Kontron AT8402, Руководство пользователя

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AT8402 Introduction
Page 1 - 7 AT8402 User Guide
1.2 Technical Specification
Table 1-2: AT8402 Main Specifications
AT8402 SPECIFICATIONS
Processor and Memory
PowerPC IBM PPC 405
GPr-400MHz • IBM PowerPC
®
405 32-bit RISC processor core operating up to 400MHz with
16KB I- and D-caches
•
PC-133 synchronus DRAM (SDRAM) interface
•
40-bit interface serves 32 bits of data plus 8 check bits for ECC applications
• 4KB on-chip memory (OCM)
•
DMA support for external peripherals, internal UART and memory
•
Scatter-gather chaining supported
•
Four channels
•
PCI Revision 2.2 compliant interface (32-bit, up to 66MHz)
•
Ethernet 10/100Mbps (full-duplex) support with media independent interface
(MII)
• Two serial ports (16550 compatible UART)
•
Internal processor local Bus (PLB) runs at SDRAM interface frequency
•
IEEE 1149.1 (JTAG) boundary scan
Ethernet
Broadcom 56305
•
24 10/100/1000 Mbps Ethernet ports
•
Fifth generation of StrataSwitch and StrataXGS product line
•
Line-rate switching for all packet sizes and conditions
•
On-chip data packet memory and table memory
• Advanced Fast Filter Processor (FFP) ContentAware classification
•
Advanced security features in hardware
•
Port-trunking and mirroring supported across stack
•
Advanced packet flow control:
•
Head-of-line-blocking prevention
•
Back pressure support
• QoS queues per port with hierarchical minimum/maximum shaping per class of
Service (CoS) per queue per port
•
Standard compliant 802.1ad provider bridging
• IEEE 1149.1 (JTAG) boundary scan
Broadcom 5466R • Advanced power management Line-side and MAC-side loopback
•
Ethernet@WireSpeed
•
Cable plant diagnostics that detects cable plant impairments
•
Automatic detection and correction of wiring pair swaps, pair skew, and pair po-
larity
• Robust CESD tolerance and low EMI emissions
•
Support for jumbo packets up to 10 KB in size
• IEEE 1149.1 (JTAG) boundary scan