nRF52840数据手册RF/IF射频/中频RFID的射频收发器IC规格书PDF

描述 Description

The nRF52840 is designed around an ARM Cortex-M4 CPU with floating Point unit (FPU) and has 1MB flash with cache and 256kB RAM. As such it has the ability to support complex and demanding applications as a single chip solution. It offers a wealth of peripherals that include NFC, USB and multiple interface options including Quad SPI (QSPI). Security is paramount in today's IoT designs and the nRF52840 has high-end security features included to achieve best in clas security with an ARM CryptoCEll cryptographic system on chip and a full AES 128-bit encryption suite.

特性 Features

• Advanced Single chip 2.4 GHz multi-protocol SoC\r
• 32-bit ARM Cortex-M4F Processor\r
• 1.7v to 5.5v operation\r
• 1MB flash + 256kB RAM\r
• Bluetooth 5 support for long range and high throughput\r
• 802.15.4 radio support\r
• On-chip NFC\r
• PPI –Programmable Peripheral Interconnect\r
• Automated power management system with automatic power management of each peripheral\r
• Configurable I/O mapping for analog and digital I/O\r
• 48 x GPIO\r
• 1 x QSPI\r
• 4 x Master/Slave SPI\r
• 2 x Two-wire interface (I²C)\r
• I²S interface\r
• 2 x UART\r
• 4 x PWM\r
• USB 2.0 controller\r
• ARM TrustZone CryptoCell-310 Cryptographic and security module\r
• AES 128-bit ECB/CCM/AAR hardware accelerator\r
• Digital microphone interface (PDM)\r
• Quadrature decoder\r
• 12-bit ADC\r
• Low power comparator\r
• On-chip 50Ω balun\r
• On-air compatible with nRF52, nRF51 and nRF24 Series

应用 Application

• Advanced high performance wearables\r
• Wearables for secure payments\r
• Virtual Reality/Augmented Reality systems\r
• Smart Home sensor networks\r
• Smart city sensor networks\r
• High performance HID controllers\r
• Internet of Things (IoT) sensor networks\r
• Smart door locks\r
• Smart lighting networks\r
• Connected white goods