LV24100LP Datasheet, PDF (14/18 Pages) Sanyo Semicon Device – Bi-CMOS IC FM and AM Tuner IC for Small Portable Equipment

LV24100LP
Block 2, Register 04h-AM_CAP(Write-only)
7
6
5
4
3
2
AM_CAP[7:0]
Bit 7-0:
AM_CAP[7:0]:all bit to be set to 0
Block 2, Register 05h-IF_BW-IF Bandwidth Register(Write-only)
7
6
5
4
3
2
IFBW[7:0]
Bit 7-0:
IFBW[7:0]: Value for IF bandwidth
Block 2, Register 06h-RADIO_CTRL2-Radio Control 2 Register(Write-only)
7
6
5
4
3
2
VREF2
VREF
STABI_BP
IF_PM_L
DCFB_SPD
DCFB_OFF
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
VREF2: VREF2 control bit
0 = VREF2 is ON
1 = VREF2 is OFF
VREF: VREF control bit
0 = VREF is ON
1 = VREF is OFF
STABI_BP: Voltage stabilizer bypass bit
0 = Internal voltage is Vstabi (normal operation)
1 = Internal voltage is VCC (stabilizer bypassed)
IF_PM_L: IF PLL mute bit
0 = IF PLL mute on (presetting IF mode)
1 = IF PLL mute off (normal operation mode)
DCFB_SPD: DC feedback speed
0 = normal speed
1 = high speed (test mode)
DCFB_OFF: DC feedback control
0 = Enable DC feedback (FM mode)
1 = Turn off the DC feedback (AM mode)
AGCSP: AGC speed control bit
0 = Normal speed
1 = High speed (test mode)
Reserved: should be written with 0
Block 2, Register 07h-RADIO_CTRL3-Radio Control 3 Register(Write-only)
7
6
5
4
3
AGC_SLVL
VOLSH
Reserved
AMUTE_L
SE_FM
Bit 7:
AGC_SLVL: AGC set level bit
This bit must be set to 1
Bit 6:
VOLSH: Volume level shift bit
0 = Normal volume level
1 = Extra volume of 12dB
Bit 5:
Reserved: should be written with 0
Bit 4:
AMUTE_L: Audio mute bit
0 = Audio muted
1 = Audio not muted
Bit 3:
SE_FM: FM radio select bit
0 = Disable FM radio
1 = Enable FM radio
Bit 2:
SE_AM: AM radio select bit
0 = Disable AM radio
1 = Enable AM radio
Bit 1:
Reserved: should be written with 0
Bit 0:
Reserved: should be written with 0
Note: Do not set bit 3 and 2 on at the same time.
2
SE_AM
1
0
1
0
1
AGCSP
0
Reserved
1
0
Reserved
No.A0194-14/18