General Description

DAVICOM’s DM9161CI is a industrial-temperature physical layer, low power, and single-chip 10BASE T/100BASE-TX transceiver specifically designed for consumer electronics, industrial, and enterprise applications. Through using a CMOS process, the DM9161CI has the advantage of ensuring both high performance and savings in power consumption.

Features

■ Fully complies with IEEE 802.3 / IEEE 802.3u 10BaseT/ 100Base-TX, ANSI X3T12 TP-PMD 1995 standards

■ Support HP MDI/MDI-X auto crossover function (HP Auto-MDIX)

■ Support Auto-Negotiation function, compliant with IEEE 802.3u

■ Fully integrated Physical layer transceiver On-chip filtering with direct interface to magnetic transformer

■ Selectable repeater or node mode

■ Selectable MII or RMII (Reduced MII) mode for 100Base-TX and 10Base-TX. Selectable MII or GPSI (7-Wired) mode for 10Base-T

■ Selectable full-duplex or half-duplex operation

■ MII management interface with mask-able interrupt output capability

■ Provide Loopback mode for easy system diagnostics

■ LED status outputs indicate Link/ Activity, Speed10/100 and Full-duplex/Collision. Support DualLED optional control

■ Single low power Supply of 3.3V with an advanced CMOS technology, Built in 3.3V to 1.8V regulator

■ Lower Power consumption modes:

■ Power Reduced mode (cable detection)

■ Power Down mode

■ Supports industrial-temperature (-40℃ ~ +85℃)

■ Selectable TX drivers for 1:1 or 1.25:1 transformers for additional power reduction . 1.25: 1 transformers only when HP Auto-MDIX Disable.

■ Compatible with 3.3V and 5.0V tolerant I/Os

■ DM9161CIE pin to pin Compatible with DM9161AE / DM9161BE

■ DSP architecture PHY Transceiver.

■ 48-pin LQFP - 0.18um process