10/100 USB 2.0 Ethernet Network Interface Controller

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The Realtek RTL8152BN-CG 10/100M Ethernet controller combines an IEEE 802.3u compliant Media Access Controller (MAC), USB bus controller, and embedded memory. A linear regulator (LDO) is incorporated for reduced BOM cost.

With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8152BN offers high-speed transmission over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable. Functions such as Crossover Detection and Auto-Correction, polarity correction, adaptive equalization, cross-talk cancellation, echo cancellation, timing recovery, and error correction are implemented to provide robust transmission and reception capabilities. The RTL8152BN features embedded One-Time-Programmable (OTP) memory.

Advanced Configuration Power management Interface (ACPI)—power management for modern operating systems that are capable of Operating System-directed Power Management (OSPM)—is supported to achieve the most efficient power management possible. In addition to the ACPI feature, remote wake-up (including AMD Magic Packet and Microsoft Wake-Up Frame) is supported in both ACPI and APM (Advanced Power Management) environments.

The RTL8152BN supports Microsoft Wake Packet Detection (WPD) to provide Wake-Up Frame information to the OS, e.g., PatternID, OriginalPacketSize, SavedPacketSize, SavedPacketOffset, etc. WPD helps prevent unwanted/unauthorized wake-up of a sleeping computer.

The RTL8152BN supports ‘RealWoW!’ Technology which enables remote wake-up of a sleeping PC through the Internet. This feature allows PCs to reduce power consumption by remaining in low power sleeping state until needed.
Note: The ‘RealWoW!’ service requires registration on first time use.

The RTL8152BN is fully compliant with Microsoft NDIS5, NDIS6 (IPv4, IPv6, TCP, UDP) Checksum features, and supports IEEE 802 IP Layer 2 priority encoding and IEEE 802.1Q Virtual bridged Local Area Network (VLAN). The above features contribute to lowering CPU utilization, especially benefiting performance when in operation on a network server.

The RTL8152BN supports Protocol offload. It offloads some of the most common protocols to NIC hardware in order to prevent spurious wake-up and further reduce power consumption. The RTL8152BN can offload ARP (IPv4) and NS (IPv6) protocols while in the D3 power saving state.

The RTL8152BN supports the ECMA (European Computer Manufacturers Association) proxy for sleeping hosts standard. The standard specifies maintenance of network connectivity and presence via proxies in order to extend the sleep duration of higher-powered hosts. It handles some network tasks on behalf of the host, allowing the host to remain in sleep mode for longer periods. Required and optional behavior of an operating proxy includes generating reply packets, ignoring packets, and waking the host.

The RTL8152BN supports IEEE 802.3az-2010, also known as Energy Efficient Ethernet (EEE). IEEE 802.3az operates with the IEEE 802.3 Media Access Control (MAC) Sublayer to support operation in Low Power Idle mode. When the Ethernet network is in low link utilization, EEE allows systems on both sides of the link to save power.

The device also features USB 2.0 technology. It provides higher bandwidth and improved protocols for data exchange between the host and the device. In addition, USB 2.0 offers a more aggressive power management feature that enables selective suspend to save energy.

The RTL8152BN is suitable for multiple market segments and emerging applications, such as desktop, mobile, workstation, server, communications platforms, docking station, and embedded applications.

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized Realtek distributor.


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Integrated 10/100M transceiver
Auto-Negotiation with Next Page capability
Supports USB 2.0 and 1.1
Supports pair swap/polarity/skew correction
Crossover Detection & Auto-Correction
Supports Wake-On-LAN and RealWoW! (Wake-On-WAN) Technology (see note 1)
Supports ECMA-393 ECMA ProxZzzy Standard for sleeping hosts (see note 1)
XTAL-Less Wake-On-LAN
Supports 25MHz or 48MHz external clock (from oscillator or system clock source)
Supports power down/link down power saving
Transmit/Receive on-chip buffer support
Embedded OTP memory
Built-in linear regulator (LDO)
Supports Customizable LEDs
Controllable LED Blinking Frequency and Duty Cycle
Supports hardware CRC (Cyclic Redundancy Check) function
LAN disable with GPIO pin
Supports LPM (Link Power Management)
SPI Flash Interface
Supports link change wake up
Supports Microsoft WPD (Wake Packet Detection)
Supports 16-set 128-byte Wake-Up Frame pattern exact matching
Supports CDC-ECM
48-pin QFN Green package
Software Offload
Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (Large send v1 and Large send v2) support
Supports Protocol Offload (ARP & NS)
Supports Full Duplex flow control (IEEE 802.3x)
Fully compliant with IEEE 802.3, IEEE 802.3u
Supports IEEE 802.1P Layer 2 Priority Encoding
Supports IEEE 802.1Q VLAN tagging
Supports IEEE 802.3az-2010 (EEE)
Intel CPPM (Converged Platform Power Management)
Supports L1 with 3ms BESL
Supports selective suspend

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