Datasheet

High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
Revision 0.8 (06-12-08) 14 SMSC LAN83C185
DATASHEET
1GPO0 O General Purpose Output 0 – General Purpose Output
signal. Driven by bits in registers 27 and 31.
(Muxed with MII Select) This pin should be pulled-down
or left floating – Do Not Pull Up.
Table 3.6 10/100 Line Interface
PIN NO. SIGNAL NAME TYPE DESCRIPTION
51 TXP AO Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
50 TXN AO Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
55 RXP AI Receive Data: 100Base-TX or 10Base-T differential
receive inputs from magnetics.
54 RXN AI Receive Data: 100Base-TX or 10Base-T differential
receive inputs from magnetics.
Table 3.7 Analog References
PIN NO. SIGNAL NAME TYPE DESCRIPTION
59 EXRES1 AI Connects to reference resistor of value 12.4K-Ohm, 1%
connected to digital GND.
Table 3.8 Analog Test Bus
PIN NO. SIGNAL NAME TYPE DESCRIPTION
56 NC2 AI/O No Connect
Table 3.9 Power Signals
PIN NO. SIGNAL NAME TYPE DESCRIPTION
53 AVDD1 Power +3.3V Analog Power
57 AVDD2 Power +3.3V Analog Power
61 AVDD3 Power +3.3V Analog Power
63 AVDD4 Power +3.3V Analog Power
49 AVSS1 Power Analog Ground
52 AVSS2 Power Analog Ground
58 AVSS3 Power Analog Ground
Table 3.5 General Signals (continued)
PIN NO. SIGNAL NAME TYPE DESCRIPTION