LAN9730 datasheet(13/222 Pages) MICROCHIP

13 / 222 page

 2012-2015 Microchip Technology Inc.

DS00001946A-page 13

LAN9730/LAN9730i

Transmit

Clock

(Internal PHY

Mode)

TXCLK

IS/O8

(PU)

In Internal PHY Mode, this pin can be configured

to display the respective internal MII signal. Refer

to the Internal MII Visibility Enable (IME) bit of the

Hardware Configuration Register (HW_CFG) on

page 125 for additional information.

Transmit

Clock

(External

PHY Mode)

TXCLK

(PU)

In External PHY Mode, this pin is the transmitter

clock input from the external PHY.

Carrier Sense

(Internal PHY

Mode)

CRS

IS/O8

(PU)

In Internal PHY Mode, this pin can be configured

to display the respective internal MII signal. Refer

to the Internal MII Visibility Enable (IME) bit of the

Hardware Configuration Register (HW_CFG) on

page 125 for additional information.

Carrier Sense

(External

PHY Mode)

CRS

(PD)

In External PHY Mode, the signal on this pin is

input from the external PHY and indicates a net-

work carrier.

General Pur-

pose I/O 3

(Internal PHY

Mode Only)

GPIO3

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully programma-

ble as either a push-pull output, an open-drain

output or a Schmitt-triggered input.

MII Collision

Detect

(Internal PHY

Mode)

COL

IS/O8

(PU)

In Internal PHY Mode, this pin can be configured

to display the respective internal MII signal. Refer

to the Internal MII Visibility Enable (IME) bit of the

Hardware Configuration Register (HW_CFG) on

page 125 for additional information.

MII Collision

Detect

(External

PHY Mode)

COL

(PD)

In External PHY Mode, the signal on this pin is

input from the external PHY and indicates a colli-

sion event.

General Pur-

pose I/O 0

(Internal PHY

Mode Only)

GPIO0

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully programma-

ble as either a push-pull output, an open-drain

output or a Schmitt-triggered input.

Note:

This pin may be used to signal PME

when Internal PHY and PME Modes of

operation are in effect. Refer to Chapter

5.0, "PME Operation" for additional

information.

TABLE 2-1:

MII INTERFACE PINS (CONTINUED)

Num Pins

Name

Symbol

Buffer

Type

Description

LAN9730 Datasheet(PDF) 13 Page - Microchip Technology

LAN9730 Datasheet(HTML) 13 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Descarga

Enlace URL