Single chip ultra low power wireless
Ultra low power wireless system-on-chip solution
The nRF24LE1 is a unique solution offering a complete ultra low power
(ULP) wireless system-on-chip (SoC) solution. It integrates the industry best
nRF24L01+ 2.4GHz transceiver core, an enhanced 8051 microcontroller,
fl ash memory and a wide range of analog and digital peripherals.
RF Silicon
Software
Reference Design
Development Tools
Block diagram
PRODUCT BRIEF
nRF24LE1
nRF24LE1-F16Q24
nRF24LE1-F16Q32
nRF24LE1-F16Q48
The 8-bit microcontroller is powerful enough to run both the RF protocol
stack and the application layer, enabling a true single chip implementation
of ULP wireless applications.
KEY FEATURES
• Fully featured ultra low power nRF24L01+ 2.4GHz transceiver core
• Worldwide 2.4GHz ISM band operation
• Enhanced ShockBurst™ hardware link layer
• 250 kbps, 1 Mbps and 2 Mbps on-air data rate options
• Air compatible with nRF24L01; nRF24L01+; nRF24LU1; and nRF2401A,
-02, -E1 and -E2
System diagram
• Low cost external 60ppm 16MHz crystal
• Enhanced 8-bit 8051 compatible microcontroller
• 32-bit multiplication-division unit
• AES encryption/decryption accelerator
• 16 kbytes on-chip fl ash memory
• 1 kbyte on-chip data fl ash memory
• 512 bytes high-endurance data fl ash memory
• 1 kbytes on SRAM plus 256 bytes of IRAM
• Low power 16MHz crystal and RC oscillators
• Ultra low power 32kHz crystal and RC oscillators
• Flexible real-time counter and three 16-bit timers/counters
• Ultra low power analog comparator for system wake-up
• Rich set of digital interfaces including: SPI master/slave, 2-wire master/slave,
and UART
Optimized for ultra low power wireless
Advanced power management and on-chip peripherals
The nRF24LE1 is optimized to provide a single chip solution for ULP
wireless applications. The combination of processing power, memory, low
power oscillators, real-time counter, AES encryption accelerator, random
generator, plus a range of power saving modes provides an ideal platform
for implementation of RF Protocols. Benefits include tighter protocol timing,
security, lower power consumption and improved co-existence perform-
ance. For the application layer the nRF24LE1 offers a rich set of peripher-
als including: SPI, 2-wire, UART, 6 to 12-bit ADC, PWM, and an ultra low
power analog comparator for voltage level system wake-up.
• 2-channel PWM
• Programmable resolution ADC: 6, 8, 10, or 12-bits
• Random Number Generator based on thermal noise
• Supports the Nordic nRFProbe hardware debugger
• Programmable generic I/O pins
• Three package options:
4x4mm 24-pin QFN (7 Generic I/O pins)
5x5mm 32-pin QFN (15 Generic I/O pins)
7x7mm 48-pin QFN (31 Generic I/O pins)
Three package sizes for different applications
Same core but different package and I/O count
APPLICATIONS
• PC peripherals – mice, keyboards and remotes
The nRF24LE1 comes in three different package variants:
• An ultra compact 4x4mm 24-pin QFN (7 generic I/O pins)
• A compact 5x5mm 32-pin QFN (15 generic I/O pins)
• Gaming controllers
• RF remote controls for consumer electronics devices such as set-top boxes,
media players and TVs
• A 7x7mm 48-pin QFN (31 generic I/O pins)
The 4x4mm 24-pin QFN with 7 generic I/O pins is ideal for low I/O count
applications where small size is key. Examples include wearable sports
sensors and watches. The 5x5mm 32-pin QFN with 15 generic I/O pins
is ideal for medium I/O count applications such as wireless mice, remote
controls and toys. The 7x7mm 48-pin QFN with 31 generic I/O pins is for
high I/O count products like wireless keyboards.
• Sports and healthcare sensors
• Sport watches, bike computers, and gym equipment
• Remote controlled toys
• Active RFID
nRF24L01 Product Brief revision 1.0 Disclaimer: This product brief contains an overview of the silicon feature set and operating parameters and should not be considered as the fi nal specification. For current
and complete product specifications, please refer to the product specification, available from Nordic Semiconductor. Specifications are subject to change without notice. Trademarks are property of their
respective owners.
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