ak4112a AKM Semiconductor, Inc., ak4112a Datasheet - Page 27
ak4112a
Manufacturer Part Number
ak4112a
Description
High Feature 96khz 24bit Dir
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4112A.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AK4112A
Manufacturer:
AKM
Quantity:
20 000
Part Number:
ak4112aVF-E2
Manufacturer:
AKM
Quantity:
20 000
ASAHI KASEI
n n n n Burst preambles in non-PCM bitstreams
MS0020-E-00
Preamble word
Pa
Pb
Pc
Pd
Bits of Pc value
0-4
5, 6
7
8-12
13-15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14-26
27
28
29-31
0
0
1
0
Length of field
16 bits
16 bits
16 bits
16 bits
contents
data type
NULL data
Dolby AC-3 data
reserved
PAUSE
MPEG-1 Layer1 data
MPEG-1 Layer2 or 3 data or MPEG-2 without extension
MPEG-2 data with extension
reserved
MPEG-2, Layer1 Low sample rate
MPEG-2, Layer2 or 3 Low sample rate
reserved
DTS type I
DTS type II
DTS type III
reserved
(reserved for MPEG-4 AAC data)
MPEG-2 AAC data
reserved
reserved, shall be set to “0”
Error-flag indicating a valid burst_payload
Error-flag indicating that the burst_payload may contain
Errors
data type dependent info
bit stream number, shall be set to “0”
Pa Pb Pc Pd
0
preamble
3 4
Aux.
7 8
Table 15. Fields of burst info Pc
Table 14. Burst preamble words
sync word 1
sync word 2
Length code
Contents
Burst info
repetition time of the burst
11 12
sub-frame of IEC958
Burst_payload
LSB
0
- 27 -
16 bits of bitstream
0xF872
0x4E1F
see Table 15.
numbers of bits
value
stuffing
repetition time of burst
in IEC958 frames
£4096
1536
384
1152
1152
384
1152
512
1024
2048
512
1024
MSB V U C P
27 28 29 30 31
15
[AK4112A]
2000/3