參數(shù)資料
型號: LMX2364
廠商: National Semiconductor Corporation
英文描述: 2.6 GHz PLLatinum Fractional RF Frequency Synthesizer with 850 MHz Integer IF Frequency Synthesizer
中文描述: 2.6千兆赫PLLatinum分數(shù)RF頻率合成器850 MHz的IF頻率合成器整數(shù)
文件頁數(shù): 27/39頁
文件大?。?/td> 694K
代理商: LMX2364
Programming Description
(Continued)
2.5 R2 REGISTER
The R2 Register is used to setup the FastLock circuitry for the IF synthesizer.
Reg
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DATA[20:0]
C2
C1
C0
R2
0
0
0
0
0
0
0
IF_TOC[13:0]
0
1
0
2.5.1 IF_TOC[13:0] — FastLock Timeout Counter, IF Synthesizer
The IF_TOC[13:0] word controls the operation of the IF FastLock circuitry as well as the function of the FLoutIF output pin. When
IF_TOC is set to a value between 0 and 3, the IF timeout counter is disabled and the FLoutIF pin operates as a general purpose
I/O pin. When IF_TOC is set to a value between 4 and 16383, the IF FastLock mode is enabled and FLoutIF is utilized as the IF
FastLock output pin. The value programmed into IF_TOC represents the number of phase comparison cycles that the IF
synthesizer will spend in the FastLock state.
IF_TOC[13:0]
FastLock Mode
FastLock Period
[CP Events]
N/A
N/A
N/A
3
4
16383
FLoutIF Pin Functionality
0
1
2
3
4
Disabled
Disabled
Manual
Disabled
Enabled
Enabled
Enabled
High Impedance
Logic LOW State
Logic LOW State. Force IF Charge Pump to 800 μA
Logic HIGH State
FastLock
FastLock
FastLock
16,383
L
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LMX2364TM/NOPB 功能描述:IC FREQ SYNTH 2.6GHZ 24TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:PLLatinum™ 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 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/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應商設(shè)備封裝:* 包裝:*