ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 71

• Manufacturer Part Number: ak4141
• Description: Nicam/a2/eia-j Digital Stereo Decoder
• Manufacturer: AKM Semiconductor, Inc.

CHMD[1:0]
SREN[1:0]
MS0952-E-00
Addr
57H
Stereo search system change mode.
Stereo search enable. Whenever the stereo carrier search is enabled (either for one-time search or continuous search),
changes from “0” to “1”, in addition to when the Status register changes.
the ASTAT output bit will indicate a status change when the
SREN[1:0]
0H
1H
2H
3H
Stereo Carrier Search Ctrl
CHMD[1:0]
Default
Register Name
R/W
0H
1H
2H
3H
(search disabled and
(search begins again if stereo carrier is lost after initial detection)
(search begins again if stereo carrier is lost after initial detection)
SYS[2:0] changes when the Stereo Carrier Result Register is read
SYS[2:0] changes automatically when a stereo carrier is detected.
SYS[2:0] changes automatically when a stereo carrier is detected.
Table 75. Stereo Search System Change Mode
R/W
D7
0
SYS[2:0] does not change automatically.
Stereo Search System Change Mode
SREN[1:0]
after a stereo carrier is detected.
Table 76. Stereo Search
Continuous Search Enabled
Continuous Search Enabled
One-time Search Enabled
R/W
D6
0
Stereo Search
0
returns to 0x0 after stereo carrier detected)
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Disabled
R/W
D5
0
SRCMP
R/W
D4
0
bit in the Stereo Carrier Search Result register
R/W
D3
0
CHMD[1:0]
R/W
D2
0
(default)
R/W
D1
0
SREN[1:0]
(default)
[AK4141]
R/W
2008/05
D0
0