LV23411V Datasheet, PDF (14/23 Pages) Sanyo Semicon Device – For Home Stereo Systems FM/AM Tuner IC

LV23411V
Register 0Eh - AMCAP1 - AM - ANT Cap bank1 (Read/Write)
7
6
5
4
3
2
1
0
AMCAP[7:0]
Bit 7-0 :
AMCAP[7:0] : AM Antenna Capacitor-Bank
Note :
The AM antenna capacitor bank is composed of 12 bits.
High 4 bit is arranged at “AMCTRL” register.
Register 0Fh - AMCTRL - AM Station Control (Read/Write)
7
6
5
4
3
AMDIV[2:0]
AM_CAL ACAP11
Bit 7-5 :
Bit 7 :
Bit 6 :
Bit 5 :
AMDIV[2:0] : AM Clock Divider
AM_CD2 : AM Clock Divider bit 2.
AM_CD1 : AM Clock Divider bit 1.
AM_CD0 : AM Clock Divider bit 0.
2
ACAP10
1
ACAP9
Note : The AM_CD[2:0] is used to decrease frequency from FM - band to AM - band.
Please set AM_CD to “0” at FM mode.
AM_CD[2:0]
0,1
2
3
4
5
6
7
Divide-Rate
Divider OFF
224
160
112
80
64
48
AM-RF frequency (In kHz)
0 (FM mode)
338 - 483
474 - 676
676 - 966
947 - 1353
1183 - 1692
1578 - 2256
Bit 4 :
NA (Fixed to “0”)
Bit 3-0 :
Bit 3 :
Bit 2 :
Bit 1 :
Bit 0 :
AMCAP[11:8] : AM Antenna Capacitor-Bank
AMCAP_bit 11
AMCAP_bit 10
AMCAP_bit 9
AMCAP_bit 8
0
ACAP8
Register 10h - DO_REF_CLK_CNF - DO output mode and reference clock configuration (Read/Write)
7
6
5
4
3
2
1
0
IPOL
DO_SEL[1:0]
EXT_CLK_CFG[1:0]
FS_S[2:0]
Bit 7-5 :
NA (Fixed to “0”)
Bit 4-3 :
EXT_CLK_CFG[1:0] : External Clock Setting
EXT_CLK_CFG[1:0]
00
01
10
11
Reference clock
Off
Oscillator clock source (External Clock source)
32768Hz crystal oscillator
No use
Bit 2-0 :
FS_S[2:0] : SD (Station Detector) operation level setting
No.A1990-14/23