參數(shù)資料
型號(hào)： LC72131KM
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
封裝： 0.300 INCH, MFP-20
文件頁(yè)數(shù)： 22/22頁(yè)
文件大?。?/td> 200K
代理商： LC72131KM
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
272 to 65535
4 to 4095
Actual divisor
Divisor setting (N)
LSB
SNS
P0
P4
*
1
0
1
0
DVS
10 to 160MHz
2 to 40MHz
0.5 to 10MHz
FMIN
AMIN
Input frequency range
Input pin
SNS
*
1
0
1
0
DVS
1
* PLL INHIBIT
* PLL INHIBIT + X'tal OSC STOP
1
0
1
0
1
0
1
3
15
10
9
5
1
0
1
0
1
0
1
0
1
100kHz
50
25
12.5
6.25
3.125
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Reference frequency
R0
R1
R2
R3
Wait time (ms)
Measurement time (ms)
GT0
GT1
3 to 4
7 to 8
4
8
32
64
0
1
0
1
0
1
相關(guān)PDF資料
PDF描述
LC72133V PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
LC72133M PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20
LC7219M PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24
LC7230-8221 SPECIALTY CONSUMER CIRCUIT, PQFP80
LC7230-8272 SPECIALTY CONSUMER CIRCUIT, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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