AR7242 - Atheros

AR7242 A High Performance And Cost-Effective Network Processor

The Atheros AR7242 is a high performance and cost effective network processor for access point, router, and gateway applications. It includes a MIPS 24Kc processor, PCI Express 1.1 host interface, integrated 10/100 Mbps Fast Ethernet MAC/PHY, one RGMII port, one USB 2.0 MAC/PHY, and external memory interface for serial Flash, DDR1 or DDR2 interface, an I2S a.

Features

■ Integrated MIPS 24 K 32-bit processor operating at up to 400 MHz
■ 64 K instruction cache and 32 K data cache
■ Integrated 10/100 802.3 Ethernet LAN port and one RGMII port
■ 16-bit DDR1 or DDR2 memory interface supporting up to 400 M transfers per second
■ An external serial Flash memory interface (maximum 16 MBytes)
■ One USB 2.0 controller with built-in MAC/ PHY
■ High-speed UART and multiple GPIO pins for general purpose I/O or LED control
■ A single lane PCI Express 1.1 interface that can be used for interfacing to the AR928x/ AR938x/AR939x single chip 802.11n MAC/BB/Radio
■ JTAG port s.