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Summary of Contents for Hi-Link HLK-RM08S
- Page 1 SHENZHEN HI-LINK ELECTRONIC CO.,LTD HLK-RM08S USER MANUAL Version：V1.0 Issuing date：2017-2-17 copy right@Hi-Link...
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Page 2: Table Of Contents
CONTENTS 1. BRIEF INTRODUCTION ............................1 1.1. BASIC PARAMETERS ............................ 1 2. BLOCK DIAGRAM ..............................2 2.1. TYPICAL APPLICATION ..........................3 2.2. SPECIFICATIONS ............................4 3. ELECTRICAL CHARACTERISTICS .......................... 4 3.1. INPUT VOLTAGE ............................4 3.2. RF CHARECTERISTICS ..........................5 3.2.1. -
Page 3: Brief Introduction
HLK-RM08S 1. Brief Introduction HLK-RM08S based on MT7688KN is a low cost and low power consumption IOT module developed by Hi-Link.The module has rich interfaces and powerful processor and could be widely used in smart devices and cloud service applications. -
Page 4: Block Diagram
HLK-RM08S 2. Block diagram Ethernet UART 3.3V 40MHz GPIO USB_HOST IPEX Connector MT7688KN SPIS JTAG EINT SPI Flash(32MB) SDXC HLK-RM08S Block Diagram... -
Page 5: Typical Application
HLK-RM08S 2.1. Typical application HLK-RM08S HLK-RM08S typical peripheral interfaces diagram... -
Page 6: Specifications
HLK-RM08S 2.2. Specification Item Parameter Model HLK-RM08S Main Chip MT7688KN I-Cache，D-Cache 64KB,32KB Kernel MIPS24KEc Main frequency 580MHz 64Mb Flash 32Mb 1T1R 802.11n 2.4GHz USB2.0 UART Temperature Environmental temperature：-40℃~85℃ working：10~95%（noncondensing） Humidity Storage：5~95%（noncondensing） Size 17.4mm×25.8mm×2.8mm Electrical characteristics 3.1. Input voltage Typical Max Voltage... -
Page 7: Rf Charecteristics
HLK-RM08S 3.2. RF Characteristics 3.2.1. 802.11b 11M 802.11b Transmit (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 Tx Power Level DQPSK Frequency Tolerance 11MHz→22MHz Spectral Mask ＞22MHz Modulation Accuracy All Data Rate 802.11b Receiver (Conductive) -
Page 8: 802.11N Mcs7(Ht20)
HLK-RM08S 3.2.3. 802.11n MCS7(HT20) 802.11n_HT20 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 802.11n_HT20 Receiver (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range... -
Page 9: Pins Definition
HLK-RM08S 4. PINS DEFINTION 4.1. Pins definition diagram HLK-RM08S Default pins definition diagram... -
Page 10: Default Pins Difinition
HLK-RM08S 4.2. Default pins definition Name （ Function 1） Function 2 Function 3 Function 4 GPIO Note I2S_DI PCMDRX GPIO0 I2S_WS PCMCLK GPIO2 I2S_DO PCMDTX GPIO1 I2S_CLK PCMFS GPIO3 SPI_CS1 REF_CLKO GPIO6 SPI_MOSI GPIO8 SPI_CLK GPIO7 SPI_MISO GPIO9 Default is serial port... - Page 11 HLK-RM08S MDI_RN_P3 SD_D0 eMMC_D0 GPIO25 MDI_RP_P4 SD_CLK eMMC_CLK GPIO26 MDI_RN_P4 SD_CMD eMMC_CMD GPIO28 MDI_TP_P4 SD_D3 eMMC_D3 GPIO29 MDI_TN_P4 SD_D2 eMMC_D2 GPIO27 USB_DP Default not available USB_DM Default not available 34 EPHY_LED4_N JTAG_RST_N GPIO30 Com 4 status led EPHY_LED2 JTAG_TMS GPIO32...
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Page 12: Dimensions
1，All pins default 1 2，IO drive current is 4mA 3，All TTL is 3.3V 5. Dimensions HLK-RM08S Drawing Introductions： 1，The size of the module is length 1mm,width 1mm,space 1.4mm , depth 1.8mm. 2，The thickness of the module is 1.8mm. 3, The noted numbers in the picture is the actual size of module,do recommended pad extension around 1mm, internal heat shrink 0.2mm pad, internal thermal pad grounding once do encapsulation. - Page 13 FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
- Page 14 Note 6: FCC ID label on the final system must be labeled with “Contains FCC ID: 2AD56HLK-RM08S” or “Contains transmitter module FCC ID: 2AD56HLK-RM08S”.
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