Datasheet

ADV7320/ADV7321
Rev. A | Page 76 of 88
MODE 1—SLAVE OPTION
(TIMING REGISTER 0 TR0 = X X X X X 0 1 0)
In this mode, the ADV7320/ADV7321 accept horizontal sync
and odd/even field signals. When
HSYNC
is low, a transition of
the field input indicates a new frame, that is, vertical retrace. The
BLANK
signal is optional. When the
BLANK
input is disabled,
ADV7320/ADV7321 automatically blank all normally blank
lines as per CCIR-624.
HSYNC
,
BLANK
, and FIELD are input
on
S_HSYNC
,
S_BLANK
, and
S_VSYNC
, respectively.
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274
283
284
285
ODD FIELD EVEN FIELD
DISPLAY
DISPLAY
VERTICAL BLANK
522 523 524 525
59
10 11
20 21 22
DISPLAY
DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
FIELD
FIELD
HSYNC
BLANK
HSYNC
BLANK
05067-113
7
6
4
3
2
1
8
Figure 113. SD Slave Mode 1 (NTSC)