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LC72130M View Datasheet(PDF) - SANYO -> Panasonic

Part NameDescriptionManufacturer
LC72130M AM/FM PLL Frequency Synthesizer SANYO
SANYO -> Panasonic SANYO
LC72130M Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Pin Functions
LC72130, 72130M
Symbol
Pin No.
Type
Functions
XIN
XOUT
1
24
X’tal OSC
• Crystal resonator connection
(4.5/7.2 MHz)
Circuit configuration
FMIN
• Serial data input: FMIN is selected when DVS is set to 1.
• The input frequency range is from 10 to 160 MHz.
15
Local oscillator
signal input
• The signal is passed through a built-in divide-by-two
prescaler and then supplied to the swallow counter.
• Although the range of divisor settings is from 272 to
65,535, the actual divisor is twice the setting since there
is also a built-in divide-by-two prescaler.
AMIN
CE
CL
DI
DO
VDD
• Serial data input: AMIN is selected when DVS is set to 0.
• Serial data input: When SNS is set to 1:
— The input frequency range is from 2 to 40 MHz.
— The signal is supplied directly to the swallow counter.
— The range of divisor settings is from 272 to 65,535
14
Local oscillator
signal input
and the actual divisor will be the value set.
• Serial data input: When SNS is set to 0:
— The input frequency range is from 0.5 to 10 MHz.
— The signal is supplied directly to a 12-bit
programmable divider.
— The range of divisor settings is from 4 to 4,095 and
the actual divisor will be the value set.
3
Chip enable
• Must be set high when serial data is input to the
LC72130 (DI), or when serial data is output (DO).
5
Clock
• Used as the synchronization clock when serial data is
input to the LC72130 (DI), or when serial data is output
(DO).
4
Data input
• Inputs serial data sent from the controller to the
LC72130.
• Outputs serial data sent from the LC72130 to the
6
Data output
controller.
The content of the output data is determined by the
serial data DOC0 to DOC2.
• The LC72130 power supply (VDD = 4.5 to 5.5 V)
16
Power supply
• The power on reset circuit operates when power is first
applied.
-
Continued on next page.
No. 4973-6/22
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