aconno ACN52840 Users Manual
IoT made easy
D A T A S H E E T
ACN52840
Fully integrated, ultra-low power, Bluetooth 5.0 module
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
2
Datasheet
aconno ACN52840 V1.2
The ACN52840 is a fully integrated, ultra-low power, Bluetooth 5 low energy module in a
small form factor which features the advanced Nordic Semiconductor nRF52840 SoC.
Its capabilities are tailored for the upcoming demands of sophisticated IoT devices where
small size, low power, application performance and radio-range are essential.
Unlike many competitors it features a maker-friendly PCB scale package which allows a fast
and easy integration without sacrificing access to its advanced peripherals and capabilities.
The ACN52840 features a large number of GPIOs including NFC and USB connectivity.
Thanks to an on-board antenna and Bluetooth 5 its RF performance is excellent, allowing up
to 1000m range on open field. To provide quick access to the programming interface of the
SoC, the module also features a Tag-Connect connector.
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
3
Table of Contents
1. Overview and Features ................................................................................................. 4
2. Applications .................................................................................................................. 4
3. Block Diagram ............................................................................................................... 5
4. Pin Description .............................................................................................................. 6
5. Module Specifications ................................................................................................... 9
5.1 Absolute Maximum Ratings ................................................................................................ 9
5.2 Recommended Operating Conditions ................................................................................ 10
5.3 Current Consumption ........................................................................................................ 11
5.4 Clock Sources .................................................................................................................... 13
5.5 Radio Specifications .......................................................................................................... 13
5.6 GPIO Specifications ........................................................................................................... 14
6. Electrical Schematic .................................................................................................... 15
7. Mechanical Outlines.................................................................................................... 16
7.1 Marking on metal shielding ............................................................................................. 16
8. Firmware .................................................................................................................... 18
8.1 S140 Bluetooth 5 SoftDevice ............................................................................................. 19
8.2 S132 BLE SoftDevice .......................................................................................................... 20
8.3 S212 ANT SoftDevice ......................................................................................................... 21
9. Programming / Flashing with Tag Connect ................................................................... 22
10. Certification .............................................................................................................. 23
11. Revision History ........................................................................................................ 26
12. Contact Information .................................................................................................. 27
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
4
1. Overview and Features
● Based on Nordic Semiconductor’s
nRF52840 Bluetooth Smart SoC
● 32-bit ARM® Cortex™ M4 high performance 64 MHz
processor core with FPU and
1024kB Flash / 256 kB RAM
● ARM® TrustZone® Cryptocell 310 security subsystem
● On-board precision Epson 32 MHz and 32.768 kHz
crystal clock sources
● Tag-Connect SWD easy-to-use programming interface
● Up to 28 GPIOs with flexible module pin mapping
● Programmable peripherals for CPU-less operation
● SPI / UART / TWI (I2C)
● USB 2.0 full speed (12 Mbps) controller
● 200 ksps 14-bit successive approximation ADC with
oversampling
● Low power comparator
● I²S and PDM peripherals for Audio
● Quadrature demodulator
● RGB LED
● Fully tuned RF on-board antenna for excellent
performance and range
● -20 dBm to +8 dBm output power
● Ultra-low power consumption
● Dimensions: 20.2 x 25 x 3 mm
● Temperature Range: -40°C to +85°C
● Wide supply voltage range: 1.7V to 3.6V
● 3V Lithium battery supported
● NFC-A tag for OOB Bluetooth Smart pairing and wakeup
on field
● Multiprotocol 2.4 GHz radio
2. Applications
• IoT connected devices
• Bluetooth Smart Sensors
• Home Automation and Control
• Lighting
• Beacons
• Battery driven applications such as
wearables
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
5
3. Block Diagram
The heart of the ACN52840 module is Nordic’s highly integrated nRF52840 Bluetooth 5 SoC
which contains a 2.4 GHz transceiver, a 32-bit ARM® Cortex™-M4 CPU with FPU, a 1024 kB
flash memory, 256 kB RAM as well as analog and digital peripherals.
It can support BLE, ANT/ANT+ as well as Thread and its meshing capabilities and a range of
proprietary 2.4 GHz protocols through so called SoftDevices from Nordic Semiconductor,
which can be downloaded freely from Nordic’s website.
Ultra-low power consumption and advanced power management enables a battery lifetime
up to several years on a coin cell battery. The 20.3 x 25 x 3 mm sized module integrates
power supply decoupling capacitors, 32 MHz and 32.768 kHz crystals, load capacitors, a DCDC converter, a RF matching circuit and an antenna in addition to the wireless SoC.
The module also features a small RGB LED for optical feedback.
Solely the addition of a suitable DC power source is necessary for BLE and/or ANT
connectivity. As a result of its Tag-Connect capabilities, the ease of application is further
increased. Sensor applications require additional appropriate sensors.
NFC functionality requires an externally connected antenna.
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
6
4. Pin Description
The module uses a user-friendly PCB with surrounding solder pads (1.4 mm pitch) in order to
provide flexible, “through hole mounting” for rapid prototyping or, furthermore, a SMD
mounting technique for a permanent implementation.
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
7
I/O Pins sorted by port name:
Pin
Name
Pin function
Description
1, 13,
35
GND
Ground
Should be connected to the ground potential of the
application board
12, 24,
32
VDD
Power
Power supply (1.7 V – 3.6 V)
23
VBUS
Power
USB bus voltage (4.35 V – 5.5 V)
33
SWDIO
Digital I/O
Debug
Serial Wire Debug I/O for
debugging and programming
34
SWDCLK
Digital Input
Debug
Serial wire debug clock input for
debugging and programming
31
P0.18 / Reset /
SWO
Digital I/O
Debug
Reset, serial wire debug output for debugging and
programming
5
P0.02 / AIN0
Digital I/0
Analog In
GPIO / Analog Input 0 / standard drive / low
frequency
6
P0.03 / AIN1
Digital I/0
Analog In
GPIO / Analog Input 1 / standard drive / low
frequency
14
P0.04 / AIN2
Digital I/0
Analog In
GPIO / Analog Input 2
11
P0.05 / AIN3
Digital I/0
Analog In
GPIO / Analog Input 3
17
P0.06
Digital I/O
GPIO
20
P0.08
Digital I/O
GPIO
19
P0.09 / NFC1
Digital I/O
NFC
GPIO / Connection to NFC-coil / standard drive / low
frequency
18
P0.10 / NFC2
Digital I/O
NFC
GPIO / Connection to NFC-coil / standard drive / low
frequency
22
P0.12
Digital I/O
GPIO
27
P0.13
Digital I/O
GPIO
28
P0.15
Digital I/O
GPIO
29
P0.17
Digital I/O
GPIO
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
8
Pin
Name
Pin function
Description
30
P0.24
Digital I/O
GPIO
15
P0.26
Digital I/O
GPIO
16
P0.27
Digital I/O
GPIO
7
P0.28 / AIN4
Digital I/O
Analog In
GPIO / Analog Input 4 / standard drive / low
frequency
8
P0.29 / AIN5
Digital I/O
Analog In
GPIO / Analog Input 5 / standard drive / low
frequency
10
P0.30 / AIN6
Digital I/O
Analog In
GPIO / Analog Input 6 / standard drive / low
frequency
9
P0.31 / AIN7
Digital I/O
Analog In
GPIO / Analog Input 7 / standard drive / low
frequency
21
P1.09
Digital I/O
GPIO
2
P1.10
Digital I/O
GPIO / standard drive / low frequency
3
P1.13
Digital I/0
GPIO / standard drive / low frequency
4
P1.15
Digital I/0
GPIO / standard drive / low frequency
25
USB D-
Digital I/0
USB
USB data negative (differential)
26
USB D+
Digital I/0
USB
USB data positive (differential)
aconno.de
August 27, 2018
The information contained in this document is the prope rty of aconno GmbH and should not be disclosed to any third party with out written permission.
Specification subject to change without notice. © aconno GmbH 2018
9
5. Module Specifications
The specifications of the aconno ACN52840 module follow those of the nRF52840 SoC.
The following high-level parameters are valid for the module.
5.1 Absolute Maximum Ratings
Min
Typ
Max
Unit
Supply Voltages
VDD
-0.3
+3.9
V
VBUS
-0.3
+5.8
V
VSS 0 V
I/O Pin Voltage
V
I/O
, VDD < 3.6V
-0.3
VDD + 0.3
V
V
I/O
, VDD > 3.6V
-0.3
3.9
V
NFC antenna pin current
I
NFC 1/2
80
mA
Radio
RF input level
10
dBm
Environmental1
Storage Temperature
-40
+125
°C
Moisture Sensitivity Level
2
ESD Human Body Model
2 kV
ESD Charged Device Model
750
kV
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