General Description
DAVICOM’s DM9161C is a 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 DM9161C has the advantage of ensuring both high performance and savings in power consumption.

Features
Fully complies with IEEE 802.3 / IEEE802.3u 10Base-T/ 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 Dual-LED optional control
Single low power Supply of 3.3V with an advanced CMOS technology
Lower Power consumption modes:
o Power Reduced mode (cable detection)
o Power Down mode
o 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
Pin to pin Compatible with DM9161A/B
DSP architecture PHY Transceiver.
48-pin LQFP- 0.18um process