參數(shù)資料
型號(hào)： NRF9E5-EVKIT915
廠商： Electronic Theatre Controls, Inc.
英文描述： 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC
中文描述： 433/868/915MHz RF收發(fā)器與8051兼容的嵌入式微控制器和4輸入，10位ADC
文件頁(yè)數(shù)： 21/104頁(yè)
文件大小： 1436K
代理商： NRF9E5-EVKIT915
PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 21 of 104
June 2004
9
TRANCEIVER SUBSYSTEM (nRF905)
9.1
RF Modes of Operation
The Transceiver has two active (RX/TX) modes and one power-saving mode when the
microcontroller is running.
9.1.1
Active Modes
ShockBurst RX
ShockBurst TX
9.1.2
Power Saving Mode
Standby and SPI - programming
The transceiver mode is decided by the settings of TRX_CE, TX_EN
TRX_CE
0
1
1
TX_EN
X
0
1
Operating Mode
Standby and SPI – programming
Radio Enabled - ShockBurst
TM
RX
Radio Enabled - ShockBurst
TM
TX
Table 16 transceiver operational modes.
9.2
nRF ShockBurst Mode
The nRF9E5 uses the Nordic Semiconductor ShockBurst feature. ShockBurst
TM
makes it possible to use the high data rate offered by the nRF905. By embedding all
high speed signal processing related to RF protocol in the transceiver, the nRF905 offers
the micro controller a simple SPI interface. Data rate is decided by the interface-speed
the micro controller itself sets up. By allowing the digital part of the application to run at
low speed, while maximizing the data rate on the RF link, the nRF905 ShockBurst
mode reduces the average current consumption in applications. In ShockBurst
TM
RX,
Address Match (AM) and Data Ready (DR) notifies the MCU when a valid address and
payload is received respectively. In ShockBurst
TM
TX, the nRF905 automatically
generates preamble and CRC. Data Ready (DR) notifies the MCU that the transmission
is completed. All together, this means reduced memory demand and more available
resources in the MCU, as well as reduced software development time.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NRF9E5IC 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC
nRF9E5-REEL 功能描述:射頻收發(fā)器 433/868/915MHz TRNSCVR 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
NRF-D 制造商:IDEC 功能描述:35mmDINKi[pT[Lbgz_ Bulk 制造商:IDEC CORPORATION 功能描述:DIN RAIL MT.ADAPTOR
NRF-HEAD-CAP-B 制造商:IDEC CORPORATION 功能描述:Circuit Protector
NRF-HEAD-CAP-W 制造商:IDEC CORPORATION 功能描述:Circuit Protector
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