NRF2401GA NORDIC SEMICONDUCTOR, NRF2401GA Datasheet
NRF2401GA
Specifications of NRF2401GA
Related parts for NRF2401GA
NRF2401GA Summary of contents
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... Supply current in transmit @ -5dBm output power Supply current in receive mode Temperature range Sensitivity Supply current in Power Down mode Table 1 nRF2401 quick reference data Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 APPLICATIONS Wireless mouse, keyboard, joystick Keyless entry Wireless data communication ...
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... In/Out DATA Data Channel 1 CLK1 GFSK 3-wire Filter interface CS Figure 1 nRF2401 with external components. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Description 24 pin QFN 5x5, saw 24 pin QFN 5x5, punch, lead free LNA Frequency Synthesiser Phone +4772898900 Page ...
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... CS 6 DR1 7 CLK1 Figure 2 nRF2401 pin assignment (top view) for a QFN24 5x5 package. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Description Chip Enable Activates mode RX Data Ready at Data Channel 2 (ShockBurst™ only) Clock Output/Input for RX Data Channel 2 RX Data Channel 2 Chip Select Activates Configuration Mode RX Data Ready at Data Channel 1 (ShockBurst™ ...
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... Antenna load impedance = 100 +j175 . Effective data rate 250kbps or 1Mbps. 6) Antenna load impedance = 100 +j175 . Effective data rate 10kbps. 7) Current if 4 MHz crystal is used. 8) 250kbps/1000kbps. Table 4 nRF2401 RF specifications Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 40º 85ºC A Notes Min. 1.9 -40 VDD- 0 ...
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... GREEN QFN24 5x5 package, with matt tin plating. Dimensions are in mm. Package Type A Punch QFN24 Min 0.8 (5x5 mm) typ. Max 0.9 Figure 3 nRF2401G GREEN Package outline. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 D/E 1 0.0 0.65 0.25 0.02 ...
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... QFN 24LD 5x5 package, only available with SnPb plating. Dimensions are in mm. Package Type A QFN24 Min 0.8 (5x5 mm) typ. Max 1 Figure 4 nRF2401 package outline, dimensions in mm. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 0.0 0.75 0.25 0.3 5 BSC 0 ...
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... Storage Temperature….… 125 C Note: Stress exceeding one or more of the limiting values may cause permanent damage to the device. ATTENTION! Electrostatic Sensitive Device Observe Precaution for handling. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Phone +4772898900 Page Fax +4772898989 ...
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... CLK CRC GFSK ISM MCU OD PWR_DWN PWR_UP RX ST_BY TX Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Description Clock Cyclic Redundancy Check Chip Select Chip Enable Data Ready Gaussian Frequency Shift Keying Industrial-Scientific-Medical Micro controller Overdrive Power Down Power Up Receive ...
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... Active modes The nRF2401 has two active (RX/TX) modes: ShockBurst™ Direct Mode The device functionality in these modes is decided by the content of a configuration word. This configuration word is presented in configuration section. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 PWR_UP ...
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... Figure 5 Clocking in data with MCU and sending with ShockBurst Without ShockBurst 10mA period Figure 6 Current consumption with & without ShockBurst Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 nRF2401 FIFO TM , running at speed dictated by 10Kbs MCU 10mA periode TM 10Kbs MCU with ShockBurst ...
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... RF front end is powered up RF package is completed (preamble added, CRC calculated) Data is transmitted at high speed (250 kbps or 1 Mbps configured by user). nRF2401 return to stand-by when finished Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Data content of registers: ADDR PAYLOAD Maximum 256 bits ...
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... Clocks out Payload NO nRF2401 Register Empty? YES nRF2401 Sets Data Ready (DR1/2) low Figure 8 Flow Chart ShockBurst™ Receive of nRF2401 Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Data content of registers: Pre- ADDR PAYLOAD amble ADDR PAYLOAD ADDR PAYLOAD ...
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... To enable the demodulator to re-generate the clock, the preamble must be 8 bits toggling hi-low, starting with low if the first data bit is low this mode no data ready (DR) signals is available. Address and checksum verification must also be done in the receiving MCU. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Phone +4772898900 Page ...
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... MCU. F RF1 F =F +8MHz RF2 RF1 T M Figure 10 DuoCeiver with two simultaneously independent receive channels. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 nRF240 1 Tx/Rx nRF240 1 Tx/Rx Clock ADDR, Recovery, CRC DataSlicer ...
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... In power down the nRF2401 is disabled with minimal current consumption, typically less than 1 A. Entering this mode when the device is not active minimizes average current consumption, maximizing battery lifetime. The configuration word content is maintained during power down. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Phone +4772898900 Page ...
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... Table 8 Pin configuration of nRF2401 means the input should be set to either “low” or “high”. 2 Input if DR1 is “ low”. 3 Output if DR1 is “high” Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Page Revision: 1.1 INPUT PINS BIDIR PINS direction CS ...
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... PRE-AMBLE ADDRESS Figure 11 Data packet set-up Configuration for Direct Mode operation For direct mode operation only the two first bytes (bit[15:0]) of the configuring word are relevant. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 PAYLOAD Phone +4772898900 Page CRC ...
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... If the nRF2401 configured for 2 channel RX in ShockBurst™, a total of 120 bits must be shifted in during the first configuration after VDD is applied. Once the wanted protocol, modus and RF channel are set, only one bit (RXEN) is shifted in to switch between RX and TX. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Name Function ...
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... D11 Two Ch. BUF OD XO Frequency Table 10 Configuration data word The MSB bit should be loaded first into the configuration register. Default configuration word: h8E08.1C20.2000.0000.00E7.0000.0000.E721.0F04. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 D138 D137 D136 Default TEST D129 D128 D127 ...
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... ADDR_W: length of RX address set in configuration word B[23:18] CRC: check sum bits set in configuration word B[17] PRE: preamble, 8 bits are automatically included Shorter address and CRC leaves more room for payload data in each package. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 PLL_CTRL D120 ...
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... Logic 0: On-chip CRC generation/checking disabled Logic 1: On-chip CRC generation/checking enabled NOTE bit CRC will increase the number of payload bits possible in each ShockBurst™ data packet, but will also reduce the system integrity. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 ADDR2 71 70 ...
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... Bit 12-10: XO_F: Selects the nRF2401 crystal frequency to be used: XO FREQUENCY SELECTION D12 D11 Table 16 Crystal frequency setting. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 XO_F D10 Crystal Frequency [MHz Phone +4772898900 ...
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... The channels above 83 can only be utilized in certain territories (ex: Japan) The channel frequency in data channel 2 is given by: Channel 2400 MHz RF RF_CH #: between 2408MHz and 2524MHz may be set. Bit 0: Set active mode: Logic 0: transmit mode Logic 1: receive mode Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 [dBm - -10 1 ...
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... 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. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 PAYLOAD The preamble field is required in ShockBurst™ ...
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... When the nRF2401 is in power down it must always settle in stand by for 3ms before it can enter configuration or one of the active modes. PWR_UP CS CE CLK1 DATA Figure 13 Timing diagram for power down (or VDD off) to configuration mode Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Max. Min. 3ms 3ms 195 s 202 s ...
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... Note: CE and CS may not be high at the same time. Setting one or the other decides whether configuration or active mode is entered. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Tpd2a Phone +4772898900 ...
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... When one or more of the bits in the configuration word needs to be changed the following timing apply. PWR_UP CS CE CLK1 DATA Figure 15 Timing diagram for configuration of nRF2401 If configuration mode is entered from power down, CS can be set high after Tpd2sby as shown in Figure 13. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 CLK1 MSB DATA Th ...
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... CE CLK1 DATA ANT1/ANT2 Td Figure 16 Timing of ShockBurst™ The package length and the data rate give the delay Toa (time on air), as shown in the equation datarate (# databits OA Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 CLK1 DATA Phone +4772898900 Page sby2txSB Toa ...
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... Td Figure 17 Timing of ShockBurst™ The CE may be kept high during downloading of data, but the cost is higher current consumption (18mA) and the benefit is short start-up time (200 s) when DR1 goes low. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1 hmin Phone +4772898900 ...
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... XO The maximum length of a package (ToaDM) over all voltages and temperatures is 4ms. This is limited by frequency drift in the transmitter and is independent of data rate and frequency channel. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 T sby2txDM ToaDM is given by the equation: sby2txDM ...
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... PWR_UP CS CE CLK1/2 DATA/DOUT2 ANT1/ANT2 Td DATA/DOUT2 Figure 19 Timing of direct mode RX Tsby2rx describes the delay from the positive edge start detection of (demodulating) incoming data. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Tsby2rx CE T hdm CLK1/2 Tsdm Phone +4772898900 Page ...
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... Specifying a lower value of crystal parallel equivalent capacitance, C but this can increase the price of the crystal itself. Typically C specified for C =7.0pF. 0max Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 is recommended for maximum output ) can be obtained by fitting a RF output power ...
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... The nRF2401 crystal oscillator is amplitude regulated. To achieve low current consumption and also good signal- to-noise ratio recommended to use an input signal larger than 0.4 V-peak. The needed input swing is independent of the crystal Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 XO_OUT ...
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... VSS pads. One via hole should be used for each VSS pin. Full swing digital data or control signals should not be routed close to the crystal or the power supply lines. Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Phone +4772898900 Page ...
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... Table 23 Recommended components (BOM) in nRF2401 with antenna matching 1) nRF2401 can operate at several crystal frequencies, please refer to page 31. 2) Wire wound inductors are recommended, other can be used if their self-resonant frequency (SFR) is > 2.7 GHz Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 xxx R2 22K C9 1 ...
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... Top silk screen Top view Figure 22 nRF2401 RF layout with single ended connection to 50 Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 No components in bottom layer Bottom view size passive components ...
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... 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 Semiconductor ASA customers using or selling these products for use in such applications their own risk and agree to fully indemnify Nordic Semiconductor ASA for any damages resulting from such improper use or sale ...
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... PRODUCT SPECIFICATION nRF2401 Single Chip 2.4 GHz Radio Transceiver YOUR NOTES Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Phone +4772898900 Page Fax +4772898989 June 2004 ...
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... Nordic Semiconductor ASA – World Wide Distributors For Your nearest dealer, please see http://www.nordicsemi.no Vestre Rosten 81, N-7075 Tiller, Norway Phone: + 00, Fax: + Visit the Nordic Semiconductor ASA website at http://www.nordicsemi.no Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Revision: 1.1 Main Office: Phone +4772898900 Page ...