AK4141 Datasheet, PDF (71/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder

CONFIDENTIAL
[AK4141]
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
57H Stereo Carrier Search Ctrl
0
CHMD[1:0]
SREN[1:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
CHMD[1:0]
ステレオサーチシステム変更モード
CHMD[1:0]
00
01
10
11
Stereo Search System Change Mode
SYS[2:0] does not change automatically.
SYS[2:0] changes when the Stereo Carrier Result Register is read
after a stereo carrier is detected.
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
(default)
SREN[1:0]
ステレオサーチイネーブル。イネーブル時（one-time search またはcontinuous search)、ASTAT bit はステ
ータスレジスタ変化に加え、SRCMP bitの “0”から “1”への変化を反映します。
SREN[1:0]
00
01
10
11
Stereo Search
Disabled
One-time Search Enabled
(search disabled and SREN[1:0] returns to 0x0 after stereo carrier detected)
Continuous Search Enabled
(search begins again if stereo carrier is lost after initial detection)
Continuous Search Enabled
(search begins again if stereo carrier is lost after initial detection)
Table 76. Stereo Search
(default)
MS0952-J-03
- 71 -
2013/12