AR7242
Description
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 audio interface, a high-speed UART, and GPIOs that can be used for LED controls or other general purpose interface configurations.
Key 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 support for processor core
- 1 PRELIMINARY Confidential 2
