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NRF2401-EVKIT

NRF2401-EVKIT

  • 厂商:

    ETC

  • 封装:

  • 描述:

    NRF2401-EVKIT - Single chip 2.4 GHz Transceiver - List of Unclassifed Manufacturers

  • 数据手册
  • 价格&库存
NRF2401-EVKIT 数据手册
PRODUCT SPECIFICATION Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU Single chip 2.4 GHz Transceiver )($785(6 • • • Q5) Wireless mouse, keyboard, joystick Keyless entry Wireless data communication Alarm and security systems Home automation Home automation Surveillance Automotive Telemetry Intelligent sports equipment Industrial sensors Toys $33/,&$7,216 • • • • • • • • • • • • • • • True single chip GFSK transceiver in a small 24-pin package (QFN24 5x5mm) Data rate 0 to1Mbps Only 2 external components Multi channel operation • 125 channels • Channel switching time G%P@ -20 -10 -5 0 Table 16 RF output power setting. 5) FKDQQHO GLUHFWLRQ 5)B&+ 7 6 5 4 3 2 1 5;(1 0 Table 17 Frequency channel + RX / TX setting. Bit 7 – 1: RF_CH#: Sets the frequency channel the nRF2401 operates on. The channel frequency in WUDQVPLW is given by: &KDQQHO5) = 2400 0+] + 5) _ &+ # ⋅ 1.0 0+] RF_CH #: between 2400MHz and 2527MHz may be set. The channel frequency in GDWD FKDQQHO  is given by: &KDQQHO5) = 2400 0+] + 5) _ &+ # ⋅ 1.0 0+] (Receive at PIN#8) RF_CH #: between 2400MHz and 2524MHz may be set. NOTE: The channels above 83 can only be utilized in certain territories (ex: Japan) The channel frequency in GDWD FKDQQHO  is given by: &KDQQHO5) = 2400 0+] + 5) _ &+ # ⋅ 1.0 0+] +8MHz (Receive at PIN#4) RF_CH #: between 2408MHz and 2524MHz may be set. Bit 0: Set active mode: Logic 0: transmit mode Logic 1: receive mode Nordic VLSI ASA Revision: 1.0 - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Page 22 of 37 Fax +4772898989 March 2003 PRODUCT SPECIFICATION Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU '$7$ 3$&.$*( '(6&5,37,21 PRE-AMBLE ADDRESS PAYLOAD CRC Figure 11 Data Package Diagram The data packet for both ShockBurst™ mode and direct mode communication is divided into 4 sections. These are:  35($0%/( • • The preamble field is required in ShockBurst™ and Direct modes Preamble is 8 (or 4) bits in length and is dependent of the first data bit in direct mode. PREAMBLE 1st ADDR-BIT 01010101 0 10101010 1 Preamble is automatically added to the data packet in ShockBurst™ and thereby gives extra space for payload. In ShockBurst™ mode the preamble is stripped from the received output data, in direct mode the preamble is transparent to the output data. The address field is required in ShockBurst™ mode. 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 Shock-Burst mode payload size is 256 bits minus the following: (Address: 8 to 40 bits. + CRC 8 or 16 bits). In Direct mode the payload size is defined by 1Mbps for 4ms: 4000 bits minus the following: (Preamble: 8 (or 4) bits. + Address: 8 to 40 bits. + CRC: 0, 8 or 16 bits). The CRC is optional in ShockBurst™ mode, and is not used in Direct mode. 8 or 16 bits length The CRC is stripped from the received output data. • •  $''5(66 • • • • • •  3$ 2.7 GHz 1) 2) Nordic VLSI ASA Revision: 1.0 - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Page 33 of 37 Fax +4772898989 March 2003 PRODUCT SPECIFICATION Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU 3&% OD\RXW H[DPSOH Figure 20 shows a PCB layout example for the application schematic in Figure 19. A double-sided FR-4 board of 1.6mm thickness is used. This PCB has a ground plane on the bottom layer. Additionally, there are ground areas on the component side of the board to ensure sufficient grounding of critical components. A large number of via holes connect the top layer ground areas to the bottom layer ground plane. No components in bottom layer Top silk screen Top view Bottom view Figure 20 nRF2401 RF layout with single ended connection to 50Ω antenna and 0603 size passive components Nordic VLSI ASA Revision: 1.0 - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Page 34 of 37 Fax +4772898989 March 2003 PRODUCT SPECIFICATION Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU '(),1,7,216 'DWD VKHHW VWDWXV Objective product specification Preliminary product specification Product specification This datasheet contains target specifications for product development. This datasheet contains preliminary data; supplementary data may be published from Nordic VLSI ASA later. This datasheet contains final product specifications. Nordic VLSI ASA reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. /LPLWLQJ YDOXHV Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Specifications sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. $SSOLFDWLRQ LQIRUPDWLRQ Where application information is given, it is advisory and does not form part of the specification. Table 23. Definitions Nordic VLSI ASA reserves the right to make changes without further notice to the product to improve reliability, function or design. Nordic VLSI does not assume any liability arising out of the application or use of any product or circuits described herein. /,)( 6833257 $33/,&$7,216 These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Nordic VLSI ASA customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Nordic VLSI ASA for any damages resulting from such improper use or sale. Preliminary Product Specification: Revision Date: 27.03.2003. Datasheet order code: 270303-nRF2401. All rights reserved ®. Reproduction in whole or in part is prohibited without the prior written permission of the copyright holder. Nordic VLSI ASA Revision: 1.0 - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Page 35 of 37 Fax +4772898989 March 2003 PRODUCT SPECIFICATION Q5) 6LQJOH &KLS  *+] 5DGLR 7UDQVFHLYHU
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