LAN83C185 Datasheet, PDF (15/61 Pages) SMSC Corporation – HIGH PERFORMANCE SINGLE CHIP LOW POWER 10/100 ETHERNET PHYSICAL LAYER TRANSCEIVER

High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
Table 3.5 General Signals (continued)
PIN NO.
SIGNAL NAME
1
GPO0
TYPE
DESCRIPTION
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
51
TXP
50
TXN
55
RXP
54
RXN
TYPE
DESCRIPTION
AO
Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
AO
Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
AI
Receive Data: 100Base-TX or 10Base-T differential
receive inputs from magnetics.
AI
Receive Data: 100Base-TX or 10Base-T differential
receive inputs from magnetics.
PIN NO.
SIGNAL NAME
59
EXRES1
Table 3.7 Analog References
TYPE
DESCRIPTION
AI
Connects to reference resistor of value 12.4K-Ohm, 1%
connected to digital GND.
PIN NO.
SIGNAL NAME
56
NC2
Table 3.8 Analog Test Bus
TYPE
AI/O No Connect
DESCRIPTION
PIN NO.
SIGNAL NAME
53
AVDD1
57
AVDD2
61
AVDD3
63
AVDD4
49
AVSS1
52
AVSS2
58
AVSS3
SMSC LAN83C185
Table 3.9 Power Signals
TYPE
DESCRIPTION
Power +3.3V Analog Power
Power +3.3V Analog Power
Power +3.3V Analog Power
Power +3.3V Analog Power
Power Analog Ground
Power Analog Ground
Power Analog Ground
15
DATASHEET
Rev. 0.8 (11-16-04)