Data Sheet

fido5100/fido5200

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

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Rev. G | 11 of 21

Table 5. Pin Function Descriptions (Continued)

Pin No.

Mnemonic

Direction1

Description

J12

P2_RXCLK

I

Port 2 MII Receive Clock from PHY.

K1

P1_TXD0

O

Transmit Data Output Bit 0 for Port 1 MII and RMII.

K6

P1_RXDV

I

Port I MII Received Data Valid. Asserting Pin K6 high indicates that data from the Port 1 PHY is

valid (used as CRS/RXDV in RMII mode).

K7

P1_LINK_STATUS

I

Port 1 Link Status from PHY. Asserting Pin K7 low activates the Port 1 link.

K8

P2_TXD1

O

Transmit Data Output Bit 1 for Port 2 MII and RMII.

K10

P2_RXD0

I

Receive Data Input Bit 0 for Port 2 MII and RMII.

L1

P1_TXD1

I

Transmit Data Output Bit 1 for Port 1 MII and RMII.

L2

P1_TXD2

O

Transmit Data Output Bit 2 for Port 1 MII.

L3

P1_RXD0

I

Receive Data Input Bit 0 for Port 1 MII and RMII.

L4

P1_RXD3

I

Receive Data Input Bit 3 for Port 1 MII.

L6

P1_CRS

I

Port 1 Carrier Sense. When L6 is asserted high, a carrier has been sensed on Port 1.

L7

P1_ACTIVITY

O

Port 1 Activity LED Output Driver. The LED turns on when Pin L7 is asserted low.

L8

P2_TXD0

O

Transmit Data Output Bit 0 for Port 2 MII and RMII.

L9

P2_TXD3

O

Transmit Data Output Bit 3 for Port 2 MII.

L11

P2_RXD2

I

Receive Data Input Bit 2 for Port 2 MII.

M1

P1_TXD3

O

Transmit Data Output Bit 3 for Port 1 MII.

M3

P1_RXD1

I

Receive Data Input Bit 1 for Port 1 MII AND RMII.

M4

P1_RXD2

I

Receive Data Input Bit 2 for Port 1 MII.

M6

P1_RXCLK

I

Port I MII Receive Clock from PHY.

M7

P1_COL

I

Port 1 MII Collision. Asserting Pin M7 high indicates a collision on Port 1.

M8

P2_TXEN

O

Port 2 MII Transmit Enable. Setting Pin M8 to high enables the Port 2 transmit.

M9

P2_TXD2

O

Transmit Data Output Bit 2 for Port 2 MII.

M10

P2_TXCLK

I

Port 2 MII Transmit Clock from PHY.

M11

P2_RXD1

I

Receive Data Input Bit 1 for Port 2 MII and RMII.

M12

P2_RXD3

I

Receive Data Input Bit 3 for Port 2 MII.

1 I is input, I/O is input/output, O is output, and N/A is not applicable.