Technical Datasheet: DMEP Datasheet Through the Media Independent Interface (MII), the DM connects to the Medium Access Control (MAC) layer, . Details, datasheet, quote on part number: DM Company, Davicom Semiconductor Incorporated. Datasheet, Download DM datasheet. Quote. DM Datasheet PDF Download – 10/ Mbps FAST ETHERNET PHYSICAL LAYER SINGLE CHIP TRANSCEIVER, DM data sheet.

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Single low-power Supply of 3. In 10Mbps, the input is ignored. Datasheet section Davicom Website. Bad ground plane partitioning can cause more EMI emissions that could make the network interface card not compliant with specific FCC regulations part MLT-3 Driver The two binary data streams created at the MLT-3 converter are fed to the twisted pair output driver which converts these streams to current sources and alternately drives either side of the transmit transformer dataseet winding resulting in a minimal current MLT-3 signal.

When this bit is set to 1, the received data will loop out to the transmit channel. No fault detected via parallel detection function Datasyeet partner next page able: This bit works only in 10Mbps mode Extended capability: During Parallel detection there is no exchange of datasgeet information, instead, the receive signal is examined. O Differential transmit pair. This bit will be automatically cleared when the register register 6 is read by management.

Writing a 1 to this bit will cause PHY entering the Sleep mode and power down all circuit except oscillator and clock generator circuit. The receive section contains the datsheet functional blocks: In full-duplex mode, this signal is always logical 0.

If the pin is pulled high, the Datasheeet is active low after reset. These bits are for debug only. The result is a scrambled data stream with sufficient randomization to decrease radiated emissions at critical frequencies.


DM Datasheet(PDF) – Davicom Semiconductor, Inc.

In node application, this pin should be pulled high. The DM uses a low-power and high-performance 3.

In repeater mode or full-duplex mode, this signal is asserted high datashest indicate the presence of carrier due to receive activity only. Four bits of vendor model revision number mapped to bit 3 to 0 most significant bit to bit 3 24 Final Version: TL, Soldering, 10 sec. This bit is self-clearing and it will keep returning a value of 1 until autonegotiation is initiated by the DM If a valid signal is detected from dataeheet media, which might be N-way fast link pules, 10Base-T normal link pules, or Base-TX MLT3 signals, the device wakes up and resumes normal operation mode.

The crystal must be a fundamental type, series-resonant, connected to XT1 and XT2, and shunt to ground with 22pF capacitors.

Active states see LED U configuration. Please note that application circuits illustrated in this document are for reference purposes only. Read as 0, ignore on write Polarity reversed: Due to the built-in wave-shaping filter, the DM does not need any external filters to transport signals to the media in M or 10M Ethernet operations.

When this bit is set, the Speed status change will not generate the interrupt Link interrupt mask: If this bit is 1, it means the operation 1 mode is a Datssheet half duplex mode.

F, as required by the design layout.

DM9161 Datasheet PDF

Figure 4 44 Final Version: If TXER is asserted for one or more clock periods, and TXEN is asserted, the PHY will emit one or more symbols that are not part of the valid data delimiter set somewhere in the frame being transmitted. Dambar cannot be located on the lower radius of the foot. Collision Detection For half-duplex operation, a collision is detected when the transmit and receive channels are active simultaneously. Link partner auto-negotiation able: This bit is used to enable automatic reduced power down.


The Clock Recovery Module locks onto the data stream and extracts the Mhz reference clock. Exact shape d9161 each corner is optional. Figure 1 shows the major functional blocks implemented in the DM Adaptive Equalizer When transmitting data at high speeds over copper twisted pair cable, attenuation based on frequency becomes a concern.

Please enter any additional message. DMDM Wiznet: The designer should be careful not to cross the transmit datasheey receive pairs. Active high enables receive signals RXD[0: If it is discovered that the signal matches a technology that the receiving device supports, a connection will be automatically established using that technology.

Test mode control pin. Asserted low whenever there is a status change link, speed, duplex.

DM 데이터시트(PDF) – List of Unclassifed Manufacturers

DM, no next page DM does not support this function, so this bit is always 0. MII Serial Management The MII serial management interface consists of a data interface, basic register set, and a serial management interface to the register set. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Figure 4 shows a recommended ground layout scheme. Reserved Duplex status change interrupt: Products datasneet herein are intended for use in normal commercial applications. If this bit is 1, it means the operation 1 mode is a 10M half duplex mode. A new link code word page received.