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AR9341-AL1A +BOM

Highly integrated and feature rich IEEE 802.11n 2x2 2.4 GHz Premium SoC

AR9341-AL1A General Description

[Atheros Communications, Inc.]General DescriptionThe 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

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Key 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
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Specifications

Product Category IC Chips

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