Hi-Link HLK-7628NE

HLK-7628NE WiFi Module User Manual

Model: HLK-7628NE

ബ്രാൻഡ്: ഹൈ-ലിങ്ക്

1. ആമുഖം

The HLK-7628NE module from Hi-Link Electronics is a cost-effective and low-power 300M IoT module. It is built around the MediaTek MT7628NN chipset, offering robust processing capabilities and a wide array of interfaces. This module is designed to support Linux and OpenWrt operating systems, enabling custom development for various smart devices and cloud service applications.

It is suitable for secondary development in applications such as gateways, robotics, and other electronic devices requiring WiFi connectivity.

2 സ്പെസിഫിക്കേഷനുകൾ

The HLK-7628NE module offers the following key features and specifications:

  • MCU Main Frequency: 580MHz വരെ
  • വയർലെസ് വേഗത: 300Mbps
  • വൈഫൈ സ്റ്റാൻഡേർഡ്: IEEE 802.11b/g/n
  • ചാനൽ ബാൻഡ്‌വിഡ്ത്ത്: 20/40 MHz
  • പ്രവർത്തന രീതികൾ: Supports AP, STA, and AP+STA mixed mode
  • നെറ്റ്‌വർക്ക് പോർട്ടുകൾ: 5 10/100M adaptive Ethernet ports (1 WAN, 4 LAN)
  • USB ഇൻ്റർഫേസ്: 1 USB2.0 host interface
  • പെരിഫറൽ ഇന്റർഫേസുകൾ: SPI, I2C, I2S, PCM, UART, JTAG, GPIO
  • IoT Application: Widely used in IoT devices
  • ഊർജ്ജനിയന്ത്രണം: Built-in powerful PMU (Power Management Unit)
  • BSSID Support: Supports 16 Multiple BSSID
  • Encryption Methods: WEP64/128, TKIP, AES, WPA, WPA2, WAPI
  • സേവനത്തിൻ്റെ ഗുണനിലവാരം: Supports QoS, WMM, WMM-PS
  • ഓപ്പറേറ്റിംഗ് സിസ്റ്റങ്ങൾ: Supports Linux 2.6.36 SDK, OpenWrt 14.07

2.1 വിശദമായ പരാമീറ്ററുകൾ

ഇനംപരാമീറ്റർഅഭിപ്രായങ്ങൾ
മോഡൽ നമ്പർHLK-7628N
പ്രധാന ചിപ്സെറ്റ്എംടി7628എൻഎൻ
കേർണൽMIPS24KEc
പ്രധാന ആവൃത്തി580MHz
മെമ്മറിDDR2 64MBCustomizable (32MB, 128MB)
ഫ്ലാഷ്16എംബിCustomizable (8MB, 32MB)
താപനിലAmbient: -40℃ ~ 85℃
ഈർപ്പംUse: 10~95% (non-condensing)
Store: 5~95% (non-condensing)
വലിപ്പം18.5mm × 35.5mm × 2.5mmസഹിഷ്ണുത ± 0.5 മിമി

Table of detailed specifications for HLK-7628N module including chipset, frequency, memory, flash, temperature, humidity, and size.ചിത്രം 1: വിശദമായ സ്പെസിഫിക്കേഷൻ പട്ടിക

2.2 ഇന്റർഫേസ് ഓവർview

ഇൻ്റർഫേസ്Module Interface AvailabilityDefault Firmware Support
വൈഫൈ സ്റ്റാൻഡേർഡ്IEEE 802.11b/g/nപിന്തുണ
ഇഥർനെറ്റ്5 10M/100M adaptive1WAN, 4LAN
UART3 ചാനലുകൾ2-way UART with transparent transmission function
എസ്ഡിഐഒ1 ചാനൽപിന്തുണയില്ല
എസ്.പി.ഐ1 ചാനൽപിന്തുണയില്ല
I2C1 ചാനൽപിന്തുണയില്ല
ഐ2എസ്1 ചാനൽപിന്തുണയില്ല
പി.ഡബ്ല്യു.എം1 ചാനൽപിന്തുണയില്ല
ജിപിഐഒ8-ലധികം ചാനലുകൾDefined function

Table of interfaces available on the HLK-7628N module and their default firmware support.Figure 2: Interface Availability and Support

2.3 Module Architecture

The block diagram below illustrates the internal architecture of the HLK-7628N module, highlighting the MT7628NN chipset and its connections to various components and interfaces.

Block diagram of the HLK-7628N module architecture, showing MT7628NN chipset, DDR2, SPI Flash, IPEX Connector, and various interfaces like Ethernet, UART, GPIO, PWM, USB_HOST, SPI, I2C, I2S, JTAG, EINT, SDXC.Figure 3: HLK-7628N Module Architecture Diagram

3. സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും

The HLK-7628NE module is designed for integration into larger systems or for use with a test kit. This section provides guidance for initial setup.

3.1 മൊഡ്യൂൾ കഴിഞ്ഞുview

The module itself is a compact PCB with the MT7628NN chipset, RAM, and Flash memory. It features a metal shield for EMI protection and pin headers for connectivity.

മുകളിൽ view of the HLK-7628NE WiFi Module, showing the metal shield and pin headers.Figure 4: HLK-7628NE Module

The module dimensions are approximately 35.2mm x 18.7mm.

Dimensions of the HLK-7628NE module, showing length of 35.2mm and width of 18.7mm.Figure 5: HLK-7628NE Module Dimensions

3.2 Using the Test Kit (if applicable)

For development and testing, the HLK-7628NE module can be used with a dedicated test board. The test kit typically includes the module, a test board, antennas, and a power adapter.

HLK-7628NE Test Kit components: module, test board, two antennas, and power adapter.Figure 6: HLK-7628NE Test Kit

To set up the test kit:

  1. Carefully insert the HLK-7628NE module into the designated slot on the test board. Ensure correct orientation and secure connection.
  2. Connect the antennas to the IPEX connectors on the test board.
  3. Connect the power adapter to the test board's power input.
  4. Connect Ethernet cables to the LAN/WAN ports as required for your network configuration.
  5. The test board provides access to various interfaces for debugging and development.

HLK-7628NE module inserted into a test board, showing the pin connections and various ports.Figure 7: Module on Test Board

HLK-7628NE module and test board, illustrating how the module connects to the larger patch panel.Figure 8: Module and Patch Panel Connection

4. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

The HLK-7628NE module supports Linux and OpenWrt operating systems, allowing for flexible configuration and application development.

4.1 Software Development

The module comes with an SDK for Linux 2.6.36 and OpenWrt 14.07. Developers can utilize these environments for custom firmware and application development.

  • OpenWrt: A popular embedded operating system for routers and embedded devices. It provides a fully writable filesystem with package management.
  • Linux SDK: Offers a robust environment for developing custom applications and drivers.

Refer to the official Hi-Link documentation and community resources for detailed programming guides and exampലെസ്.

4.2 നെറ്റ്‌വർക്ക് കോൺഫിഗറേഷൻ

When used as a router or gateway, the default firmware typically configures one WAN port and four LAN ports. Access the module's web interface (if provided by default firmware) or command-line interface (CLI) via serial console or SSH to configure network settings, WiFi parameters, and other functionalities.

സ്ഥിരസ്ഥിതി IP വിലാസം: (Typically 192.168.1.1 or similar, check specific firmware documentation)

ഡിഫോൾട്ട് ലോഗിൻ: (Typically root/admin, check specific firmware documentation)

4.3 വീഡിയോ ഓവർview

ഒരു വിഷ്വൽ ഓവറിനായി ഈ വീഡിയോ കാണുകview of the HLK-7628NN module, its production process, and packaging.

Video 1: HLK-7628NN Module Production and Packaging Overview

5. പരിപാലനം

To ensure optimal performance and longevity of your HLK-7628NE module, follow these maintenance guidelines:

  • പരിസ്ഥിതി വ്യവസ്ഥകൾ: Operate the module within the specified ambient temperature range of -40℃ to 85℃ and humidity range of 10% to 95% (non-condensing). Avoid extreme temperatures and high humidity.
  • വൈദ്യുതി വിതരണം: Ensure a stable and clean power supply (3.3V) to prevent damage to the module.
  • ശാരീരിക കൈകാര്യം ചെയ്യൽ: Handle the module with care, especially when inserting or removing it from a test board or custom PCB. Avoid applying excessive force.
  • ഫേംവെയർ അപ്‌ഡേറ്റുകൾ: Regularly check for firmware updates from Hi-Link or the OpenWrt community to benefit from bug fixes, security patches, and new features. Follow official update procedures carefully.
  • വൃത്തിയാക്കൽ: Keep the module and its connectors clean and free from dust and debris. Use a soft, dry brush or compressed air for cleaning. Avoid liquid cleaners.

6. പ്രശ്‌നപരിഹാരം

പൊതുവായ പ്രശ്നങ്ങൾക്കുള്ള അടിസ്ഥാന ട്രബിൾഷൂട്ടിംഗ് ഘട്ടങ്ങൾ ഈ വിഭാഗം നൽകുന്നു.

6.1 No Power/Module Not Responding

  • പവർ സപ്ലൈ പരിശോധിക്കുക: Verify that the power supply is connected correctly and providing the specified 3.3V.
  • കണക്ഷൻ: Ensure the module is securely seated in its socket or connected to the development board.
  • LED സൂചകങ്ങൾ: Observe any LED indicators on the module or test board. Refer to the specific firmware documentation for LED behavior.

6.2 വൈഫൈ കണക്റ്റിവിറ്റി പ്രശ്നങ്ങൾ

  • ആന്റിന കണക്ഷൻ: Ensure antennas are properly connected to the IPEX connectors.
  • ഫേംവെയർ കോൺഫിഗറേഷൻ: Check WiFi settings in the firmware (SSID, password, channel, mode).
  • ഇടപെടൽ: മറ്റ് 2.4GHz ഉപകരണങ്ങളിൽ നിന്നുള്ള ഇടപെടൽ കുറയ്ക്കുക.

6.3 Network Port Issues

  • കേബിൾ കണക്ഷൻ: Verify Ethernet cables are securely connected to the correct LAN/WAN ports.
  • Link Lights: Check link/activity LEDs on the Ethernet ports.
  • ഫേംവെയർ കോൺഫിഗറേഷൻ: Ensure network interface configurations (IP addresses, DHCP, routing) are correct in the firmware.

6.4 ഉപയോക്തൃ നുറുങ്ങുകൾ

  • ഇഷ്ടാനുസൃത ഫേംവെയർ: For advanced users, exploring custom OpenWrt builds can unlock additional features and optimizations.
  • ചൂട് മാനേജ്മെൻ്റ്: While designed for a wide temperature range, ensure adequate airflow, especially when integrating into compact enclosures, to prevent overheating during heavy loads.
  • ഡോക്യുമെൻ്റേഷൻ: Always refer to the latest official documentation and community forums for the most up-to-date information and support.

7. വാറൻ്റിയും പിന്തുണയും

For warranty information, technical support, and further inquiries, please contact Hi-Link Electronics directly or refer to their official webസൈറ്റ്.

Hi-Link Electronics is a high-tech enterprise specializing in R&D, production, and sales of IoT modules, including AC DC/DC DC power modules, WiFi modules, and Human presence radar modules. They also support APP customization.

ബന്ധപ്പെടാനുള്ള വിവരങ്ങൾ: (Refer to manufacturer's official web(നിലവിലെ ബന്ധപ്പെടാനുള്ള വിവരങ്ങൾക്ക് സൈറ്റ് സന്ദർശിക്കുക)

സർട്ടിഫിക്കേഷനുകൾ: CE, FCC, RoHS

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