LV23411V Datasheet, PDF (19/23 Pages) Sanyo Semicon Device – For Home Stereo Systems FM/AM Tuner IC

LV23411V
Register 1Ah - RADIO_CTRL3 - Radio control 3 (Read/Write)
7
6
5
4
3
2
DEEM_100
Bit 7 :
NA
IF_AGC_CAP
DEEM_100 : Additional De-emphasis (100μs)
0 = 0μs (Default setting)
1 = 100μs (DEEM = 1 : 75μS)
AM_WIDE_AGC_OFF
Bit 6 :
NA
Bit 4 :
IF_AGC_CAP
0 = OFF (Normal)
1 = ON
Bit 3-2 :
AM_WIDE_AGC_OFF[1:0] : AM WIDE AGC OFF Level Control
0 = First mode
3 = Slow mode
Bit 1-0 :
AM_WIDE_AGC_ON[1:0] : AM WIDE AGC ON Level Control
0 = WIDE AGC OFF
1 = First mode
3 = Slow mode
1
0
AM_WIDE_AGC_ON
Register 1Ch - STEREO_CTRL1 - Stereo control 1 (Read/Write)
7
6
5
4
3
CRC[1:0]
SS_SP2
Reserved
Reserved
Bit 7-6 :
CRC[1:0] : Capture Range Control
0 = Narrow mode
3 = Wide mode
Bit 5 :
SS_SP2 : Stereo=ON sensitivity speed2 (First mode)
0 : First mode = OFF
1 : First mode = ON (Recommend)
Bit 4 :
Reserved : Fixed to “0”
Bit 3 :
Reserved : Fixed to “0
Bit 2 :
PICAN_EN : PILOT signal Cancellation ON/OF
0 = OFF
1 = ON (Recommend)
Bit 1 :
FOSTEREO : Forced Stereo
0 = OFF (Normal)
1 = ON
Bit 0 :
ST_M : Mono/Stereo setting
0 = Stereo on (Normal)
1 = Stereo off (Forced mono)
2
1
0
PICAN_EN FOSTEREO ST_M
No.A1990-19/23