DK-9181A
The DK-9181A is a BLE 5.3 low-power Bluetooth module powered by the Nordic nRF52840 MCU (Microcontroller Unit). It is equipped with an ARM Cortex M4F core processor, enabling support for high-speed LE PHY protocols, including 2M, 1M, and 125k long-range options, while offering flexible design configurations. The module is compatible with Bluetooth, Zigbee mesh profiles, and the comprehensive 802.15.4 protocol. The development kit supports the Nordic nRF5 SDK, NCS SDK, and Soft Device, as well as the Zephyr project, facilitating the development of Bluetooth low-energy applications. Its General Purpose Input/Output (GPIO) interfaces encompass QSPI, SPI, UART, I2C, PWM, ADC, NFC (Near Field Communication, NFC A), and a USB 2.0 high-speed interface, allowing for seamless connectivity with external devices and sensor systems.
Specification
nRF52840, ARM ® Cortex ® M4 32-bit processor with FPU, 64 MHz
1 MB Flash and 256 kB RAM
LE 2M PHY, LE 1M PHY, LE Coded PHY (Long Range)
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2 Mbps, 1 Mbps, 500 kbps, and 125 kbps
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IEEE 802.15.4-2006 – 250 kbps
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Proprietary 2.4 GHz – 2 Mbps, 1 Mbps
Radio
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• GFSK at 1 Mbps and 2 Mbps, QPSK at 250 Kbps
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-95 dBm sensitivity in 1 Mbps Bluetooth ® low energy mode-103 dBm sensitivity in 125 kbps Bluetooth ® low energy mode (long range)
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-20 to +8 dBm TX power, configurable in 4 dB steps
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On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP Series
Power Management
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1.7 V to 5.5 V supply voltage range
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1.8 V to 3.3 V regulated supply
Security features
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ARM ® TrustZone ® Cryptocell 310 security subsystem
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128-bit AES/ECB/CCM/AAR co-processor
Peripheral interface / Hardware
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USB 2.0 full speed (12 Mbps) controller
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QSPI 32 MHz interface
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High-speed 32 MHz SPI
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Type 2 NFC-A tag with wake-on field
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Touch-to-pair support
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Programmable peripheral interconnect (PPI)
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48 general purpose I/O pins (GPIO)
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EasyDMA automated data transfer between memory and peripherals
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Nordic SoftDevice ready with support for concurrent multiprotocol
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12-bit, 200 ksps ADC – 8 configurable channels with programmable gain
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64 level comparator
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15 level low-power comparator with wake-up from System OFF mode
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Temperature sensor
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4x4 channel PWM unit with EasyDMA
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Audio peripherals – I2S, digital microphone interface (PDM)
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5x 32-bit timer with counter mode
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Up to 4x SPI master/3x SPI slave with EasyDMA
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Up to 2x I2 C compatible two-wire master/slave
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2x UART (CTS/RTS) with EasyDMA
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Quadrature decoder (QDEC)
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3x real-time counter (RTC)
Product INFO
The DK-9181A module integrates Bluetooth® Low Energy technology from the Nordic Semiconductor 52 series, providing exceptional quality control and expedited delivery times. Nordic Semiconductor, a Norway-based fabless semiconductor company, specializes in wireless communication technologies that facilitate the advancement of the Internet of Things (IoT). Its technology portfolio has since expanded to encompass Bluetooth LE, Matter, Thread, Zigbee, proprietary 2.4G technologies, ANT+, and NFC technologies.
DK-9177A
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The module supports a comprehensive range of applications for Bluetooth® 5 Low Energy technology, featuring a high-performance ARM Cortex M4-FPU single-chip controller suitable for various project requirements. Additionally, it integrates an Ipex connector compatible with external antennas to enhance connectivity.
DK-9181A
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The module supports a wide range of applications for Bluetooth® 5 Low Energy technology, featuring a high-performance ARM Cortex M4-FPU single-chip controller suitable for various project requirements. Additionally, the module integrates a PCB antenna to enhance connectivity performance.
DK-9183A
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The module supports a comprehensive range of applications for Bluetooth® 5 Low Energy technology, featuring a high-performance ARM Cortex M4-FPU single-chip controller that is suitable for various project requirements. Additionally, it integrates a chip antenna to enhance connectivity.
SA-7351A
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This DK folder shortcut provides expedited access to the development kit user guide, facilitating the implementation and rapid initiation of hardware and firmware system design. It supports the porting process from the Nordic SDK and enables the efficient development of MCU embedded systems for functional testing and issue debugging.