Micrel, Inc.
KSZ8993M/ML
Pin Description and I/O Assignment
Pin Number
Pin Name
P1LED2
P1LED1
P1LED0
Type (1)
Ipu/O
Ipu/O
Ipu/O
Description
1
2
3
Port 1 LED indicators
[LEDSEL1, LEDSEL0]
[0, 0]
[0, 1]
P1LED3
P1LED2
P1LED1
P1LED0
—
—
Link/Act
Full duplex/Col
Speed
100Link/Act
10Link/Act
Full duplex
[LEDSEL1, LEDSEL0]
[1, 0]
[1, 1]
P1LED3
P1LED2
P1LED1
P1LED0
Notes:
Act
—
—
—
—
Link
Full duplex/Col
Speed
LEDSEL0 is external strap-in pin 70.
LEDSEL1 is external strap-in pin 23.
P1LED3 is pin 25.
During reset, P1LED[2:0] are inputs for internal testing.
Port 2 LED indicators
4
5
6
P2LED2
P2LED1
P2LED0
Ipu/O
Ipu/O
Ipu/O
[LEDSEL1, LEDSEL0]
[0, 0]
[0, 1]
P2LED3
P2LED2
P2LED1
P2LED0
—
—
Link/Act
Full duplex/Col
Speed
100Link/Act
10Link/Act
Full duplex
[LEDSEL1, LEDSEL0]
[1, 0]
[1, 1]
P2LED3
P2LED2
P2LED1
P2LED0
Notes:
Act
—
—
—
—
Link
Full duplex/Col
Speed
LEDSEL0 is external strap-in pin 70.
LEDSEL1 is external strap-in pin 23.
P2LED3 is pin 20.
During reset, P2LED[2:0] are inputs for internal testing.
Digital ground
7
DGND
Gnd
Note:
1. Ipu/O = Input with internal pull-up during reset, output pin otherwise.
Gnd = Ground.
October 2008
10
M9999-020606
MICREL [ MICREL SEMICONDUCTOR ]
