRRRRR
OOOOOOOOOO
000000
VC
— —
01234567891011121315 14Bit:
Initial value:
Bit Bit Name
Initial
Value R/W
Internal
Update Description
31 to 10 All 0 R Reserved
These bits are always read as 0. The write value
should always be 0.
9 to 0 VC Undefined R/W Yes Vertical Cycle
The vertical scan interval, including the vertical
blanking interval, should be set in raster line
units.
When in TV sync mode, the EXVSYNC rising-
edge detection interval time should be set. If not
detected within the interval, the result is
reflected in the TVR flag in DSSR.