KSZ8041TL-S Micrel Inc, KSZ8041TL-S Datasheet - Page 19

• Manufacturer Part Number: KSZ8041TL-S
• Description: IC TXRX PHY 10/100 BASE 48TQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8041TL-S

• Number Of Drivers/receivers: 1/1
• Protocol: SMII
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3626; KSZ8041TL-S

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