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參數(shù)資料
| 型號(hào)： | LMX9830SM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通信及網(wǎng)絡(luò) |
| 英文描述： | BluetoothTM Serial Port Module |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PBGA60 |
| 封裝： | 9 X 6 MM, 1.20 MM HEIGHT, 0.80 MM PITCH, PLASTIC, FBGA-60 |
| 文件頁(yè)數(shù)： | 41/46頁(yè) |
| 文件大小： | 664K |
| 代理商： | LMX9830SM |
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13.0 Usage Scenarios
(Continued)
13.3 SCENARIO 3: POINT-TO-MULTIPOINT CON-
NECTION
LMX9830 acts as master for several slaves.
Example:
Two sensors with LMX9830; one hand-held
device with implemented LMX9830.
Serial Devices #2 and #3 establish the link automatically as
soon as they are contacted by another device. No control-
ler interaction is necessary for setting up the Bluetooth link.
Both switch automatically into Transparent mode. The host
sends raw data over the UART.
Serial Device #1 is acting as master for both devices. As
the host has to decide to or from which device data is com-
ing from, data must be sent using the “Send data com-
mand”. If the device receives data from the other devices, it
is packaged into an event called “Incoming data event”.
The event includes the device related port number.
If necessary, a link configuration can be stored as default in
the master Serial Device #1 to enable the automatic recon-
nect after reset, power-up, or by sending the “connect
default connection” command.
Figure 26. Point-to-Multipoint Connection
Microcontroller
LMX9830
Connect to Device #2
see Scenario 2
Connection Request
Transparent Mode
LMX9830
Serial Device #1
Connect to Device #2
see Scenario 2
Microcontroller
Serial Device #2
Automatic Link Setup
Connected
on Port L
Send Data Command
Receive Data Event
Send Data to Port L1
Data Received
from Port L1
Link Established
Link Established
on Port L1
Microcontroller
LMX9830
Connection Request
Transparent Mode
Serial Device #3
Automatic Link Setup
Connected
on Port L
Connect to Device #3
see Scenario 2
Connect to Device #3
see Scenario 2
Send Data Command
Receive Data Event
Send Data to Port L2
Data Received
from Port L2
Link Established
Link Established
on Port L2
Air
Interface
Raw Data
Raw Data
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX9830SM/NOPB | 功能描述:射頻收發(fā)器 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類(lèi)型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類(lèi)型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| LMX9830SMX | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:BluetoothTM Serial Port Module |
| LMX9830SMX/NOPB | 功能描述:射頻收發(fā)器 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類(lèi)型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類(lèi)型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| LMX9838 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Bluetooth㈢ Serial Port Module |
| LMX9838_0709 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Bluetooth㈢ Serial Port Module |
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