SHENZHEN HI-LINK ELECTRONIC CO.
CONTENTS 1.1. BASIC PARAMETER........................................................................................................................................ 10 2. DIAGRAM................................................................................................................................................................. 11 3. ELECTRICAL CHARACTERISTIC............................................................................................................................ 12 3.1.
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.
2. DIAGRAM Ethernet UART 3.3V 40MHz GPIO PWM USB_HOST MT7628AN SPI /MT7628NN IPEX Connector SPIS I2C I2S JTAG DDR2(1Gbit/128Mbit) EINT SDXC 2.1. SPI Flash(256Mbit/128Mbit) WM7628N-A Module architecture diagram SPECIFICATIONS Item Parameter Note Model WM7628N-A Version V1.
18mm×35.2mm×2.8mm Size 2.2. INTERFACE NUMBER Interface WiFi Standard Ethernet Interface Contain interface Interface supported IEEE 802.
Tx Power Level DQPSK Frequency Tolerance 18 20 22 dBm -15 0 15 ppm 11MHz→22MHz 40 dBr ＞22MHz 53 dBr All Data Rate 15 % Spectral Mask Modulation Accuracy 802.11b Receiver (Conductive) Item Condition Frequency Range Min. Input Min. Typ. Channel 1 11Mbps PER<8% -91.5 Max. Unit Channel 13 -89.5 -87.5 dBm Max. Unit 802.11g 54M 802.11g Transmit (Conductive) Item Condition Frequency Range Typ. Channel 1 Tx Power Level OFDM Frequency Tolerance Modulation Accuracy Min.
Frequency Tolerance Modulation Accuracy -15 All Data Rate 0 15 ppm -31 -28 dB Max. Unit 802.11n_HT20 Receiver (Conductive) Item Condition Min. Frequency Range Min. Input Typ. Channel 1 MCS7 PER<10% -76.5 Channel 13 -74.5 -72.5 dBm Max. Unit 802.11n_MCS7(HT40) 802.11n_HT40 Transmit (Conductive) Item Condition Min. Frequency Range Tx Power Level Channel 1 OFDM Frequency Tolerance Modulation Accuracy Typ. Channel 13 15.0 17.0 19.0 dBm -15 0 15 ppm -31 -28 dB Max.
5 6 7 SPI_CS0 GPIO# 10 REF_CLK0 PERST_N SPI bus chip select GPIO#38 Reference clock output GPIO# 36 PCIe device reset GPIO# 37 Watchdog reset 8 WDT_RST_N 9 EPHY_LED4 JTAG_RST_ N GPIO# 39 10 EPHY_LED3 JTAG_CLK GPIO# 40 11 EPHY_LED2 JTAG_TMS GPIO# 41 12 EPHY_LED1 JTAG_TDI GPIO# 42 13 EPHY_LED0 JTAG_TDO GPIO# 43 14 PORST_N 15 UART_TXD1 PWM_CH0 16 UART_RXD1 PWM_CH1 0 CPU reset GPIO# 45 GPIO#46 Port 1 date transmission Port 1 date reception 17 I2S_SDI PCMDRX GPIO#
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#
5. MODULE DIMENSION CHART Module dimension chart (TOP) Recommended package size diagram Notes： 1，The three intermediate pads are hot pads, please ground. 2，Package pad epitaxial size can be appropriately shortened or lengthened according to demand.
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.
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.
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 digi
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.
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.
