SMC Networks SMC91C95 - Manual (Page 17)

17
DESCRIPTION OF PIN FUNCTIONS
PIN NO. NAME SYMBOL TYPE DESCRIPTION
116 nExternal
ENDEC nXENDEC I with pullup When tied low the SMC91C95 is configured
for external ENDEC. When tied high or left
open the SMC91C95 will use its internal
encoder/decoder.
13, 25,
37, 51,
62, 71,
80, 89,
104
Power VDD +5V power supply pins
1, 117,
120
Analog
Power AVDD +5V analog power supply pins
19, 30,
44, 58,
67, 75,
84, 94,
112
Ground VSS Ground pins
8, 119,
127
Analog
Ground AVSS Analog ground pins
BUFFER TYPES
O4 Output buffer with 2mA source and 4mA sink
O162 Output buffer with 2mA source and 16mA sink
O24 Output buffer with 12mA source and 24mA sink
OD16 Open drain buffer with 16mA sink
OD24 Open drain buffer with 24mA sink
I/O24 Bidirectional buffer with 12mA source and 24mA sink
I Input buffer with TTL levels
IS Input buffer with Schmitt Trigger Hysteresis
Iclk Clock input buffer