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參數(shù)資料
| 型號(hào)： | LMX2330ATMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | PLL合成/DDS/VCOs |
| 英文描述： | PHASE LOCKED LOOP, 2500 MHz, PDSO20 |
| 封裝： | 0.173 INCH, PLASTIC, TSSOP-20 |
| 文件頁(yè)數(shù)： | 2/17頁(yè) |
| 文件大?。?/td> | 392K |
| 代理商： | LMX2330ATMX |
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Functional Description
The simplified block diagram below shows the 22-bit data register, two 15-bit R Counters and the 15- and 18-bit N Counters (in-
termediate latches are not shown). The data stream is clocked (on the rising edge of Clock) into the DATA register, MSB first. The
data stored in the shift register is loaded into one of 4 appropriate latches on the rising edge of LE. The last two bits are the Con-
trol Bits. The DATA is transferred into the counters as follows:
Control Bits
DATA Location
C1
C2
0
IF R Counter
0
1
RF R Counter
1
0
IF N Counter
1
RF N Counter
PROGRAMMABLE REFERENCE DIVIDERS (IF AND RF R COUNTERS)
If the Control Bits are 00 or 01 (00 for IF and 01 for RF) data is transferred from the 22-bit shift register into a latch which sets
the 15-bit R Counter. Serial data format is shown below.
15-BIT PROGRAMMABLE REFERENCE DIVIDER RATIO (R COUNTER)
Divide
Ratio
R
15
R
14
R
13
R
12
R
11
R
10
R
9
R
8
R
7
R
6
R
5
R
4
R
3
R
2
R
1
3
0000000
00000011
4
0000000
00000100
32767
1111111
11111111
Notes:
Divide ratios less than 3 are prohibited.
Divide ratio: 3 to 32767
R1 to R15: These bits select the divide ratio of the programmable reference divider.
Data is shifted in MSB first.
DS012331-1
DS012331-14
www.national.com
10
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相關(guān)代理商/技術(shù)參數(shù) |
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| LMX2330L | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2330LEVAL | 功能描述:BOARD EVALUATION LMX2330L RoHS:否 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類(lèi)型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| LMX2330LSBX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2330LSLB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2330LSLBX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
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