DM9701F Gigabit Ethernet PHY Transceiver Gigabit Copper Ethernet Transceiver The Davicom DM9701F is a standalone, low-power 10BASE-T/100BASE-TX/1000BASE-T Gigabit Ethernet physical layer (PHY) transceiver that is fully compliant with the IEEE 802.3 and 802.3ab standards. The PHY is implemented using an advanced DSP architecture that delivers superior performance and noise immunity. The DM9701F includes an internal hybrid, and can be connected to a CAT-5 UTP or CAT-3 UTP (10 Mbps only)cable through common magnetics. Key Features: • Fully standard compliant with: IEEE 802.3ab 1000BASE-T IEEE 802.3u (Fast Ethernet) It also supports several Ethernet MAC interfaces, including the standard IEEE Medium Independent Interface (GMII/MII), RGMII (which is a reduced 12-pin version of the 25-pin GMII), Ten Bit Interface (TBI), and the Reduced TBI (RTBI). ISO 802-3/IEEE 802.3 (10BASE-T) • Full auto-negotiation • Half- and Full-duplex operation Several power management modes are incorporated into the DM9701F to reduce power consumption, including Wake-on-LAN, energy detect power-down, and Power Optimizer TM functions. The Power Optimizer TM function enables the PHY to automatically optimize power consumption based on the operating mode and cable quality. • MAC Interface options: GMII, MII, RGMII, • TBI, and RTBI • Auto Crossover detection for all modes • Auto detection and correction of pair swap The DM9701F is fully compliant with the IEEE 802.3 standard for auto-negotiation and also includes support for the Speed Optimizer TM function. Speed Optimizer TM maximizes throughput by examining the quality of the cable and establishing the maximum speed that the link can reliability support. • (complete or half swap), and polarity • Jumbo packet support • Speed Optimizer mechanism • Power Optimizer function • Energy detect power-down • Cable diagnostics function • Internal hybrid • Low power consumption (1.5 watts) In addition to this feature, the DM9701F includes a Cable Length Estimator function that provides first-levelcable diagnostics. 1 PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com DM9701F Gigabit Ethernet PHY Transceiver DM9701F System Block Diagram Gigabit Media Access Control (MAC) Layer DM9701 Magnetics Twisted pair Cable RJ45 GMII/MII,TBI, RGMII or RTBI 125Mhz or 25Mhz DM9701F Block Diagram D C D B Viterbi and DFE C B A Analog Rx VGA ADC A Digital Rx 125 MHz Clock Magnetics PLL A B Hybrid C D PCS AutoNegotiation D C B A Analog Tx DAC Digital Tx (Scrambler, Trellis, and 4DPAM-5 Encoders) Shaper 10/100BASE-T 2 PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com GMII, RGMII, TBI, RTBI, RVTBI DM9701F Gigabit Ethernet PHY Transceiver Additional Features: • Supports CAT-5 UTP for 1000BASE-T and 100BASE-TX, and CAT-3 and CAT-5 UTP for 10BASE-T • Interrupt support • Analog network interface to common magnetic for 10/100/1000 Mbps operation • 125 MHz free-running clock output • Low-jitter PLL • Standard 0.15-micron digital CMOS process • Enhanced testability (such as JTAG and Loopback) • 3.3 and 1.5V voltage supplies 128-pin PQFP package 3 PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com