The Atheros AR9331-AL3A is a highly integrated and
cost effective IEEE 802.11n 1x1 2.4 GHz Systemon-a-Chip (SoC) for wireless local area network
(WLAN) AP and router platforms.
In a single chip, the AR9331-AL3A includes a MIPS 24K
processor, five-port IEEE 802.3 Fast Ethernet
Switch with MAC/PHY, one USB 2.0 MAC/PHY,
and external memory interface for serial Flash,
SDRAM, DDR1 or DDR2, I2S/SPDIF-Out audio
interface, SLIC VOIP/PCM interface, UART, and
GPIOs that can be used for LED controls or other
general purpose interface configurations.
The AR9331-AL3A integrates an 802.11n 1x1 MAC/BB/
radio with internal PA and LNA. It supports
802.11n operations up to 72 Mbps for 20 MHz
and 150 Mbps for 40 MHz channel respectively,
and IEEE 802.11b/g data rates. Additional
features include on-chip one-time programmable
(OTP) memory.
As a professional ATHEROS distributor, Nantian Electronics has a large number of AR9331-AL3A in stock. We also provide AR9331-AL3A parameters, AR9331-AL3A Datasheet PDF and pin diagram instructions for download.
Features
Complete IEEE 802.11n 1x1 AP or router in a
single chip
MIPS 24K processor operating at up to
400 MHz
External 16-bit DDR1, DDR2, or SDRAM
memory interface
SPI NOR Flash memory support
No external EEPROM needed
4 LAN ports and 1 WAN port IEEE 802.3 Fast
Ethernet switch with auto-crossover, auto
polarity, and auto-negotiation in PHYs
Four classes of QoS per port
Fully integrated RF front-end including PA
and LNA
Optional external LNA/PA
Switched antenna diversity
High-speed UART for console support