KSZ8041TL A3 Micrel Inc, KSZ8041TL A3 Datasheet - Page 19

• Manufacturer Part Number: KSZ8041TL A3
• Manufacturer: Micrel Inc

Specifications of KSZ8041TL A3

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Micrel, Inc.
December 2009
Pin Number
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Pin Name
CONFIG2
CONFIG0
CONFIG1
NWAYEN
VDD_1.8
RXDV /
RXER /
INTRP
LED0 /
TXEN
COL /
CRS /
TXD0
TXD1
TXD2
TXD3
GND
GND
RXC
TXC
ISO
Type
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipu/O
Gnd
Opu
Gnd
I/O
O
P
I
I
I
I
I
(1)
Pin Function
MII Mode:
Config. Mode:
MII Receive Clock Output
MII Mode:
Config. Mode:
Ground
1.8V digital V
Interrupt Output: Programmable Interrupt Output
Register 1Bh is the Interrupt Control/Status Register for programming the
interrupt conditions and reading the interrupt status. Register 1Fh bit 9 sets the
interrupt output to active low (default) or active high.
MII Transmit Clock Output
MII Transmit Enable Input
MII Transmit Data Input[0]
MII Transmit Data Input[1]
Ground
MII Transmit Data Input[2]
MII Transmit Data Input[3]
MII Mode:
Config. Mode:
MII Mode:
Config. Mode:
LED Output:
Config. Mode:
The LED0 pin is programmable via register 1Eh bits [15:14], and is defined as
follows.
LED mode = [10]
LED mode = [11]
LED mode = [00]
Link/Activity
No Link
Link
Activity
LED mode = [01]
Link
No Link
Link
DD
Receive Data Valid Output /
The pull-up/pull-down value is latched as CONFIG2 during
power-up / reset. See “Strapping Options” section for details.
Receive Error Output /
The pull-up/pull-down value is latched as ISOLATE during
power-up / reset. See “Strapping Options” section for details.
Collision Detect Output /
The pull-up/pull-down value is latched as CONFIG0 during
power-up / reset. See “Strapping Options” section for details.
Carrier Sense Output /
The pull-up/pull-down value is latched as CONFIG1 during
power-up / reset. See “Strapping Options” section for details.
Programmable LED0 Output /
Latched as Auto-Negotiation Enable (register 0h, bit 12)
during power-up / reset. See “Strapping Options” section for
details.
19
Pin State
H
L
Toggle
Pin State
H
L
Reserved
Reserved
(3)
(3)
(3)
(3)
/
/
LED Definition
OFF
ON
Blinking
LED Definition
OFF
ON
KSZ8041TL/FTL/MLL
M9999-120909-1.2