High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
Table 3.5 General Signals (continued)
PIN NO.
SIGNAL NAME
TYPE
DESCRIPTION
1
GPO0
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
TYPE
PIN NO.
SIGNAL NAME
DESCRIPTION
51
TXP
TXN
RXP
RXN
AO
AO
AI
Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
50
55
54
Transmit Data: 100Base-TX or 10Base-T differential
transmit outputs to magnetics.
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.
Table 3.7 Analog References
TYPE
PIN NO.
SIGNAL NAME
DESCRIPTION
59
EXRES1
AI
Connects to reference resistor of value 12.4K-Ohm, 1%
connected to digital GND.
Table 3.8 Analog Test Bus
TYPE
PIN NO.
SIGNAL NAME
DESCRIPTION
DESCRIPTION
56
NC2
AI/O
No Connect
Table 3.9 Power Signals
TYPE
PIN NO.
SIGNAL NAME
53
57
61
63
49
52
58
AVDD1
AVDD2
AVDD3
AVDD4
AVSS1
AVSS2
AVSS3
Power
Power
Power
Power
Power
Power
Power
+3.3V Analog Power
+3.3V Analog Power
+3.3V Analog Power
+3.3V Analog Power
Analog Ground
Analog Ground
Analog Ground
SMSC LAN83C185
Rev. 0.8 (11-16-04)
DATA1S5HEET
SMSC [ SMSC CORPORATION ]
