Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
1192
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
46.8.6
Decoder Control Register 2 (JPEG Stream Decoding Table Selects)
Name:
VDEC_CTLR2
Address:
0x00900014
Access:
Read-write
• DCCB: DC Component of the Cb
Defines which VLC table should be used for decoding DC components of the Cb.
0: First
1: Second
Note:
For luminance the first table is always used
• DCCR: DC Component of the Cr
Defines which VLC table should be used for decoding DC components of the Cr.
0: First
1: Second
Note:
For luminance the first table is always used.
• ACCB: AC Component of the Cb
Defines which VLC table should be used for decoding AC components of the Cb.
0: First
1: Second
Note:
For luminance the first table is always used.
• ACCR: AC Component of the Cr
Defines which VLC table should be used for decoding AC components of the Cr.
0: First
1: Second
Note:
For luminance the first table is always used.
• END: End of JPEG Image in the Stream
0: Current stream buffer does not contain the end of a JPEG image. HW will not flush the stream data pipeline after a buffer
empty request.
empty request.
1: Current stream buffer contains the end of a JPEG image. HW will flush data pipeline and will not request more stream
providing it finds the EOI pattern at the end.
providing it finds the EOI pattern at the end.
31
30
29
28
27
26
25
24
STREAM_START_BIT
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
QTABLE
MODE
7
6
5
4
3
2
1
0
FILL
END
ACCR
ACCB
DCCR
DCCB
–
–