MCU_NRF52840 Target Family Info

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Features Supported

• Bluetooth Low Energy: This feature enables Mbed's BLE stack.
• Arm CryptoCell 310: Embedded security peripheral providing TRNG and H/W accelerated encryption algorithms.

Peripheral Drivers Supported

• True Random Number Generator: Cryptographic-grade True Random Number Generator (TRNG). This is required to implement SSL communications securely unless you provision devices with an entropy seed stored in nonvolatile storage.
• Low-Precision Ticker: Also known as the Low-Power Ticker, this peripheral keeps time at a low-frequency clock (usually 32kHz) and generates events for the application. Usually it is used to implement low power sleep.
• I2C Controller/Master: I2C driver for synchronous (blocking) controller/master mode
• GPIO Port Input: Driver for reading from an entire GPIO port at a time
• Legacy Async Serial (UART): Legacy asynchronous serial API via SerialBase
• SPI Controller/Master: Serial Peripheral Interface (SPI) controller/master mode
• GPIO Port Output: Driver for writing to an entire GPIO port at a time
• μs Ticker: Clock peripheral with at least microsecond resolution that Mbed uses to implement Timer and Ticker.
• Serial (UART): Support for buffered and unbuffered serial (UART) ports
• Analog Inputs: Analog input (ADC) peripheral driver
• Async I2C Controller/Master: Driver allowing I2C controller mode to be used in the background via interrupts and/or DMA.
• I2C Peripheral/Slave: I2C for interrupt-based peripheral/slave mode
• Serial RTS/CTS Flow Control: Serial (UART) peripheral supports using RTS and/or CTS pins for hardware flow control.
• Sleep: Support for sending the processor to sleep when no threads/ISRs are executing.
• GPIO Interrupts: GPIO input pin interrupt support
• GPIO Port I/O: Driver for using an entire GPIO port as a bidirectional I/O port.
• Async SPI: Allows use of SPI controller mode in the background via interrupts and/or DMA.
• PWM Out: Pulse Width Modulation (PWM) generator peripheral driver
• USB Device: USB Device peripheral. Allows the Mbed target to act as a USB device when connected to a host computer.
• Flash IAP: Driver allowing In-Application Programming (IAP) of the MCU flash memory.

Boards in this Target Family

Board	MCU Part Number	Extra Features	Extra Peripheral Drivers	Components	RAM Banks	Flash Banks
NRF52840_DK	nRF52840_xxAA		Quad SPI, ITM	SFDP QuadSPI Flash	IRAM1: 256 kiB	IROM1: 1024 kiB
ARDUINO_NANO33BLE	nRF52840_xxAA				IRAM1: 256 kiB	IROM1: 1024 kiB
ARDUINO_NANO33BLE_SWD	nRF52840_xxAA				IRAM1: 256 kiB	IROM1: 1024 kiB
EP_AGORA	nRF52840_xxAA		Quad SPI, ITM	SFDP QuadSPI Flash, Telit ME910	IRAM1: 256 kiB	IROM1: 1024 kiB
EP_ATLAS	nRF52840_xxAA		Quad SPI, ITM	Telit ME310, SFDP SPI Flash	IRAM1: 256 kiB	IROM1: 1024 kiB

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