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AR9331 A minimal OpenWrt Linux system Core module

DWM23090801

The AR9331 is a minimal system which installed with OpenWrt Linux system and support 2.4G WiFi It is compatible with 802.11b/g/n.widely use as an IoT gateway core modules.

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Description

The AR9331 is a minimal system which installed with OpenWrt Linux system and support 2.4G WiFi It is compatible with 802.11b/g/n has rich interface such as Ethernet, USB, UART and plenty of GPIOs and use small outline package, it is used widely in mini routers and IoT projects.

Specification

  • CPU: ATHEROS AR9331 chipset, which integrates MIPS 24Kc processor, CPU 400MHz, Switch (MAC, PHY) and integrates with MAC, RF, PA and LNA for WiFi. 
  • RAM : 64MB;
  • Flash : 16MB
  • Interfaces: 3 x RJ45, 1 x USB Host, 1 x UART, USB2.0, SPI, I2S, SLIC, SPDIF, JTAG, LEDs and  GPIOs
  • OS: Open Source OpenWrt 
  • Power: 3.3v power input
  • WiFi: Support 150M 2.4Ghz WiFi, 802.11 b/g/n
  • Frequency range: 2.4~2.4835GHz
  • Modulation: BPSK, QPSK, CCK and OFDM (BPSK/QPSK/16-QAM/ 64-QAM)
  • Sensitivity @PER : 135M : -65dBm@10%PER; 65M : -65dBm@10%PER; 54M : -68dBm@10%PER; 11M : -84dBm@8% PER; 6M : -88dBm@10% PER; 1M : -90dBm@8% PER
  • Typical Distance: Indoor: 60m (max); Outdoor 150m (max) (with 2 dBi antenna) 
  • RF Power: 11n: 13dBm; 11g: 13-15dBm, 11b: 16-18dBm,
  • Connector: I-PEX connector. Provide Optional ANT pin out for SMT
  • Dimension:35.5x22x3.8mm

Pin definition(See from the product picture)

Pin

No.		 signal Direction(defluat) Remark
1 GND GROUND
2 ANT Antenna Output
3 GND GROUND
4 GND GROUND
5 CSO SPI CS pin
6 MOSI SPI MOSI pin
7 MISO SPI MISO pin
8 SCK SPI SCK pin
9 GPIO11/RESET  BOTTON Reset Button PIN H-Level is active
10 I012 General I/0
11 I08 General I/0
12 I07 General I/0
13 I06 General I/0
14 I026 General I/0
15 I028 General I/0
16 I017 0UT/LED LED for Ethernet
Port4
17 I016 General I/0
18 I015 0UT/LED LED for Ethernet
Port2
19 I014 General I/0
20 I013 0UT/LED LED for Ethernet
Port0
21 I001 General I/C
22 I000 General I/0
23 GND GROUND
24 TXD Serial data IN(TX)
25 RXD Serial data OUT
(RX)
26 GND GROUND
27 RST RESET
28 I023 General I/0
29 I019 General I/0
30 I022 General I/0
31 I020 General I/0
32 I021 General I/0
33 I018 General I/0
34 I024 General I/0
35 GND GROUND
36 P4_RX+ Eth erne t Port4
37 P4_RX-
38 P4_TX+
39 P4_TX-
40 P2_RX+ Ethernet Port2
41 P2_RX-
42 P2_TX+
43 P2_TX-
44 PO_RX+ Ethernet Port0
45 PO_RX-
46 PO_TX+
47 PO_TX-
48 NET  POW 2.5v output for

Ethernet
49 GND GROUND
50 USB- USB Master USB-
51 USB+ USB Master USB+
52 GND GROUND
53 VCC3V3 Power Supp ly, 3.3V
54 VCC3V3 Power Supply,3.3V

Applications: 

  • Internet of Things
  • Voice over IP
  • Mesh WiFi
  • 3G/4G router
  • Industrial Control
Product Details
DWM23090801
300 Items
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AR9331 A minimal OpenWrt Linux system Core module

The AR9331 is a minimal system which installed with OpenWrt Linux system and support 2.4G WiFi It is compatible with 802.11b/g/n.widely use as an IoT gateway core modules.

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