One Time Programmable 2.4GHz Transceiver w/USB controller

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A single chip solution with the nRF24LU1+ OTP
The nRF24LU1+ OTP is a unique single chip solution for compact USB dongles for entry level wireless peripherals. By integrating an USB 2.0 compliant device controller, 8 bit application microcontroller and a nRF24L01+ compatible 2.4GHz RF transceiver it supports a wide range of application including PC peripherals, sports accessories and game peripherals.

With air data rate of up to 2 Mbps combined with full speed USB, supporting up to 12 Mbps, the nRF24LU1+ OTP meets the requirements of applications with stringent performance requirements such as wireless mouse, game controllers and media center remote controls with displays.

Highly integrated solution
Compact 5x5mm package, low cost external BOM In addition to the main blocks the nRF24LU1+ OTP integrates other critical functionality, saving cost and board space. An internal voltage regulator enables the chip to be powered directly from the USB bus it does not require an external voltage regulator. With a fully integrated RF synthesizer and PLL for the USB no external loop filters, resonators or VCO varactor diodes are required.

Only 1 low cost ±60ppm 16MHz crystal plus passives for ESD protection, decoupling, antenna matching circuitry is required. nRF24LU1+ OTP, enables true single chip USB dongles (depicted dongle is part of the nRF24LU1+ development kit).

A complete development platform
For firmware and hardware engineers The nRF24LU1+ OTP is supported by a complete development platform enabling designers to easily develop hardware and firmware for the chip. The platform comprises three key elements: the nRFgo Starter Kit, the nRF24LU1+ Development Kit (flash version) and the nRFgo Flash/OTP Programming Adapter Kit.

The development kit for the nRF24LU1+ OTP is the same as for the nRF24LU1+ (flash version), documentation is available on how to develop firmware on the flash version that works on the nRF24LU1+ OTP. The nRFgo Flash/OTP Programming Adapter Kit is a plug-in for the nRFgo Starter Kit that enables both programming of blank un-mounted and mounted nRF24LU1+ OTP parts.


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nRF24L01+ compatible RF transceiver
Worldwide 2.4 GHz ISM band operation
Up to 2 Mbps on air data rate
Enhanced ShockBurst hardware link layer
Air compatible with nRF24LU1, nRF24LU1+, nRF24LE1 OTP, nRF24LE1, nRF24L01+, nRF24L01, nRF2401A, nRF2402, nRF24E1 and nRF24E2
Low cost external 60 ppm 16 MHz crystal
Full speed USB 2.0 compliant device controller
Up to 12 Mbps USB transfer rate
2 control, 10 bulk/interrupt and 2 ISO endpoints
Dedicated 512 bytes endpoint buffer RAM
Software controlled pull-up resistor for D+
PLL for full-speed USB operation
Voltage regulator, 4.0 to 5.25V supply range
Enhanced 8-bit 8051 compatible microcontroller
Drop-in compatibility with nRF24LU1 and nRF24LU1+ except for programming
Reduced instruction cycle time
32-bit multiplication-division unit
16 + 1 kbytes of on-chip OTP memory
2 kbytes of on-chip SRAM
6 general purpose digital input/output pins
Hardware SPI slave and master, UART
3 16-bit timers/counters
AES encryption/decryption co-processor
Compact 32-pin 5x5mm QFN package


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