Micrel, Inc.
Ball Number
C9
B9
A9
Ball Name
P2LED2
P2LED1
P2LED0
Type (1)
Ipu/O
Ipu/O
Ipu/O
C8
ADVFC
Ipu
B8
P2ANEN
Ipu
KSZ8893MQL/MBL
Ball Function Description
Port 2 LED Indicators
(apply to all modes of operation, except Repeater Mode)
P2LED3
P2LED2
P2LED1
P2LED0
[LEDSEL1, LEDSEL0]
[0, 0]
[0, 1]
—
—
Link/Act
100Link/Act
Full duplex/Col 10Link/Act
Speed
Full duplex
P2LED3
P2LED2
P2LED1
P2LED0
[LEDSEL1, LEDSEL0]
[1, 0]
[1, 1]
Act
—
Link
—
Full duplex/Col —
Speed
—
Link/Act, 100Link/Act, 10Link/Act : Low (link), High (no link),
Toggle (transmit / receive activity)
Full duplex/Col : Low (full duplex), High (half duplex), Toggles
(collision)
Speed : Low (100BASE-TX), High (10BASE-T)
Full duplex : Low (full duplex), High (half duplex)
Act : Toggle (transmit / receive activity)
Link : Low (link), High (no link)
Repeater Mode (only)
[LEDSEL1, LEDSEL0]
[0, 0]
P2LED3
RPT_ACT
P2LED2
RPT_ERR3
P2LED1
RPT_ERR2
P2LED0
RPT_ERR1
RPT_ACT : Low (activity)
RPT_ERR# (# = port) : Low (error status due to either
isolation, partition, jabber, or JK error)
Notes:
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.
1 = advertise the switch’s flow control capability via auto-
negotiation.
0 = will not advertise the switch’s flow control capability via
auto-negotiation.
1 = enable auto-negotiation on port 2
0 = disable auto-negotiation on port 2
February 2010
20
M9999-021110-1.6