ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 89
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ak4141
Manufacturer Part Number
ak4141
Description
Nicam/a2/eia-j Digital Stereo Decoder
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4141.pdf
(96 pages)
- Current page: 89 of 96
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ANNT[7:0]
ASQT[7:0]
MS0952-E-00
Addr
8FH
Addr
NICAM Noise ASD threshold. This 8-bit threshold is compared against the top 8 bits of the NICAM noise value.
90H
91H
NICAM Average Symbol Phase Error Magnitude. This value represents the average magnitude of the phase error for
each NICAM DQPSK symbol.
Average Symbol Phase Error Magnitude = NICNs * 22.5 / 8192
ANNTh = Average Symbol Phase Error Magnitude (degrees) * 32 / 22.5 (degrees)
NICAM Noise MSB
NICAM Noise ASD Threshold
NICAM Noise LSB
Default
Register Name
R/W
Register Name
Default
R/W
Average Symbol Phase Error
Magnitude (degrees)
Table 107.Typical NICAM Noise ASD Threshold Values
21.1
22.5
179
7.0
0
RD
D7
0
RD
D6
0
D7
- 89 -
RD
D5
(decimal)
0
D6
ANNT
255
10
30
32
0
RD
D4
D5
0
NICN[15:8]
NICN[7:0]
(degrees)
(default)
(Recommended)
ANNT[7:0]
1111 1111
D4
RD
D3
0
R/W
D3
RD
D2
0
D2
RD
D1
0
D1
[AK4141]
2008/05
RD
D0
0
D0
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