Datasheet Summary
82540EM Gigabit Ethernet Controller
Networking Silicon
Product Features
- PCI Bus
- PCI Revision 2.3 support for 32-bit wide interface at 33 MHz and 66 MHz
- Algorithms that optimally use advanced PCI, MWI, MRM, and MRL mands
- MAC Specific
- Low-latency transmit and receive queues
- IEEE 802.3x-pliant flow-control support with software-controllable thresholds
- Caches up to 64 packet descriptors in a single burst
- Programmable host memory receive buffers (256 B to 16 KB) and cache line size (16 B to 256 B)
- Wide, optimized internal data path architecture
- 64 KB configurable Transmit and Receive FIFO buffers
- PHY Specific
- Integrated for 10/100/1000 Mb/s operation...