KSZ8041FTL データシートの表示（PDF） - Micrel

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KSZ8041FTL

10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver

Micrel 

Micrel, Inc.

KSZ8041TL/FTL

Strapping Options

Pin Number

22

21

20

Pin Name

PHYAD2

PHYAD1

PHYAD0

Type(1)

Ipd/O

Ipd/O

Ipu/O

Pin Function

The PHY Address is latched at power-up / reset and is configurable to any value from

1 to 7.

The default PHY Address is 00001.

PHY Address bits [4:3] are always set to ‘00’.

27

CONFIG2

Ipd/O The CONFIG[2:0] strap-in pins are latched at power-up / reset and are defined as

41

CONFIG1

Ipd/O follows:

40

CONFIG0

Ipd/O

CONFIG[2:0] Mode

000

MII (default)

001

RMII

010

SMII

011

Reserved – not used

100

PCS Loopback

101

RMII back-to-back

110

MII back-to-back

111

Reserved – not used

29

ISO

43

(KSZ8041TL)

SPEED

43

(KSZ8041FTL)

SPEED /

no FEF

Ipd/O

Ipu/O

Ipu/O

ISOLATE mode

Pull-up = Enable

Pull-down (default) = Disable

During power-up / reset, this pin value is latched into register 0h bit 10.

SPEED mode

Pull-up (default) = 100Mbps

Pull-down = 10Mbps

During power-up / reset, this pin value is latched into register 0h bit 13 as the Speed

Select, and also is latched into register 4h (Auto-Negotiation Advertisement) as the

Speed capability support.

If copper mode (FXEN=0), pin strap-in is SPEED mode.

Pull-up (default) = 100Mbps

Pull-down = 10Mbps

During power-up / reset, this pin value is latched into register 0h bit 13 as the Speed

Select, and also is latched into register 4h (Auto-Negotiation Advertisement) as the

Speed capability support.

If fiber mode (FXEN=1), pin strap-in is no FEF.

Pull-up (default) = Enable Far-End Fault

Pull-down = Disable Far-End Fault

This pin value is latched during power-up / reset.

April 2007

15

M9999-042707-1.1

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