The KS8695 “Multi-Port Gateway-on-a-Chip” delivers a new level of networking integration and performance for speeding broadband gateway development.
FEATUREs
• The CENTAUR KS8695 featuring XceleRouter™ Technology, is a single-chip Multi-Port Gateway-on-aChip with all the key components integrated for a highperformance and low-cost broadband gateway
• ARM922T high-performance CPU core
- 185 MIPS ARM922T core at 166MHz
- 8kB I-cache and 8kB D-cache
- Memory Management Unit (MMU) for Linux
- 32-bit ARM and 16-bit Thumb instruction sets
• XceleRouter™ Technology
- TCP/UDP/IP packet header checksum generation to offload CPU tasks
- IPv4 packet filtering on checksum errors
- Automatic error packet discard
• Integrated switch engine & transceivers:
- Five 10/100 transceivers and MACs (1P for WAN interface, 4P for LAN switching)
- 100Base-Tx, 10Base-T and 100Base-Fx modes (Fx in the WAN port).
- On-chip SRAM as frame buffer memory
- Wire-speed switching
- VLAN ID and 802.1p tag/untag options
- Extensive MIB counter management support
- IGMP snooping for multicast packet filtering
- Port-based VLAN
- QoS/CoS packet prioritization support: per-port, 802.1p and DiffServ based
- 802.1d spanning tree protocol
- Dedicated 1K-entry look-up engine
- Automatic MDI/MDIX crossover on all ports
- Port mirroring/monitoring/sniffing
- Broadcast storm protection with % control
- Full and half-duplex flow control
• Memory and external I/O interfaces
- 8/16/32-bit wide shared data path for SDRAM, ROM/ SRAM/flash & external I/O
- Total memory space up to 64MB
- Intel/AMD-type flash support
• WAN/LAN/EMAC DMA Engines & FIFO
- DMA engine with burst mode support for efficient WAN, LAN and EMAC data transfers
- FIFOs for back-to-back packet transfers
• Peripheral Support
- One MII interface (MAC or PHY mode)
- 8/16/32-bit external I/O interface supporting PCMCIA or generic CPU/DSP host I/F
- Eight general-purpose input/output (GPIO)
- Two 32-bit timer counters (one watchdog)
- Interrupt controller
- ARM922T JTAG debug interface
• Power management
- Reduced CPU and system clock speeds
• System design
- 208-pin PQFP package
- Up to 166MHz CPU and 125MHz bus speed
• Reference HW/SW evaluation kit
- Hardware evaluation board (passes class B EMI)
- Board support package including firmware source codes, Linux kernel, software stacks
- Documentation for design & programming
APPLICATIONs
• Multi-port broadband gateway
• Multi-port firewall & VPN appliances
• Combo wireless and wireline gateway
• Multi-port VoIP gateway
• Fiber-to-the-Home managed CPE