Datasheet > 88E1116R

88E1116R

更新时间： 2024-01-02 10:32:41

品牌	Logo	应用领域
迈威 - MARVELL		以太网
页数	文件大小	规格书
2页	161K
描述
Single-Port Gigabit Ethernet Transceiver with Integrated Passives

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88E1116R 数据手册

Marvell Alaska 88E1116R

Single-Port Gigabit Ethernet Transceiver with Integrated Passives

PRODUCT OVERVIEW

The Marvell^®Alaska^®88E1116R is a physical layer device containing a single Gigabit Ethernet (GbE) transceiver, and is the

smallest single-port GbE PHY with integrated passives. The transceiver implements the Ethernet physical layer portion of the

1000BASE-T, 100BASE-TX, and 10BASE-T standards. Manufactured using a standard digital CMOS process, the 88E1116R

contains all active circuitry required to implement the physical layer functions to transmit and receive data on standard

CAT 5 unshielded twisted-pair cable.

The Alaska 88E1116R supports the Reduced Gigabit Media Independent Interface (RGMII) for direct connection to a Media Access

Controller (MAC)/switch port. In addition, the 88E1116R uses advanced mixed-signal processing to perform equalization, echo

and crosstalk cancellation, data recovery, and error correction at a gigabit-per-second data rate. The device achieves robust

performance in noisy environments with very low power dissipation.

The 88E1116R incorporates the Marvell Virtual Cable Tester^®(VCT^™) feature, which uses Time Domain Reﬂectometry (TDR)

for the remote identiﬁcation of potential cable malfunctions, thus reducing equipment returns and service calls. With VCT

the 88E1116R detects and reports potential cabling issues such as pair swaps, pair polarity, and excessive pair skew. The device

also detects cable opens, shorts, or any impedance mismatch in the cable, and can accurately report within one meter the

distance to the fault.

The 88E1116R device integrates MDI interface termination resistors into the PHY. This resistor integration facilitates board

layout and reduces board cost by eliminating the need for twelve external passive components. The new Marvell calibrated

resistor scheme will achieve and exceed the accuracy requirements of the IEEE 802.3 return loss speciﬁcations.

The 88E1116R features two regulators to generate all required voltages, and can run off a single 1.8V, 2.5V, or 3.3V supply.

Alternatively if the regulators are not used then the 88E1116R can run off a 1.8V and 1.2V supply.

BLOCK DIAGRAM

Fig 1. 88E1116R Functional Block Diagram

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