Hitachi H8S/2199 Hardware Manual page 748

Bit 1    Field Detection Flag (FLD): Indicates whether the field currently being scanned is even
or odd. See figure 26.74.
Bit 1
FLD Description
0 Odd field
1 Even field
Bit 0    Sync Signal Polarity Selection Bit (SYCT): Selects the polarity of the sync signal
(Csync) to be input.
Bit 0
SYCT Description
0
1
Rev. 1.0, 02/00, page 742 of 1141
(Initial value)
Polarity
Positive
(Initial value)
Negative