9341-1D

Product Details

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[ Atheros Communications, Inc. ]

General Description

The Atheros AR9341 is a highly integrated and feature-rich IEEE 802.11n 2x2 2.4 GHz System-on-a-Chip (SoC) for advanced WLAN platforms.
It includes a MIPS 74Kc 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, two UARTs, and GPIOs that can be used for LED controls or other general purpose interface configurations.

Features

■ 74Kc MIPS processor with 64 KB I-Cache and
32 KB D-Cache, operating at up to 533 MHz
■ External 16-bit DDR1, DDR2 operating at up
to 200 MHz (400 M transfers/sec), or 16-bit
SDRAM memory interface operating at up to
200 MHz
■ SPI NOR Flash memory support
10/100 Ethernet Switch with five IEEE 802.3

802.3az Energy Efficient Ethernet compliant

Hardware-based NAT & ACL accelerators for

One USB 2.0 controller with built-in MAC/

PHY supports Host or Device mode
Boot from external CPU via USB, eliminating

S/SPDIF-out audio interface

One low-speed UART (115 Kbps), one high-speed

UART (3 Mbps), and multiple GPIO
pins for general purpose I/O
Fully integrated RF Front-End including PAs

Optional external LNA/PA

25 MHz or 40 MHz reference clock input
1.2 V switching regulator
Advanced power management with dynamic
clock switching for ultra-low power modes
150-pin dual-row LPCC package