The NXP Internet (IOT) gateway is an important part of the wired network that connects devices with everyday wireless capabilities, and they can be controlled and monitored. Based on the host controller running OpenWrt ARM9 Linux operating system, it provides an easy to use platform system development. Its software design is modular, allowing for easy customization, including application change software. The wireless interface can participate in ZigBee or JenNeTIP networks. With the addition of a wireless USB adapter, the gateway can participate in a hybrid network. Data encryption uses standard Internet technology and 128-bit AES-encrypted wireless communication technology on the wired interface. This IoT Gateway is an Ethernet gateway that is closely linked to low-power wireless networks and is based on the IEEE 802.15.4 standard and is compatible with ZigBee and JenNet-IP smart gateways. 1. Functional block diagram 2. Important features 2.1 ARM926EJ-S processor, CPU clock running rate up to 266MHz The LPC3240 has a CPU operating frequency of up to 266 MHz. The NXP implementation uses an ARM926EJ-S CPU with a Harvard architecture, a 5-stage pipeline and a complete memory management unit (MMU). The LPC3240 also includes 256 kB of on-chip static RAM, a NAND flash interface, an Ethernet MAC, an external bus interface that supports SDR and DDR SDRAM, and other static devices. In addition, the LPC3240 includes a USB 2.0 full speed interface, 7 UARTs, 2 I2C bus interfaces, 2 SPI/SSP ports, 2 I2S bus interfaces, 2 single output PWMs, 1 motor controlled PWM, 6 with capture inputs and Compare the output of the general purpose timer, an SD interface, and a 10-bit analog-to-digital converter (ADC) with touch screen detection options. Details: NXP LPC3240 2.2 Wireless Zigbee Communication Using NXP JN5168 Chip The JN5168 is an ultra-low power, high performance wireless microcontroller supporting JenNet-IP, ZigBee Smart Energy, ZigBee Light Link, RF4CE and IEEE802.15.4 network protocol stacks for Smart Energy, Home AutomaTIon, Smart LighTIng, remote or wireless Sensor application. The device features an enhanced 32-bit RISC processor with 256 kB of embedded Flash, 32 kB of RAM and 4 kB of EEPROM memory for high encoding efficiency with variable-width instructions; a multi-level instruction pipeline with programmable clock rates Low power operation. The device also integrates a 2.4 GHz IEEE802.15.4 compliant transceiver with a variety of analog and digital peripherals. Excellent battery life with state-of-the-art 15 mA operating current and 0.6 μA sleep timer mode, allowing direct power from a single button cell. Details: NXP JN5168 Wireless Microcontroller 2.3 Using TI DP83848K 10/100M Ethernet Transceiver The DP83848 10/100 Mb/s single physical layer device provides low power performance with an intelligent power-off state-energy detection mode. 3. Product advantages JN5168 ZigBee / JenNet-IP wireless interface ZigBee optical link, ZigBee Home Automation and JenNet-IP provide a single application layer Customized software enables hybrid ZigBee home automation / ZigBee wireless optical link network MIB-based JIP application layer Mirroring system for Linux operating system Programmable custom application Support for standard network security, including TLS Support local web server NXP LPC 3240 ARM9 host controller 1 GB flash 512 KB SRA 256 KB EEPROM 7-16 V DC power input Ethernet RJ45 port USB port supports WiFi adapter or additional network layer CE and FCC certification Customizable LED and button functions RP-SMA connector and external antenna 4. Application area Network control of ZigBee network Network control of JenNet-IP network Connected Ethernet Gateway/Protocol Intelligent building communication and control Dongguan Formal Precision Metal Parts Co,. Ltd , https://www.formalmetal.com
Details: TI DP83848