參數(shù)資料
型號: LMX2335UTM/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO16
封裝: PLASTIC, TSSOP-16
文件頁數(shù): 37/48頁
文件大?。?/td> 3127K
代理商: LMX2335UTM/NOPB
2.0 Programming Description (Continued)
2.7.3 PRE RF1
RF1 SYNTHESIZER PRESCALER SELECT
RF1 N[20]
The RF1 synthesizer utilizes a selectable dual modulus prescaler.
Control Bit
Register Location
Description
Function
01
PRE RF1
RF1 N[20]
RF1 Prescaler Select
64/65 Prescaler
Selected
128/129 Prescaler
Selected
2.7.4 PWDN RF1
RF1 SYNTHESIZER POWERDOWN
RF1 N[21]
The PWDN RF1 bit is used to switch the RF1 PLL between a powered up and powered down mode.
Furthermore, the PWDN RF1 bit operates in conjuction with the TRI-STATE ID
o RF1 bit to set a synchronous or an asynchronous
powerdown mode.
Control Bit
Register Location
Description
Function
01
PWDN RF1
RF1 N[21]
RF1 Powerdown
RF1 PLL Active
RF1 PLL Powerdown
LMX2335U/LMX2336U
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