KSZ8041FTLI Micrel Inc, KSZ8041FTLI Datasheet - Page 20

• Manufacturer Part Number: KSZ8041FTLI
• Description: Physical Layer Transceiver 10/100BASE-FX ( )
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8041FTLI

• 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
• For Use With: 576-3294 - BOARD EVALUATION KSZ8041FTL
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3347

Micrel, Inc.
Notes:
December 2009
Pin Number
1. P = Power supply.
2. MII Rx Mode: The RXD[3..0] bits are synchronous with RXCLK. When RXDV is asserted, RXD[3..0] presents valid data to MAC through the MII.
3. MII Tx Mode: The TXD[3..0] bits are synchronous with TXCLK. When TXEN is asserted, TXD[3..0] presents valid data from the MAC through
Gnd = Ground.
I = Input.
O = Output.
I/O = Bi-directional.
Ipd = Input with internal pull-down (40K +/-30%).
Ipu = Input with internal pull-up (40K +/-30%).
Opu = Output with internal pull-up (40K +/-30%).
Ipu/O = Input with internal pull-up (40K +/-30%) during power-up/reset; output pin otherwise.
Ipd/O = Input with internal pull-down (40K +/-30%) during power-up/reset; output pin otherwise.
RXD[3..0] is invalid when RXDV is de-asserted.
the MII. TXD[3..0] has no effect when TXEN is de-asserted.
43
44
45
46
47
48
Pin Name
SPEED
LED1 /
RST#
NC
NC
NC
NC
Type
Ipu/O
-
-
-
I
-
(1)
Pin Function
LED Output:
Config. Mode:
The LED1 pin is programmable via register 1Eh bits [15:14], and is defined as
follows.
LED mode = [10]
LED mode = [11]
No connect
No connect
No connect
Chip Reset (active low)
No connect
LED mode = [00]
Speed
10BT
100BT
LED mode = [01]
Activity
No Activity
Activity
Programmable LED1 Output /
Latched as SPEED (register 0h, bit 13) during power-up /
reset. See “Strapping Options” section for details.
20
Pin State
H
L
Pin State
H
Toggle
Reserved
Reserved
LED Definition
OFF
ON
LED Definition
OFF
Blinking
KSZ8041TL/FTL/MLL
M9999-120909-1.2