KS8695P Integrated Multi-Port PCI Gateway Solution Rev. 1.5 General Description XceleRouter technology to accelerate packet The CENTAUR KS8695P, Multi-Port PCI Gateway processing. Solution, delivers a new level of networking integration, Proven wire-speed switching technology that includes performance, and overall BOM cost savings, enabling 802.1Q tag-based VLAN and quality of service (QoS) original equipment manufacturers (OEMs) to provide support. customers with feature-rich, low-cost solutions for the residential gateway and small office environment. Five patented mixed-signal, low-powered Fast Ethernet transceivers with corresponding media access control Integration of a PCI arbiter supporting three external (MAC) units. masters. Advanced memory interface with programmable 8/16/32- Allows incorporation of a variety of productivity enhancing system interfaces, including the expanding bit data and 22-bit address bus with up to 64MB of total memory space for Flash, ROM, SRAM, SDRAM, and 802.11 a/g/b wireless LAN. external peripherals. High-performance ARM CPU (ARM9) with 8KB I-cache, 8KB D-cache, and a memory management unit (MMU) for Linux and WinCE support. Functional Diagram Supports up to 3 External PCI Masters XceleRouter is a trademark of Micrel, Inc. AMD is a registered trademark of Advanced Micro Devices, Inc. ARM is a trademark of Advanced RISC Machines Ltd. Intel is a registered trademark of Intel Corporation. WinCE is a registered trademark of Microsoft Corporation. Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. KS8695P Features The CENTAUR KS8695P featuring XceleRouter Memory and External I/O Interfaces technology is a single-chip, multi-port PCIgateway-on- 8/16/32-bit wide shared data path for Flash, ROM, a-chi with all the key components integrated for a high- SRAM, SDRAM, and external I/O performance and low-cost broadband gateway. Total memory space up to 64MB ARM9 High-Performance CPU Core Intel /AMD -type Flash support ARM9 core at 166MHz Peripheral Support 8KB I-cache and 8KB D-cache 8/16/32-bit external I/O interface supporting PCMCIA or Memory management unit (MMU) for Linux and WinCE generic CPU/DSP host I/F 32-bit ARM and 16-bit thumb instruction sets for Sixteen general purpose input/output (GPIO) smaller memory footprints Two 32-bit timer counters (one watchdog) 33MHz 32-Bit PCI Interface Interrupt controller Version PCI 2.1 System Design Supports bus mastership or guest-mode Up to 166MHz CPU and 125MHz bus speed Supports normal and memory-mapped I/O 289 PBGA package (19mm x 19mm) saving board real Support for miniPCI and cardbus peripherals estate Two power supplies: 1.8V core and Ethernet RX Integrated Ethernet Transceivers and Switch Engine supply, 3.3V I/O and Ethernet TX supply Five 10/100 Ethernet transceivers and ve MACs (1P Built-in LED controls for WAN interface, 4P for LAN switching) 100BASE-FX mode option on the WAN port and one Debugging LAN port ARM9 JTAG debug interface Automatic MDI/MDI-X crossover on all ports UART for console port or modem back-up Wire-speed, non-blocking switch Power Management 802.1Q tag-based VLAN (16 VLANs, full range VID) CPU and system clock speed step-down options Port-based VLAN Low-power Ethernet transceivers QoS/CoS packet prioritization support: per port, 802.1p, Per port power-down and Ethernet transmit disable and DiffServ-based Reference Hardware and Software Evaluation Kit 64KB on-chip frame buffer SRAM Hardware evaluation board (passes class B EMI) VLAN ID and 802.1P tag/untag option per port Board support package including rmware source 802.1D Spanning Tree Protocol support codes, Linux kernel, and software stacks Programmable rate-limiting per port: 0Mbps to Complete hardware and software reference designs 100Mbps, ingress and egress, rate options for high and available low priority Extensive MIB counter management support Applications IGMP snooping for multicast packet ltering Multi-port wireless VoIP gateway Dedicated 1K entry look-up engine Wireless mesh network node Port mirroring/monitoring/snifng Broadcast and multicast storm protection with % control RG + combo 802.11 a/b/g/n access point global and per port basis Multimedia gateway Full- and half-duplex ow control Digital audio access point XceleRouter Technology Network storage element TCP/UDP/IP packet header checksum generation to Multi-port broadband gateway ofoad CPU tasks Multi-port rewall and VPN appliances IPv4 packet ltering on checksum errors Combination wireless and wireline gateway Automatic error packet discard Fiber-to-the-home managed CPE DMA engine with burst-mode support for efcient WAN/LAN data transfers FIFOs for back-to-back packet transfers M9999-051806 May 2006 2