Related Manuals for Hi-Link HLK-7628D
Summary of Contents for Hi-Link HLK-7628D
- Page 1 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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Page 2: Table Of Contents
Contents 1. PRODUCT DESCRIPTION.............................1 1.1. BASIC PARAMETERS............................1 1.2. MODULE PHYSICAL MAP..........................2 2. BLOCK DIAGRAM..............................2 2.1. TYPICAL APPLICATION............................ 3 2.2. SPECIFICATION..............................4 2.3. INTERFACE................................4 3. ELECTRICAL CHARACTERISTICS........................5 3.1. POWER SUPPLY REQUIREMENTS........................5 3.2. RADIO FREQUENCY CHARACTERISTICS.....................5 4. MODULE PIN DEFINITION..........................7 4.1. -
Page 3: Product Description
Manual 1. Product description HLK-7628D module from Hi-Link is a low-cost, low-power IoT module based on MediaTek's MT7628DN. This module introduces all interfaces of MT7628DN, supports Linux and OpenWrt operating system and custom development, has rich interface and powerful processor, can be widely used in smart devices or cloud service applications as well as freely second-developed. -
Page 4: Module Physical Map
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 1.2. Module physical map HLK-7628D Front and Back surface 2. Block diagram Ethernet UART 3.3V 40MHz GPIO USB_HOST IPEX Connector MT7628DN SPIS DDR2(64MB) JTAG EINT SPI Flash(16/32MB) SDXC HLK-7628D Module architecture diagram page 2 / 15... -
Page 5: Typical Application
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 2.1. Typical application HLK-7628D HLK-7628D Typical peripheral interface diagram page 3 / 15... -
Page 6: Specification
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 2.2. Specification Items Parameter Remarks Module type HLK-7628D Version V1.2 Chip MT7628DN Kernel MIPS24KEc Frequency 580MHz Storage DDR2 64MB Flash 16MB Customized 32MB/8MB Temperature Ambient temperature:-40℃~85℃ Use: 10~95% (non-condensing) Humidity Storage: 5~95% (non-condensing) Dimension 18mm×32.8mm×2.8mm... -
Page 7: Electrical Characteristics
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 3. Electrical characteristics 3.1. Power supply requirements Power supply requirements Power input voltage DC:3.3±0.2V No-load operating current 170±50mA Supply current requirement ≥800mA 3.2. Radio frequency characteristics 3.2.1. 802.11b 11M 802.11b Transmit (Conductive) Item Condition Min. - Page 8 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 3.2.2. 802.11g 54M 802.11g Transmit (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 Tx Power Level OFDM Frequency Tolerance Modulation Accuracy All Data Rate 802.11g Receiver (Conductive) Item Condition Min.
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Page 9: Module Pin Definition
All Data Rate 802.11n_HT40 Receiver (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 Min. Input MCS7 PER<10% -76.5 -74.5 -72.5 4. Module pin definition 4.1. Pin Definition Diagram HLK-7628D Default pin definition diagram page 7 / 15... -
Page 10: Default Pin Function (Serial Passthrough Firmware)
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 4.2. Default pin function (serial passthrough firmware) Type Function Description Default features Network name Can't be used to restore the default PORST_N Module reset (restart), active low settings, hang up without using Undefined, please hang up, cannot be... - Page 11 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual I2S_CLK I2S data bit clock Undefined, please hang up I2C_SCLK I2C bus clock Undefined, please hang up I2C_SD I2C bus data Undefined, please hang up Undefined, please hang up, cannot be SPI_CS1 SPI bus chip select signal 1...
- Page 12 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual PORT1 Network signal reception MDI_RN_P1 negative PORT2 Network signal reception MDI_RP_P2 positive PORT2 Network signal reception MDI_RN_P2 negative LAN2 port, hang up without using PORT2 Network signal MDI_TP_P2 transmission positive PORT2 Network signal...
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Page 13: Module Dimension
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual Remarks: 1. I-input; O-output; I/O-digital I/O; P-power; RF-radio interface. The IO port drives a current of 10mA. 2. The red on the name bar indicates that related to the start of the chip, the external can not be pulled down, can not be connected to the drive source. -
Page 14: Reflow Soldering Temperature Curve
HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual 6. Reflow soldering temperature curve When the module is over-fired, please strictly follow this temperature curve. If the temperature deviation of the reflow soldering is too large, the module will be damaged! Temperature setting (degrees Celsius) - Page 15 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual Appendix 1: Module chip expandable function comparison table (OpenWrt) Name (Function 1) Function 2 Function 3 Function 4 GPIO# Remarks SPI_CS0 GPIO#10 SPI bus chip select signal 0 REF_CLK0 GPIO#38 Reference clock output...
- Page 16 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual UART_TXD GPIO#12 Serial port 0 data output UART_RXD0 GPIO#13 Serial port 0 data input WLED_N GPIO#44 WiFi LED, active low PORT0 Network signal MDI_RP_P0 reception positive PORT0 Network signal MDI_RN_P0 reception negative PORT0 Network signal...
- Page 17 HLK-7628D Shenzhen Hi-Link Electronic Co., Ltd. Manual PORT3 Network signal MDI_RN_P3 SD_D0 eMMC_D0 GPIO#25 reception negative eMMC_CL PORT4 Network signal MDI_RP_P4 SD_CLK GPIO#26 reception positive eMMC_C PORT4 Network signal MDI_RN_P4 SD_CMD GPIO#28 reception negative PORT4 Network signal MDI_TP_P4 SD_D3 eMMC_D3...
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