LV24230LS Datasheet, PDF (10/17 Pages) Sanyo Semicon Device – Compact Portable Equipment 1-Chip FM Tuner IC

LV24230LS
Register 0Dh – RADIO_CTRL1 – Radio control 1 (Read/Write)
7
IF_SEL
bit 7 :
6
5
IFBWSEL
AGC_SPD
IF_SEL : IF Frequency Setting
0 = 130kHz
1 = 150kHz
4
DEEM
3
ST_M
bit 6 :
IFBWSEL : IF band width setting
0 = 50%
1 = 100%
bit 5 :
AGC_SPD : AGC Speed setting
0 = Normal
1 = High
bit 4 :
DEEM : de-emphasis
0 = 50μs : Korea, China, Europe, Japan
1 = 75μs : USA
bit 3 :
bit 2 :
ST_M : Stereo/mono setting
0 = Stereo enabled
1 = Stereo disabled (mono mode)
nMUTE : Audio Mute
0 = Mute On
1 = Mute Off
bit 1-0 :
VOL [1 : 0] : Volume Setting
0 : Min
…
3 : Max
Register 0Eh – RADIO_CTRL2 – Radio control 2 (Read/Write)
7
bit 7-5 :
6
5
4
SOFTST [2 : 0]
SOFTST [2 : 0] : Soft Stereo setting
000b = Soft stereo level 3
001b = Disable soft stereo
010b = Soft stereo level 1 (*)
100b = Soft stereo level 2
Note : do not use without these value.
(*) : recommended setting
3
SOFTMU [2 : 0]
bit 4-2 :
SOFTMU [2 : 0] : Soft audio mute setting
000b = Soft audio mute level 3
001b = Disable soft audio mute
010b = Soft audio mute level 1
100b = Soft audio mute level 2 (*)
Note : do not use without these value.
(*) : recommended setting
bit 1 :
bit 0 :
Reserved : 0 (Fix)
STABI_BP : Internal regulator by-pass bit
0 = Internal regulator operate (normal)
1 = Internal regulator by-pass
2
nMUTE
2
1
0
VOL [1 : 0]
1
0
N/A
STABI_BP
No.A1989-10/17