msm7664 Oki Semiconductor, msm7664 Datasheet - Page 29

• Manufacturer Part Number: msm7664
• Description: Ntsc/pal Digital Video Decoder
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Contents of SAV and EAV
The 4th word of SAV and EAV
Usually, V = 1 during blanking, however when VBI data is detected and V = 0 is the desired
output, set the MRC[3] SAV, EAV V-status of Mode Register C (MRC) to "1".
Function
Bit No.
Second
Word
Fourth
Third
First
0
1
2
3
4
5
6
7
Both SAV and EAV consist of 4 words. Their configuration is shown below.
The relationship between the F, V, H and Protection bits in the 4th word of SAV and EAV
is shown below.
7 (MSB)
Fixed 1
7 (MSB)
1
1
1
1
1
1
1
1
1
0
0
1
6
1
0
0
F
6
0
0
0
0
1
1
1
1
F
5
1
0
0
V
5
V
0
0
1
1
0
0
1
1
H
4
1
0
0
Bit No.
P3
3
1
0
0
4
H
0
1
0
1
0
1
0
1
P2
2
1
0
0
P3
3
0
1
1
0
0
1
1
0
P1
1
1
0
0
0 (LSB)
P0
1
0
0
P2
2
0
1
0
1
1
0
1
0
P3, P2, P1, P0: Protection bit
F = 0: during field 1
V = 0: elsewhere
H = 0: SAV H = 1: EAV
1: during field 2
1: during field blanking
P1
1
0
0
1
1
1
1
0
0
PEDL7664-01
MSM7664
P0
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0
0
1
1
0
1
0
0
1