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參數(shù)資料
| 型號： | LC72136N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | PLL Frequency Synthesizer for Electronic Tuning(用于電子調(diào)諧的鎖相環(huán)頻率合成器) |
| 中文描述： | 鎖相環(huán)頻率合成器電子調(diào)諧（用于電子調(diào)諧的鎖相環(huán)頻率合成器） |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 319K |
| 代理商： | LC72136N |
No. 5608-6/23
LC72136N, 72136NM
Pin Functions
Pin No.
Symbol
(MFP pin numbers
are in parentheses.)
Type
Functions
Circuit configuration
22 (24)
1 (1)
16 (17)
15 (16)
3 (4)
5 (6)
4 (5)
6 (7)
17 (18)
21 (22)
XIN
XOUT
FMIN
AMIN
CE
CL
DI
DO
V
DD
V
SS
Xtal
Local oscillator
signal input
Local oscillator
signal input
Chip enable
Clock
Input data
Output data
Power supply
Ground
Crystal oscillator connections (75 kHz)
The extremely high input impedance of the XIN pins
means that applications must take the possibility of
leakage into account.
FMIN is selected when the serial data input DVS bit is
set to 1.
The input frequency range is from 10 to 160 MHz.
The input signal passes through the internal divide-by-
two prescaler and is input to the swallow counter.
The divisor can be in the range 272 to 65535. However,
since the signal has passed through the divide-by-two
prescaler, the actual divisor is twice the set value.
AMIN is selected when the serial data input DVS bit is
set to 0.
When the serial data input SNS bit is set to 1:
— The input frequency range is 2 to 40 MHz.
— The signal is directly input to the swallow counter.
— The divisor can be in the range 272 to 65535, and
the divisor used will be the value set.
When the serial data input SNS bit is set to 0:
— The input frequency range is 0.5 to 10 MHz.
— The signal is directly input to a 12-bit programmable
divider.
— The divisor can be in the range 4 to 4095, and the
divisor used will be the value set.
Set this pin high when inputting (DI) or outputting (DO)
serial data.
Used as the synchronization clock when inputting (DI) or
outputting (DO) serial data.
Inputs serial data transferred from the controller to the
LC72136N.
Outputs serial data transferred from the LC72136N to
the controller. The data output is determined by the
DOC0 to DOC2 bits in the serial data.
The LC72136N power supply pin. (V
DD
= 4.5 to 5.5 V)
The power on reset circuit operates when power is first
applied.
The LC72136N ground
Continued on next page.
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