LV23100V Datasheet, PDF (5/12 Pages) Sanyo Semicon Device – For Portable Audio System 1-chip Tuner IC Incorporating PLL

LV23100V
Continued from preceding page.
No.
Control block data
Description
(2)
Reference
• Reference frequency (fref) selection data
divider data
R3 R2 R1 R0
Reference frequency
R0 to R3
XS
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
25kHz
25kHz
25kHz
25kHz
12.5kHz
6.25kHz
3.125kHz
3.125kHz
5kHz
5kHz
5kHz
1kHz
3kHz
15kHz
PLL INHIBIT+X’tal OSC STOP
1
1
1
1
PLL INHIBIT
Related data
* PLL INHIBIT
• The programmable divider and IF counter stop, with FMIN, AMIN, and IFIN inputs being in the
pull-down condition (GND), and the charge pump has the high impedance.
• XS must be zero.
(3)
IF counter
• IF counter counting start data
control data
CTE
GT0, GT1
CTE = 1 : Counting start
= 0 : Counting start
• Determines the counting time of universal counter
GT1 GT0
Counting time
Wait time
0
0
4ms
3 to 4ms
0
1
1
0
1
1
8ms
16ms
32ms
3 to 4ms
3 to 4ms
3 to 4ms
(4)
Output port data
• Data to determine output of output ports BO1 and BO2
BO1, BO2
“Data” = 0 : OPEN
1 : Low
(5)
MUTE control
• Data to determine the output of output port IFSW, controlling the MUTE function.
data
“Data” = 0 : at receiving
1 : MUTE
IFSW
(6)
FM/AM BAND
• Data to determine the output of output port BDSW, controlling selection of BAND.
selection
control data
BDSW
“Data” = 0 : AM
1 : FM
(7)
Forced monaural • Data to determine the output of output port STSW, controlling the forced stereo functions.
control data
“Data” = 0 : MONO
STSW
1 : STEREO
(8)
SD sensitivity
• Data to determine the output of output port SDC, controlling the FM-SD sensitivity (at IF input).
control data
SDC
FM-SD sensitivity
SDC
0
38dBµV
1
48dBµV
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