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LC72131K Datasheet(PDF) 9 Page - Sanyo Semicon Device

No. de pieza LC72131K
Descripción Electrónicos  PLL Frequency Synthesizer
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Fabricante Electrónico  SANYO [Sanyo Semicon Device]
Página de inicio  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC72131K Datasheet(HTML) 9 Page - Sanyo Semicon Device

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LC72131K, 72131KM
No.A0788-9/22
Control Data Functions
No.
Control block/data
Functions
Related data
(1)
Programmable
divider data
P0 to P15
DVS, SNS
Data that sets the divisor of the programmable divider.
A binary value in which P15 is the MSB. The LSB changes depending on
DVS and SNS. (*: don’t care)
Note: P0 to P3 are ignored when P4 is the LSB.
Selects the signal input pin (AMIN or FMIN) for the programmable divider, switches
the input frequency range. (*: don’t care)
Note: See the “Programmable Divider Structure” item for more information.
(2)
Reference divider
data
R0 to R3
XS
Reference frequency (fref) selection data.
Note *: PLL INHIBIT
The programmable divider block and the IF counter block are stopped, the FMIN, AMIN,
and IFIN pins are set to the pull-down state (ground), and the charge pump goes to the
high impedance state.
Crystal resonator selection
XS=0: 4.5MHz
XS=1: 7.2MHz
The 7.2MHz frequency is selected after the power-on reset.
(3)
IF counter control
data
CTE
GT0, GT1
IF counter measurement start data
CTE=1: Counter start
=0: Counter reset
Determines the IF counter measurement period.
Note: See the “IF Counter Structure” item for more information.
IFS
Continued on next page.
Twice the value of the setting
The value of the setting
The value of the setting
272 to 65535
272 to 65535
4 to 4095
Actual divisor
Divisor setting (N)
LSB
SNS
P0
P0
P4
*
1
0
1
0
0
DVS
10 to 160MHz
2 to 40MHz
0.5 to 10MHz
FMIN
AMIN
AMIN
Input frequency range
Input pin
SNS
*
1
0
1
0
0
DVS
1
* PLL INHIBIT
* PLL INHIBIT + X'tal OSC STOP
1
0
1
1
1
1
1
0
1
0
0
1
1
1
1
3
15
10
9
5
1
0
1
0
1
0
0
1
1
0
0
0
0
1
1
1
1
100kHz
50
25
25
12.5
6.25
3.125
3.125
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
Reference frequency
R0
R1
R2
R3
Wait time (ms)
Measurement time (ms)
GT0
GT1
3 to 4
3 to 4
7 to 8
7 to 8
4
8
32
64
0
1
0
1
0
0
1
1


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