參數(shù)資料
型號: LMX2332UTMX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20
封裝: 0.173 INCH, PLASTIC, TSSOP-20
文件頁數(shù): 41/49頁
文件大?。?/td> 4568K
代理商: LMX2332UTMX/NOPB
2.0 Programming Description (Continued)
2.7.3 PRE RF
RF Synthesizer Prescaler Select
RF N[20]
The RF synthesizer utilizes a selectable dual modulus prescaler.
LMX2330U RF Synthesizer Prescaler Select
Control Bit
Register Location
Description
Function
01
PRE RF
RF N[20]
RF Prescaler Select
32/33 Prescaler
Selected
64/65 Prescaler
Selected
LMX2331U and LMX2332U RF Synthesizer Prescaler Select
Control Bit
Register Location
Description
Function
01
PRE RF
RF N[20]
RF Prescaler Select
64/65 Prescaler
Selected
128/129 Prescaler
Selected
2.7.4 PWDN RF
RF SYNTHESIZER POWERDOWN
RF N[21]
The PWDN RF bit is used to switch the RF PLL between a powered up and powered down mode.
Furthermore, the PWDN RF bit operates in conjuction with the TRI-STATE ID
o RF bit to set a synchronous or an asynchronous
powerdown mode.
Control Bit
Register Location
Description
Function
01
PWDN RF
RF N[21]
RF Powerdown
RF PLL Active
RF PLL Powerdown
LMX2330U/LMX2331U/LMX2332U
www.national.com
46
相關(guān)PDF資料
PDF描述
LMX2332UTM/NOPB PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20
LMX2331UTM/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20
LMX2331USLEX PLL FREQUENCY SYNTHESIZER, 2000 MHz, PQCC24
LMX2330UTMX/NOPB PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
LMX2335LTMX/NOPB PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16
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