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參數(shù)資料
| 型號(hào)： | LMX3162VBH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Single Chip Radio Transceiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, PLASTIC, QFP-48 |
| 文件頁(yè)數(shù)： | 12/18頁(yè) |
| 文件大?。?/td> | 399K |
| 代理商： | LMX3162VBH |
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Serial Data Input Timing
(Continued)
Symbol
MICROWIRE
Interface
t
CS
t
CH
t
CWH
t
CWL
t
ES
t
EW
Parameter
Conditions
Min
Typ
Max
Unit
Data to Clock Set Up Time
Data to Clock Hold Time
Clock Pulse Width High
Clock Pulse Width Low
Clock to Load Enable Set Up Time
Load Enable Pulse Width
Refer to Test Condition.
Refer to Test Condition.
Refer to Test Condition.
Refer to Test Condition.
Refer to Test Condition.
Refer to Test Condition.
50
10
50
50
50
50
—
—
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
PLL Functional Description
The simplified block diagram below shows the building blocks of frequency synthesizer and all internal registers, which are 20-bit
data register, 18-bit F-latch, 13-bit N-counter, and 5-bit R-counter.
The DATA stream is clocked into the data register on the rising edge of CLOCK signal, MSB first. The last two bits are the control
bits to indicate which register to be written. Upon the rising edge of the LE (Load Enable) signal, the rest of data bits is transferred
to the addressed register accordingly. The decoding scheme of the two control bits is as follows:
Control Bits
Register
C2
0
1
X
C1
0
0
1
N-Counter
R-Counter
F-Latch
Note:
X = Don’t Care Condition
Programmable Feedback Divider (N-Counter)
The N-counter consists of the 6-bit swallow counter (A-counter) and the 7-bit programmable counter (B-counter). When the con-
trol bits are “00”, data is transferred from the 20-bit shift register into two latches. One latch sets theA-counter while the other sets
the B-counter. The serial data format is shown below.
MSB
19
REGISTER’S BIT MAPPING
11
10
N-COUNTER’s Divide Ratio
N11
N10
N9
N8
LSB
18
17
16
15
14
13
12
9
8
7
6
5
4
3
2
1
0
RESERVED
X
X
C2
0
C1
0
X
X
X
N13
N12
N7
N6
N5
N4
N3
N2
N1
Note:
X = Don’t Care Condition
Swallow Counter Divide Ratio (A-Counter)
Divide Ratio, A
0
1
*
63
N6
0
0
*
1
N5
0
0
*
1
N4
0
0
*
1
N3
0
0
*
1
N2
0
0
*
1
N1
0
1
*
1
DS100929-4
L
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相關(guān)代理商/技術(shù)參數(shù) |
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| LMX3162VBHX | 功能描述:IC TXRX SINGL CHIP RADIO 48-LQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| LMX321 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Dual/Quad, General-Purpose, Low-Voltage, Rail-to-Rail Output Op Amps |
| LMX321_06 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Dual/Quad, General-Purpose, Low-Voltage, Rail-to-Rail Output Op Amps |
| LMX321AUK | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL/QUAD GENERAL-PURPOSE LOW-VOLTAGE RAIL-TO-RAIL OU - Rail/Tube |
| LMX321AUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL GP R-R O/P 7V 5PIN SOT-23 - Rail/Tube |
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