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Hi-Link HLK-7628D User Manual

Hi-Link HLK-7628D
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Shenzhen Hi-Link Electronic Co., Ltd.
HLK-7628D User Manual
Version: V1.0 Revised Date: 2019-6-19 Copr by Hi-link Electronic Co., Ltd.
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Hi-Link HLK-7628D Specifications

General IconGeneral
ModelHLK-7628D
CategoryControl Unit
ChipsetMT7628DAN
CPU ArchitectureMIPS 24KEc
CPU Frequency580 MHz
RAM64 MB
Flash Memory16 MB
Wi-Fi Standards802.11b/g/n
Wi-Fi Frequency2.4 GHz
Input Voltage5V
USB Ports1
Operating Temperature-20°C to 70°C
Efficiency85%
ProtectionOver-voltage, Over-current

Summary

Product Description and Basic Parameters

1.1. Basic parameters

Lists key features like processing capability, wireless rate, supported standards, interfaces, and OS.

Module Overview and Specifications

1.2. Module physical map

Shows front and back views of the HLK-7628D module.

2. Block diagram

Illustrates the module's internal architecture and key components.

2.1. Typical application

Depicts the module's peripheral interface connections and common usage scenarios.

2.2. Specification

Details module type, chip, kernel, frequency, storage, flash, temperature, humidity, and dimensions.

2.3. Interface

Lists supported interfaces like WiFi, Ethernet, UART, SPI, I2C, I2S, PWM, and GPIO.

Electrical and RF Characteristics

3.1. Power supply requirements

Specifies input voltage, no-load operating current, and supply current requirement.

3.2. Radio frequency characteristics

Provides detailed RF parameters for 802.11b, 802.11g, and 802.11n standards.

Module Pin Definition and Functions

4.1. Pin Definition Diagram

Visual representation of module pins and their labels.

4.2. Default pin function (serial passthrough firmware)

Details pin names, types, functions, and default features for serial passthrough firmware.

Physical and Assembly Information

5. Module dimension

Provides detailed mechanical dimensions of the module in millimeters.

6. Reflow soldering temperature curve

Outlines the recommended temperature profile for reflow soldering to prevent damage.

Appendix: Function Comparison Table

Appendix 1: Module chip expandable function comparison table (OpenWrt)

Compares module chip functions with GPIO assignments for OpenWrt.

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