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1.3.12 PHY: 3.3-V 10Base-T/100Base-TX Integrated PHY Ceiver ,The ICS1893
is a low-power, physical-layer device (PHY)
General
The Realtek RTL8100C(L) is a highly integrated, cost-effective single-chip Fast Ethernet controller that provides
32-bit performance, PCI bus master capability, and full compliance with IEEE 802.3u 100Base-T specifications
and IEEE 802.3x Full Duplex Flow Control. It also supports the Advanced Configuration Power management
Interface (ACPI), PCI power management for modern operating systems that are capable of Operating System
Directed Power Management (OSPM) to achieve the most efficient power management possible. The
RTL8100C(L) does not support CardBus mode as the RTL8139C does. In addition to the ACPI feature, the
RTL8100C(L) also supports remote wake-up(including AMD Magic Packet, LinkChg, and Microsoft® wake-up
frame) in both ACPI and APM environments. The RTL8100C(L) is capable of performing an internal reset
through the application of auxiliary power. When auxiliary power is applied and the main power remains off, the
RTL8100C(L) is ready and waiting for the Magic Packet or Link Change to wake the system up. Also, the
LWAKE pin provides 4 different output signals including active high, active low, positive pulse, and negative
pulse. The versatility of the RTL8100C(L) LWAKE pin provides motherboards with Wake-On-LAN (WOL)
functionality. The RTL8100C(L) also supports Analog Auto-Power-down, that is, the analog part of the
RTL8100C(L) can be shut down temporarily according to user requirements or when the RTL8100C(L) is in a
power down state with the wakeup function disabled. In addition, when the analog part is shut down and the
Isolate B pin is low (i.e. the main power is off), then both the analog and digital parts stop functioning and the
power consumption of the RTL8100C(L) will be negligible. The RTL8100C(L) also supports an auxiliary
power auto-detect function, and will auto-configure related bits of their own PCI power management
registers in PCI configuration space.
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