nRF52840 系统级芯片(SoC)

多协议蓝牙5.2 SoC,支持低功耗蓝牙、蓝牙Mesh、NFC、Thread和Zigbee

nRF52840 SoC是nRF52系列中最先进的一员。它可以满足需要协议并发性、丰富外围设备和复杂应用所面临的挑战。它为闪存和RAM提供了充足的内存,而这些正是高要求应用的必备条件。

nRF52840是具有完全协议并发能力的多协议SoC。它支持低功耗蓝牙、蓝牙Mesh、Thread、Zigbee、802.15.4、ANT和2.4 GHz专有协议栈。

nRF52840基于带有浮点单元的32位ARM® Cortex™-M4 CPU,主频为64 MHz。内置NFC-A标签用于简化的配对和支付解决方案。本芯片内置ARM TrustZone® CryptoCell密码算法单元,可独立于CPU高效执行密码算法任务。它有许多数字外设和接口,如高速SPI和QSPI接口,用于连接到外部闪存和显示器,PDM和I2S连接数字麦克风和音频;还有一个全速USB设备,用于数据传输和作为电源为电池充电。

通过精密的片上自适应电源管理系统,实现了极低的功耗。

 

Download PDFnRF52840 SoC产品简介简体中文版(PDF)

 

Key features
  • 64 MHz Cortex-M4 with FPU
  • 1 MB Flash, 256 KB RAM
  • 2.4 GHz Transceiver
  • 2 Mbps, 1 Mbps, Long Range
  • Bluetooth Low Energy, Bluetooth mesh
  • ANT, 802.15.4, Thread, Zigbee
  • +8 dBm TX Power
  • 128-bit AES CCM, ARM CryptoCell
  • UART, SPI, TWI, PDM, I2S, QSPI
  • PWM
  • 12-bit ADC
  • NFC-A
  • USB 2.0

Reference layout

and BOM resources

Selected version
1.3 QIAA Layout and BOM resources

Changelog:

1.3 QIAA Layout and BOM resources

  • "Not required for build code Fxx and later" is added to DEC5 capacitor, where x represents a digit between 0 and 9.

1.2 QIAA Layout and BOM resources

1.1 QIAA Layout and BOM resources

Download nRF52840 QIAA reference layout v1.1 [ZIP]

1.0 QIAA Layout and BOM resources

Download nRF52840 QIAA reference layout v1.0 [ZIP]

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nRF52840 QIAA
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Compatible SoftDevices

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SoftDevice S340

Version: 6.1.1

SoftDevice S340 is a combined Bluetooth LE and ANT protocol stack supporting concurrent operation on the nRF52840 SoC. It is distributed and Bluetooth qualified by Garmin Canada, Inc.

SoftDevice S113

Version: 7.2.0

SoftDevice S113 is a memory-optimized Peripheral-only Bluetooth LE protocol stack for the nRF52805, nRF52810, nRF52811, nRF52820, nRF52832, nRF52833 and nRF52840 SoCs.

SoftDevice S140

Version: 7.2.0

SoftDevice S140 is a feature-rich Central and Peripheral Bluetooth LE protocol stack for the nRF52811, nRF52820, nRF52833 and nRF52840 SoCs.

Compatible SDK versions

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nRF5 SDK

Version: 17.1.0

The Bluetooth LE and ANT software development kit

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