SMC Networks SMC91C95 Manual De Usuario

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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