GENNUM CORPORATION
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TABLE 6 HOST INTERFACE DESCRIPTION FOR VIDEO STANDARD AND DATA FORMAT REGISTER
REGISTER NAME
BIT
NAME
DESCRIPTION
R/W
DEFAULT
VIDEO_STANDARD
Address: 04h
15
Not Used
14-10
VD_STD[4:0]
Video Data Standard (see Table 8)
R
0
9
Not Used
8
STD_LOCK
Standard Lock: Set HIGH when flywheel has
achieved full synchronization.
R
0
7-4
Not Used
3-0
DATA_FORMAT[3:0]
Data Format (see Table 9).
R
F
h
TABLE 7 HOST INTERFACE DESCRIPTION FOR RASTER STRUCTURE REGISTERS
REGISTER NAME
BIT
NAME
DESCRIPTION
R/W
DEFAULT
RASTER_STRUCTURE1
Address: 0Eh
15-12
Not Used
11-0
RASTER_STRUCTURE1[11:0]
Words Per Active Line.
R
0
RASTER_STRUCTURE2
Address: 0Fh
15-12
Not Used
11-0
RASTER_STRUCTURE2[11:0]
Words Per Total Line.
R
0
RASTER_STRUCTURE3
Address: 10h
15-11
Not Used
10-0
RASTER_STRUCTURE3[10:0]
Total Lines Per Frame.
R
0
RASTER_STRUCTURE4
Address: 11h
15-11
Not Used
10-0
RASTER_STRUCTURE4[10:0]
Active Lines Per Field.
R
0
TABLE 8 SUPPORTED VIDEO STANDARDS
VD_STD[4:0]
SMPTE
STANDARD
VIDEO FORMAT
LENGTH
OF HANC
LENGTH OF
ACTIVE VIDEO
TOTAL
SAMPLES
SMPTE352M
LINES
16h
125M
1440x487/60 (2:1)
(Or dual link progressive)
268
1440
1716
3, 276
17h
1440x507/60 (2:1)
268
1440
1716
3, 276
19h
525-line 487 generic
-
-
1716
3, 276
1Bh
525-line 507 generic
-
-
1716
3, 276
18h
ITU-R BT.656
1440x576/50 (2:1)
(Or dual link progressive)
280
1440
1728
9, 322
1Ah
625-line generic (EM)
-
-
1728
9, 322
1Eh
Unknown SD
-
-
-
-
-
00h-15h,
1Ch, 1Fh
Reserved