Contains two large (2Kbyte) independent receive and transmit FIFO's.Supports a 32-bit general-purpose timer with the external PCI clock as clock source, to generate timer-interrupt.Includes a programmable, PCI burst size and early Tx/Rx threshold.Supports auxiliary power auto-detect, and sets the related capability of power management registers in PCI configuration space.Supports auxiliary power-on internal reset, to be ready for remote wake-up when main power remains off.Supports 4 Wake-On-LAN (WOL) signals (active high, active low, positive pulse, and negative pulse).
Supports Wake-On-LAN function and remote wake-up (Magic Packet*, LinkChg and Microsoft® wake-up frame).Compatible with PC99 and PC2001 standards.The frequency deviation of either crystal or OSC must be within 50 PPM. Supports 25MHz crystal or 25MHz OSC as the internal clock source.Supports PCI multi-function to incorporate with other PCI master device.Provides PCI bus master data transfers and PCI memory space or I/O space mapped data transfers of RTL8139D(L)'s operational registers.Supports PCI target fast back-to-back transaction.PCI local bus single-chip Fast Ethernet controller.Supports PCI multi-function capabilities.Supports 10 Mb/s and 100 Mb/s N-way Auto-negotiation operation.Integrated Fast Ethernet MAC, Physical chip and transceiver in one chip.In addition, the RTL8139D(L) supports analog Auto Power-down and provides an auxiliary power auto-detect function to further save power. A remote wake-up function is also provided by support to Magic Packet, Link Change, and Wake-up Frame to increase cost-efficiency in network maintenance and management. The RTL8139D(L) offers an ACPI (Advanced Configuration Power Interface) management function to provide efficient power management for advanced operating systems with OSPM (Operating System Directed Power Management). Furthermore, the RTL8139D(L) is equipped with a PCI and Boot ROM share interface (Realtek patent pending) for both EPROM and Flash Memory to provide maximum network security and ease of management. Providing a highly flexible multi-function mode (Realtek patent pending), the new chip is able to support a versatile combination of applications. The Realtek RTL8139D(L) is a highly integrated and cost-effective single-chip Fast Ethernet controller. This product is covered by one or more of the following patents:
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