DATA SHEET
VSP 94x2A
2
Table 3–8: I C bus command description, continued
Bit
Name
Description
Subaddress F0 (read only)
D7
LBELAA
[FP-RGB]
Refer to F1h
D6-D0
LBSLAA
Letter box detection: Start line of active area
[FP-RGB]
LBSLAA is measured in relation to VSYNC
Subaddress F1 (read only)
D7-D0
LBELAA
Letter box detection: End line of active area
[FP-RGB]
LBELAA is measured in relation to VSYNC
Subaddress F2 (read only)
D7
D6
D5
LBFORMAT
[FP-RGB]
Letter box detection: Format
0: 4:3 format
1: other format (letter box)
LBSUBTITLE
[FP-RGB]
Letter box detection: Subtitle flag
0: no subtitle
1: subtitle available
LBTOPTITLE
[FP-RGB]
Letter box detection: Toptitle flag
0: no toptitle
1: toptitle available
D4
D3
D2
D1
D0
GRADISSTABLE
[FP-RGB]
Letter box detection: gradient is stable
internal value, only for test purposes
TOPTITLE
[FP-RGB]
LBD: upper area contains high activity
internal value, only for test purposes
SUBTITLE
[FP-RGB]
LBD: lower area contains high activity
internal value, only for test purposes
NOGRADFOUND
[FP-RGB]
LBD: no gradient found
internal value, only for test purposes
SWITCHTO43
[FP-RGB]
LBD: switch to 4:3 format
internal value, only for test purposes
Subaddress F3 (read only)
D7
GRADELAA
[FP-RGB]
Refer to F4h
D6-D0
GRADSLAA
[FP-RGB]
LBD: Gradient start line of active area
internal value, only for test purposes
Subaddress F4 (read only)
D7-D0
GRADELAA
[FP-RGB]
LBD: Gradient end line of active area
internal value, only for test purposes
Micronas
Aug. 16, 2004; 6251-552-1DS
103