參數(shù)資料
型號(hào)： LMX2331UTMX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
中文描述： PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20
封裝： 0.173 INCH, PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 39/42頁(yè)
文件大小： 3318K
代理商： LMX2331UTMX
2.0 Programming Description
(Continued)
2.7.3 PRE RF
The RF synthesizer utilizes a selectable dual modulus prescaler.
RF SYNTHESIZER PRESCALER SELECT
RF N[20]
LMX2330U RF Synthesizer Prescaler Select
Control Bit
Register Location
Description
Function
0
1
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
0
1
PRE RF
RF N[20]
RF Prescaler Select
64/65 Prescaler
Selected
128/129 Prescaler
Selected
2.7.4 PWDN RF
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.
RF SYNTHESIZER POWERDOWN
RF N[21]
Control Bit
Register Location
Description
Function
0
1
PWDN RF
RF N[21]
RF Powerdown
RF PLL Active
RF PLL Powerdown
L
www.national.com
39
相關(guān)PDF資料
PDF描述
LMX2332USLBX PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2332UTM PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2332UTMX PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2335M PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
LMX2335TM PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2332 WAF 制造商:Texas Instruments 功能描述:
LMX2332A 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
LMX2332ATM 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LMX2332ATMX 功能描述:IC FREQ SYNTH DUAL 20-TSSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類(lèi)型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2332L 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinumTM Low Power Dual Frequency Synthesizer for RF Personal Communications
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