LAN8187I Ver la hoja de datos (PDF) - SMSC -> Microchip

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LAN8187I

±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR™

SMSC -> Microchip 

±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM

Datasheet

SIGNAL NAME

CRS

RX_DV

SPEED100/

PHYAD0

LINK/

PHYAD1

ACTIVITY/

PHYAD2

FDUPLEX/

PHYAD3

Table 3.2 LED Signals

TYPE

O

O

I/O

I/O

I/O

I/O

DESCRIPTION

Carrier Sense: Indicates detection of carrier.

Receive Data Valid: Indicates that recovered and decoded data

nibbles are being presented on RXD[3:0].

Note: This signal is not used in RMII Mode.

LED1 – SPEED100 indication. Active indicates that the selected

speed is 100Mbps. Inactive indicates that the selected speed is

10Mbps.

Note: This signal is mux’d with PHYAD0

LED2 – LINK ON indication. Active indicates that the Link

(100Base-TX or 10Base-T) is on.

Note: This signal is mux’d with PHYAD1

LED3 – ACTIVITY indication. Active indicates that there is

Carrier sense (CRS) from the active PMD.

Note: This signal is mux’d with PHYAD2

LED4 – DUPLEX indication. Active indicates that the PHY is in

full-duplex mode.

Note: This signal is mux’d with PHYAD3

SIGNAL NAME

MDIO

MDC

Table 3.3 Management Signals

TYPE

I/O

I

DESCRIPTION

Management Data Input/OUTPUT: Serial management data

input/output.

Management Clock: Serial management clock.

SIGNAL NAME

GPO1/

PHYAD4

FDUPLEX/

PHYAD3

ACTIVITY/

PHYAD2

LINK/

PHYAD1

SPEED100/

PHYAD0

Table 3.4 Boot Strap Configuration Inputsa

TYPE

I/O

I/O

I/O

I/O

I/O

DESCRIPTION

PHY Address Bit 4: set the default address of the PHY. This

signal is mux’d with GPO1

PHY Address Bit 3: set the default address of the PHY.

Note: This signal is mux’d with FDUPLEX

PHY Address Bit 2: set the default address of the PHY.

Note: This signal is mux’d with ACTIVITY

PHY Address Bit 1: set the default address of the PHY.

Note: This signal is mux’d with LINK

PHY Address Bit 0: set the default address of the PHY.

Note: This signal is mux’d with SPEED100

SMSC LAN8187/LAN8187I

14

DATASHEET

Revision 1.0 (12-14-06)

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