Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Datenbogen
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Produktcode
AT91SAM9M10-G45-EK
1176
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.7.17
Reference Picture Index 4 Base Address (MPEG-4/H.263 MVD Control)
Name:
VDEC_PIDXBA4
Addresses:
0x00900048
Access:
Read-write
• ANC: Anchor Picture Type
Previous anchor picture type:
0: intra
1: inter
• RCB: Rounding Control Bit
When low, 1/2 pixel motion compensation sum is rounded, otherwise clipped.
• ACC_FW: Forward Motion Vector
Forward motion vector Y resolution:
0: 1/2 accuracy
1: 1/4 accuracy
• BW_BN: Backward Bit Number
Bit amount for representing backward motion vector for both axes.
• FW_BN: Forward Bit Number
Bit amount for representing forward motion vector for both axes.
• SCANF: Alternate Scan Flag
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
SCANF
FW_BN
15
14
13
12
11
10
9
8
FW_BN
–
–
–
–
BW_BN
7
6
5
4
3
2
1
0
BW_BN
–
–
–
–
ACC_FW
RCB
ANC