KSZ8051MNL View Datasheet(PDF) - Micrel

Part Name

Description

MFG CO.

KSZ8051MNL

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

Micrel 

Micrel, Inc.

KSZ8051MNL/RNL

Pin Number Pin Name

Type(1) Pin Function

32

RST#

I

Chip Reset (active low)

PADDLE

GND

Gnd

Ground

Notes:

1. P = Power supply.

Gnd = Ground.

I = Input.

O = Output.

I/O = Bi-directional.

Ipu/O = Input with internal pull-up (see Electrical Characteristics for value) during power-up/reset; output pin otherwise.

Ipd/O = Input with internal pull-down (see Electrical Characteristics for value) during power-up/reset; output pin otherwise.

Ipu/Opu = Input with internal pull-up (see Electrical Characteristics for value) during power-up/reset; output pin with internal pull-up (see Electrical

Characteristics for value) otherwise.

2. RMII Rx Mode: The RXD[1:0] bits are synchronous with the 50MHz RMII Reference Clock. For each clock period in which CRS_DV is asserted,

two bits of recovered data are sent by the PHY to the MAC.

3. RMII Tx Mode: The TXD[1:0] bits are synchronous with the 50MHz RMII Reference Clock . For each clock period in which TXEN is asserted, two

bits of data are received by the PHY from the MAC.

July 2010

17

M9999-070910-1.0

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