User Manual for Hi-Link models including: WM7628N-A, WM7628NA, Z4T-WM7628N-A, Z4TWM7628NA, WM7628N-A Wireless USB Wifi Module, Wireless USB Wifi Module, Wifi Module
Seeed Technology Co., Ltd. WM7628N-A Z4T-WM7628N-A Z4TWM7628NA wm7628n a
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DocumentDocumentSHENZHEN HI-LINK ELECTRONIC CO.,LTD WM7628N-A User Manual 1 CONTENTS 1.1. BASIC PARAMETER........................................................................................................................................ 10 2. DIAGRAM.................................................................................................................................................................11 3. ELECTRICAL CHARACTERISTIC............................................................................................................................ 12 3.1. POWER SUPPLY REQUIREMENT...................................................................................................................... 12 3.2. RF PERFORMANCE...........................................................................................................................................12 802.11B 11M.....................................................................................................................................................12 802.11G 54M.....................................................................................................................................................13 802.11N MCS7(HT20).......................................................................................................................................13 802.11N_MCS7(HT40).......................................................................................................................................14 4. MODULE PINS DEFINITION.................................................................................................................................. 14 4.1. DEFAULT PIN DEFINITION CHART.............................................................................................................. 14 5. MODULE DIMENSION CHART.................................................................................................................................. 17 6. EUROPEAN LABEL...................................................................................................................................................18 2 1. INTRODUCTION WM7628N-A based on MT7628NN is a low cost and low power consumption IOT module developed. This module leads to all the interfaces of MT7628NN,The module supports Linux, OpenWRT operating system and custom development. It could be widely applied to smart devices or cloud services application with its rich interface and powerful processors, at the same time ,it also support secondary development. 1.1. BASIC PARAMETER High data processing abilityMCU frequency 580MHz 300M Mbps Support 802.11b/g/n 20/40 Channel bandwidth Support 802.11v Support AP,STA and AP,STA mixed Five 10/100M ETH PORT 1 USB2.0 Host interface port Interface SPI/SD-XC/eMMC Rich peripheral interfacesSPI,I2C,I2S,PCM,UART,JTAG,GPIO Widely used in IOT Inbuilt powerful PMU Support 16 Multiple BSSID Support multiple security methods WEP64/128, TKIP,AES, WPA, WPA2, WAPI Support QoSWMMWMM-PS Support Linux 2.6.36 SDKOpenWrt 3.10 10 2. DIAGRAM Ethernet UART GPIO PWM USB_HOST SPI SPIS I2C I2S JTAG EINT SDXC 40MHz 3.3V MT7628AN /MT7628NN IPEX Connector DDR2(1Gbit/128Mbit) SPI Flash(256Mbit/128Mbit) WM7628N-A Module architecture diagram 2.1. SPECIFICATIONS Item Parameter Model WM7628N-A Chip MT7628AN/MT7628NN Kernel MIPS24KEc Basic frequency 580MHz RAM DDR2 128MB Flash Temperature Humidity 32MB Environment temperature-40~85 Working10~95%noncondensing Storage5~95%noncondensing 11 Note Version V1.0 Customizable DDR2 64M/32MB Customizable 16MB/8MB Size 18mm×35.2mm×2.8mm 2.2. INTERFACE NUMBER Interface Contain interface Interface supported WiFi Standard IEEE 802.11b/g/n Support Ethernet Interface Five 10/100M ETH PORT 1 WAN4 LAN UART 3 2 UART support transmitting SDIO 1 Non support SPI 1 Non support I2C 1 Non support I2S 1 Non support PWM 1 Non support Notes GPIO More than 8 Defined functions 1The module was default embedded our firmware which based on Linux; the Ethernet,WiFi,UART0 and UART1 of the firmware have the function of transmission 2Based on actual usage, the module also can be embedded OPENWRT program and LINUX program of MTK original plant before sent out. 3. ELECTRICAL CHARACTERISTIC 3.1. POWER SUPPLY REQUIREMENT Power supply requirement Input voltage Non-load current Supply current DC:3.3±0.2V 170±50mA 800mA 3.2. RF PERFORMANCE 802.11b 11M 802.11b Transmit (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 12 Tx Power Level Frequency Tolerance Spectral Mask Modulation Accuracy Item Frequency Range DQPSK 18 20 -15 0 11MHz22MHz 40 22MHz 53 All Data Rate 15 802.11b Receiver (Conductive) Condition Min. Typ. Channel 1 Min. Input 11Mbps PER<8% -91.5 -89.5 22 15 Max. Channel 13 -87.5 dBm ppm dBr dBr % Unit dBm 802.11g 54M Item Frequency Range Tx Power Level Frequency Tolerance Modulation Accuracy Item Frequency Range Min. Input 802.11g Transmit (Conductive) Condition Min. Typ. Channel 1 OFDM 15 17 -15 0 All Data Rate -31 802.11g Receiver (Conductive) Condition Min. Typ. Channel 1 54Mbps PER<10% -78.0 -76.0 Max. Channel 13 19 15 -28 Max. Channel 13 -74.0 Unit dBm ppm % Unit dBm 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 15 17 19 dBm 13 Frequency Tolerance -15 0 15 ppm Modulation Accuracy All Data Rate -31 -28 dB 802.11n_HT20 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 dBm 802.11n_MCS7(HT40) 802.11n_HT40 Transmit (Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 Tx Power Level OFDM 15.0 17.0 19.0 dBm Frequency Tolerance -15 0 15 ppm Modulation Accuracy All Data Rate -31 -28 dB 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 dBm 4. MODULE PINS DEFINITION 4.1. DEFAULT PIN DEFINITION CHART PIN Name(Function 1) Function 2 Function 3 Function 4 1 GND 2 3.3VD 3 3.3VD 4 GND GPIO# Note Supply current800mA Supply current800mA 14 5 SPI_CS0 6 REF_CLK0 7 PERST_N 8 WDT_RST_N 9 EPHY_LED4 JTAG_RST_ N 10 EPHY_LED3 JTAG_CLK 11 EPHY_LED2 JTAG_TMS 12 EPHY_LED1 JTAG_TDI 13 EPHY_LED0 JTAG_TDO 14 PORST_N 15 UART_TXD1 16 UART_RXD1 17 I2S_SDI PCMDRX 18 I2S_SDO PCMDTX 19 I2S_WS PCMCLK 20 I2S_CLK 21 22 23 24 I2C_SCLK 25 I2C_SD 26 SPI_CS1 27 SPI_CLK 28 SPI_MISO 29 SPI_MOSI 30 GPIO0 31 UART_TXD0 32 UART_RXD0 33 WLED_N 34 MDI_RP_P0 35 MDI_RN_P0 PCMFS GPIO# 10 GPIO#38 SPI bus chip select 0 Reference clock output GPIO# 36 GPIO# 37 PCIe device reset Watchdog reset GPIO# 39 GPIO# 40 GPIO# 41 GPIO# 42 GPIO# 43 CPU reset PWM_CH0 PWM_CH1 GPIO# 45 GPIO#46 Port 1 date transmission Port 1 date reception GPIO#0 I2S date input GPIO#1 I2S date output GPIO#2 I2S sound channel selection,0:left 1:right GPIO#3 I2S GND Antennal RF interface(not ANT connect) GND GPIO# 4 GPIO# 5 GPIO# 6 GPIO# 7 GPIO# 9 GPIO# 8 GPIO#11 I2C I2C SP 1 SPI SPI SPI GPIO#12 Port 0 date output GPIO#13 Port 0 date input GPIO#44 WiFi LED 15 36 MDI_TP_P0 37 MDI_TN_P0 38 MDI_TP_P1 SPIS_CS PWM_CH0 GPIO#14 39 MDI_TN_P1 SPIS_CLK PWM_CH1 GPIO#15 40 MDI_RP_P1 SPIS_MISO UART_TXD2 GPIO#16 41 MDI_RN_P1 SPI_MOSI UART_RXD2 GPIO#17 42 MDI_RP_P2 eMMC_D7 PWM_CH0 GPIO#18 43 MDI_RN_P2 eMMC_D6 PWM_CH1 GPIO#19 44 MDI_TP_P2 UART_TXD2 eMMC_D5 PWM_CH2 GPIO#20 45 MDI_TN_P2 UART_RXD2 eMMC_D4 PWM_CH3 GPIO#21 46 MDI_TP_P3 SD_WP eMMC_WP GPIO#22 47 MDI_TN_P3 SD_CD eMMC_CD GPIO#23 48 MDI_RP_P3 SD_D1 eMMC_D1 GPIO#24 49 MDI_RN_P3 SD_D0 eMMC_D0 GPIO#25 50 MDI_RP_P4 SD_CLK eMMC_CLK GPIO#26 51 MDI_RN_P4 SD_CMD eMMC_CMD GPIO#28 52 MDI_TP_P4 SD_D3 eMMC_D3 GPIO#29 53 MDI_TN_P4 SD_D2 eMMC_D2 GPIO#27 54 USB_DP 55 USB_DM 56 GND Notes 1All pins default 1,drive current 8MA. 2 Red representation on the name bar: related to the start of the chip, the outside can not be pulled up and down, not connected with the driver source. 3Blue representation on the name bar: The default firmware . 4The module of MT7628NN chip does not have PCIE interface 16 5. MODULE DIMENSION CHART Module dimension chart (TOP) Notes Recommended package size diagram 1The three intermediate pads are hot pads, please ground. 2Package pad epitaxial size can be appropriately shortened or lengthened according to demand. 17 6. European label 6.1. European label text version eVatmaster Consulting GmbH Bettinastr. 30,60325 Frankfurt am Main,Germany contact@evatmaster.com 6.2. 7.2European label picture format (for reference only, you can design according to your packaging) 18 FCC regulatory information 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. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. End Device Labelling Please notice that if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: "Contains FCC ID: Z4T-WM7628N-A" any similar wording that expresses the same meaning may be used. RF Exposure Compliance This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Installation Notice The module is limited to OEM installation ONLY. The OEM integrator is responsible for ensuring that the end-user has no manual instruction to remove or install module. The module is limited to installation in mobile application; A separate approval is required for all other operating configurations, including portable configurations with respect to Part 2.1093 and difference antenna configurations. FCC Part 15B Compliance of End Device 19 The OEM integrator is responsible for ensuring that the host product which is installed and operating with the module is in compliant with Part 15B unintentional Radiator requirements, please note that For a Class B digital device or peripheral, the instructions furnished the user manual of the end-user product shall include the following or similar statement, placed in a prominent location in the text of the manual: Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna. --Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. --Consult the dealer or an experienced radio/TV technician for help. OEM Installation Guidance Document FCC ID: Z4T-WM7628N-A Conditions on using Seeed regulatory approvals: A. Customer must ensure that its product (the"CUSTOMER Product") is electrically identical to Seeed reference designs. Customer acknowledges that any modifications to Seeed reference designs may invalidate regulatory approvals in relation to the CUSTOMER Product, or may necessitate notifications to the relevant regulatory authorities. B. Customer is responsible for ensuring that antennas used with the product are of the same type, with same or lower gains as approved and providing antenna reports to Seeed. C. Customer is responsible for regression testing to accommodate changes to Seeed reference designs, new antennas, and portable RF exposure safety testing/approvals. D. Appropriate labels must be affixed to the CUSTOMER Product that comply with applicable regulations in all respects. 20 E. A user's manual or instruction manual must be included with the customer product that contains the text as required by applicable law. Without limitation of the foregoing, an example (for illustration purposes only) of possible text to include is set forth below: 1. USA--Federal Communications Commission (FCC) FCC COMPLIANCE STATEMENT: 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. INFORMATION TO USER: 2.1 General This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by tuning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna -Increase the distance between the equipment and the receiver. -Connect the equipment to outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. System integrators must include the FCC ID on the end product. 2.2 List of applicable FCC rules The Seeed module is only FCC authorized (certified) for the transmitterspecific rule parts, FCC 15.247. OEM manufacturer is responsible for compliance to all other FCC rules that apply to the host. 2.3&2.6 Summarize the specific operational use conditions and FCC Radio-Frequency Exposure & Approval Conditions Transmitting antenna(s) can only be installed at the display section of computer. When this device 21 is installed other than notebook computers, at least 20 cm separation distance shall be maintained between the transmitting antenna(s) to the body of user or nearby person. 2.4 Limited module procedures The module is an unrestricted module 2.5 Trace antenna designs The antenna(s) used for this transmitter must not be collocated or operating in conjunction with any other antenna or transmitter within a host device, except in accordance with FCC multi-transmitter product procedures. 2.7 Antennas The module grantee is responsible for providing the documentation to the system integrator on restrictions of use, for continuing compliance of the module including the maximum antenna gain (6dBi), minimum antenna gain (3dBi), Antenna connector is a unique I-PEX connector. 2.8 Label and compliance information The regulatory label on the final system must include the statement: " Contains FCC ID:Z4T-WM7628N-A"using electronic labeling method as documented in KDB 784748. 2.9 Information on test modes and additional testing requirements OEM manufacturer should perform additional verification/validation on supported modes and is responsible for validation testing of module + host. The final system integrator must ensure there is no instruction provided in the user manual or customer documentation indicating how to install or remove the transmitter module except such device has implemented two-ways authentication between moduleand the host system. 2.10 Additional testing, Part 15 Subpart B disclaimer 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. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 7. It is forbidden to operate transmitters outside the 2.4-2.4835 GHz frequency band to control or communicate 8. The certified WLAN module will be installed in mobile application. 9.This module is for integration into a host system which is intended. 22