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參數(shù)資料
| 型號： | NRF2402 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single chip 2.4 GHz Transmitter |
| 中文描述： | 2.4 GHz的單芯片發(fā)射機 |
| 文件頁數(shù)： | 18/31頁 |
| 文件大?。?/td> | 368K |
| 代理商： | NRF2402 |
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PRODUCT SPECIFICATION
nRF2402/nRF2402G Single Chip 2.4 GHz Radio Transmitter
DATA PACKAGE DESCRIPTION
Nordic Semiconductor ASA -
Revision: 2.0
Vestre Rosten 81, N-7075 Tiller, Norway -
Page 18 of 31
Phone +4772898900
- Fax +4772898989
April 2005
PRE-AMBLE
ADDRESS
PAYLOAD
CRC
Figure 9 Data Package Diagram
The data packet for both ShockBurst mode and direct mode communication is divided into
4 sections. These are:
1.
PREAMBLE
The preamble field is a requirement for ShockBurst and Direct modes
Preamble is 8 bits in length and is dependent on the 1
st
data bit.
PREAMBLE
01010101
10101010
Preamble is automatically added to the data packet and thereby gives
extra space for payload in ShockBurst. Preamble must be added by
MCU in Direct mode
1
st
Data Bit (Address)
0
1
2
ADDRESS
The address field is required in ShockBurst mode.
1
8 to 40 bits length.
Address automatically removed from received packet in ShockBurst
mode. In Direct mode MCU must handle address.
The data to be transmitted
In ShockBurst mode payload size is 256 bits minus the following:
(Address: 8 to 40 bits. + CRC 8 or 16 bits).
In Direct mode the maximum payload size is defined by 1Mbps for 4ms:
4000 bits minus the following: (Preamble: 8 bits. + Address: 0 to 40 bits.
+ CRC: 0, 8 or 16 bits).
On chip CRC calculation is an option in ShockBurst mode,
and is not used in Direct mode.
8 or 16 bits length
3
PAYLOAD
4
CRC
Table 14 Data package
1
Suggestions for the use of addresses in ShockBurst: In general more bits in the address gives less
false detection, which in the end may give lower data packet loss.
The address made by (5, 4, 3, or 2) equal bytes are not recommended because it in general will make the
packet-error-rate increase.
Addresses where the level shift only one time (i.e. 000FFFFFFF) could often be detected in noise that may
give a false detection, which again may give raised packet-error-rate.
Direct mode will be dependent on the software used in the MCU, but it is recommended to have the
same restrictions on addresses for this mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| nRF2402G | 功能描述:射頻發(fā)射器 1.9-3.6V 1MBIT XMTR 2.4GHz SHCKBRST RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| nRF2402G-REEL | 功能描述:射頻發(fā)射器 1.9-3.6V 1MBIT XMTR 2.4GHz SHCKBRST RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| nRF2402G-REEL7 | 功能描述:射頻發(fā)射器 1.9-3.6V 1MBIT XMTR 2.4GHz SHCKBRST RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| NRF2402-REEL | 制造商:Nordic Semiconductor 功能描述: |
| NRF2460-DK | 功能描述:射頻開發(fā)工具 2.4 GHz ISM band 16 bit res RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
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