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DWM-JS7688 MT7688AN Based OPENWRT LINUX SYSTEM CORE MODULE

DWM24022701

DWM-JS7688 is based on the MTK (Mediatch) MT7688AN SOC chip Running the OpenWRT (Linux) system used for smart homes, IP cameras, VOIP, remote control shooting aircraft, remote monitoring, and other super applications.

Type
RAM
Flash
$10.00
Quantity

Description

DWM-JS7688 The core board module is a wifi module based on the MTK (Mediatch) MT7688AN SOC chip CPU, frequency of 580 MHz, onboard optional 64MB DDR2 RAM / 8MB flash, 128MB DDR2 RAM / 16MB flash, 256MB DDR2 RAM / 32MB flash three configuration options,150MB wifi, external lead out USB 2.0 Host, GPIO, UART, I2S, I2C, SD card interface, SPI, PWM, Ethernet interface, wifi antenna interface, etc. This module has a small volume, low power consumption, small heat value, and stable wifi and network port transmission performance. Running the OpenWRT (Linux) system for long-term stable operation. 

The peripheral circuit of the module is very simple, only adding a 3.3V DC power supply to start the system, and can be controlled by WIFI. Using a gold-plated pin interface or stamp hole interface can be very stable and fixed on the bottom plate. It can be used for smart homes, IP cameras, VOIP, remote control shooting aircraft, remote monitoring systems, portable 4G routers, audio intercoms, simple WEB network servers, simple FTP servers, remote downloads, remote control vision cars, and other super applications.

Features:

Product Name DWM-JS7688 Core board
Support Operating system  Openwrt(Linux)
Processor MT7688AN MIPS 24KEc
System Frequency 580MHz
Memory 64MB/128MB/256MB DDR2 RAM
Flash 8MB/16MB/32MB Nor flash
Ethernet port  5xWAN / LAN 10 / 100M adaptive
USB interface 1xUSB 2.0 host
PCIE interface 1xPCIE
UART serial port UART0 (used as default debugging)、UART1、UART2
GPIO total 40 (reuse with other functions) 
I2S  1xI2S, Support VOIP application
I2C 1xI2C
SPI master  2xSPI (one SPI is occupied by flash, Another SPI Reserved) 
SPI slave 1xSPI
PWM 4xPWM
Dimension 38.5mm x 22mm x 2.8mm
Working voltage 3.3V ±10%
Power consumption 0.6W
Current requirements Over 500mA
Antenna interface 1 x IPEX
working temperature -20~60℃
wireless protocol IEEE802.11 b/g/n
wireless Data Rate 1T1R,Maximum 150Mbps
RF Power Output Maximum 18dbm
Transmission distance 100 meters(Open area)
Working mode  routing, AP, relay, bridge

Pin Definition

Pin Function 0 Function 1 Function 2 Function 3 Note
1 GND N/A N/A N/A Main Power Ground
2 GND N/A N/A N/A Main Power Ground
3 GND N/A N/A N/A Main Power Ground
4 VDD3V3 N/A N/A N/A Main Power DC 3.3V Input
5 VDD3V3 N/A N/A N/A Main Power DC 3.3V Input
6 VDD3V3 N/A N/A N/A Main Power DC 3.3V Input
7 REF_CLK_0 GPI037 N/A N/A Default as GPI0
SYSTEM_LED

8

WDT_RST_N

GPI038
N/A N/A Default as GPI0
RESET_FN_KEY
9
EPHY_LED4_N JTRST_N
GPIO39 w utif n[6] jtrstn_n Default as GPI0
USER_KEY2
10 EPHY_LED3_N JTCLK GPI040 w_utif n[7] jtclk_n Default as GPI0
USER_KEY1
11
EPHY_LED2_NJTMS
GPI041 w_utif n[8] jtms_n Default as Ethernet Port 2 hardware
indicator light

12
EPHY_LED1 N JTDI
GPI042
w_utif n[9] jtdi_n Default as Ethernet Port 1 hardware
indicator light
13 EPHY_LEDO N JTDO GPI043 N/A jtdo_n Default as Ethernet Port 0 hardware
indicator light
14 WLED_N GPI044 N/A N/A Default as GPIO, serving as wireless operation indicator light
15 GND N/A N/A N/A GND

16

UART_TXD1

GPI045

PWM_CHO
antsel[1] Internally connected to 10K pull-up resistor to 3.3V, default as UART_TXD1
17 UART_RXD1 GPI046 PWM_CH1 antsel[O] Default as UART_RXD1
18 I2S_SDI GPI00 PCMDRX antsel[5] Default as I2S_SDI

19

I2S_SDO

GPI01
PCMDTX antsel[4] Internally connected to 10K pull-down resistor to ground, default as I2S_SDO
20 I2S_WS GPIO2 PCMCLK antsel[3] Default as I2S_WS
21 I2S_CLK GPIO3 PCMFS antsel[2] Default as I2S_CLK
22 I2C_SCLK GPIO4 sutif_txd ext_bgclk Default as I2C_SCLK
23 I2C_SD GPI05 sutif_rxd N/A Default as I2C_SD
24 SPI_CS1 GPI06 REF_CLK_O N/A Internally connected to 10K pull-down resistor to ground, default as SPI_CS1

25

VDD3V3_PROG
N/A N/A N/A External flash programmer power DC 3.3V input pin. Note: Only needed when connecting an external flash programmer, normally left floating
26
SPI_CLK

GPI07
N/A N/A Internally connected to 10K pull-up resistor to 3.3V, default as SPI_CLK
27 GND N/A N/A N/A GND
28 SPI_MOSI GPI08 N/A N/A Internally connected to 10K pull-down resistor to ground, default as SPI_MOSI
29 SPI_MISO GPI09 N/A N/A Default as SPI_MISO
30 GPI011 GPI011 REF_CLK_0 PERST_N Default as REF_CLK_O

31

SPI_CSO

GPI010
N/A N/A Default as SPI_CSO, used by the system SPI flash, available for flash programming

32
UART_RXDO GPI013 N/A N/A Default as UART_RXDO, system debugging serial port

33

UART_TXDO

GPI012
N/A N/A Internally connected to 10K pull-down resistor to ground, default as UART_TXDO, system debugging serial port

34

MDI_R_PO_P
N/A N/A N/A Ethernet Port 0 receive positive terminal
35 GND N/A N/A N/A GND
36 GND N/A N/A N/A GND
37 MDI_R_PO_N N/A N/A N/A Ethernet Port 0 receives negative terminal
38 MDI_T_PO_N N/A N/A N/A Ethernet Port 0 transmit negative terminal
39
MDI_T_PO_P
N/A N/A N/A Ethernet Port 0 transmit positive terminal
IOT Gateway Work Mode                                                               IoT device Work Mode
40 MDI_T_P1_N SPIS_CLK GPI015 w_utif[1] PWM_CH1 PWM_CH1
41 MDI_T_P1_P SPIS_CS GPI014 w utif[0] PWM_CHO PWM_CHO
42 MDI_R_P1_N SPIS_MOSI GPI017 w utif[3] UART_RXD2 Default as UART_RXD2
43 MDI_R_P1_P SPIS_MISO GPI016 w_utif[2] UART_TXD2 Default as UART_TXD2
44 MDI_R_P2_N PWM_CH1 GPI019 w_utif[5] SD_D6 Default as GPIO
45 MDI_R_P2_P PWM_CHO GPI018 w utif[4] SD_D7 Default as GPI0
46 GND N/A N/A N/A GND
47 MDI_T_P2_P UART_TXD2 GPI020 PWM_CH2 SD_D5 PWM_CH2
48 MDI_T_P2_N UART_RXD2 GPIO21 PWM_CH3 SD_D4 PWM_CH3
49 MDI_T_P3_P SD_WP GPI022 w_utif[10] w_dbgin Default as SD_WP
50 MDI_T_P3_N SD_CD GPIO23 w_utif[11] w_dbgack Default as SD_CD
51 GND N/A N/A N/A GND
52 MDI_R_P3_N SD_DO GPI025 w_utif[13] W_jtdi Default as SD_DO
53 MDI_R_P3_P SD_D1 GPI024 w_utif[12] w_jtclk Default as SD_D1
54 GND N/A N/A N/A GND
55 MDI_R_P4_P SD_CLK GPI026 w_utif[14] w_jtdo Default as SD_CLK
56 MDI_R_P4_N SD_CMD GPI027 w_utif[15] dbg_uart_t Default as SD_CMD
57 MDI_T_P4_P SD_D3 GPIO28 w_utif[16] w_jtms Default as SD_D3
58 MDI_T_P4_N SD_D2 GPI029 w_utif[17] w_jtrst_n Default as SD_D2
59 GND N/A N/A N/A GND
60 USB_N N/A N/A N/A USB-
61 USB_P N/A N/A N/A USB+

Package Include

Module: DWM-JS7688 core module (If a DIP test board required just leave a message or send an email to sales@dwmzone.com)

EVB kit:1x EVB kit board, 1x DWM-JS7688 core module with DIP test board,1x 2.4GHz antenna.

Product Details
DWM24022701
1000 Items
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DWM-JS7688 MT7688AN Based OPENWRT LINUX SYSTEM CORE MODULE

DWM-JS7688 is based on the MTK (Mediatch) MT7688AN SOC chip Running the OpenWRT (Linux) system used for smart homes, IP cameras, VOIP, remote control shooting aircraft, remote monitoring, and other super applications.

Write your review

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