LV23411V Datasheet, PDF (17/23 Pages) Sanyo Semicon Device – For Home Stereo Systems FM/AM Tuner IC

LV23411V
Register 14h - REF_CLK_PRS - Reference clock pre-scaler (Read/Write)
7
6
5
4
3
2
1
0
IM_EVAS Reserved
WAIT_SEL AM_FINE REFPRE[3:0]
Bit 7 :
IM_EVAS : Image signal avoidance function ON/OFF
0 = OFF
1 = ON (Recommend)
Bit 6 :
Reserved : Fixed to “0”
Bit 5 :
WAIT_SEL : Selection mute release standby time after tuning
0 = 8ms wait
1 = 4ms wait
Bit 4 :
AM_FINE : Selection AM_ANT adjustment standby time
0 = No wait when DAC value is changed
1 = 2ms wait when DAC value is changed
Bit 3-0 :
REFPRE[3:0] : Reference Clock pre- scaler
0=1:1
1=1:2
2=1:4
…
15 = 1 : 32768
Register 15h - REF_CLK_DIV - Reference clock divider (Read/Write)
7
6
5
4
3
2
1
0
REFDIV[7:0]
Bit 7-0 :
REFDIV[7:0] : Reference Clock Divider
0 : Divide rate = 1
1 : Divide rate = 2
…
255 : Divide rate = 256
Register 16h - TARGET_VAL_L - Target Value Low Register (Read/Write)
7
6
5
4
3
2
1
0
TARGET[7:0]
Bit 7-0 :
TARGET[7:0] : Target frequency low 8 bit :
Tuning frequency or Calibration frequency : low byte
Register 17h - TARGET_VAL_H - Target Value High Register (Read/Write)
7
6
5
4
3
2
1
0
TARGET[15:8]
Bit 7-0 :
TARGET[15:8] : Target frequency high 8 bit :
Tuning frequency or Calibration frequency : high byte
With radio power ON, lower eight bits of the target frequency are set. Then, set higher eight bits of the target frequency to this
register. The command is executed.
TUNEPOS and TARGET :
- AM mode : 1kHz span
- FM mode : 10kHz span
No.A1990-17/23