Rev. 1.0, 02/00, page 776 of 1141
Bit 0
Field Detection Flag (FLD): Indicates the field determined by the status of the field
detection window signal generated by the AFC when the external Vsync signal (AFCV signal)
rises. This flag is invalid when the internally generated Hsync signal is selected as the AFC
reference Hsync signal. For the timing, refer to section 27.2.6, Field Detection Window Register
(FWIDR).
Bit 0
LD
Description
0
Even field
(Initial value)
1
Odd field
Csync
SEPV
AFCV
FLD
AFCV
T
F
*
T
F
*
Note:
*
T
F
: Field detection window register value
FLD
Digital V separation
counter
V complement and
mask counter clock
When V complement
function is not operating:
AFC frequency-
dividing counter
H/2
µ
s
Field detection
window signal
Field detection
window signal
Odd field
Odd field timing
Even field timing
When V complement
function is operating:
Even field
Figure 27.11 Field Detection Timing