Motorola ColdFire MCF5281 User Manual

Page 253

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Signal Descriptions

Freescale Semiconductor

14-13

External Interrupts Port

B15:B16:C14:C15:

C16: D14:D15

IRQ[7:1]

PNQ[7:1]

—

External interrupt request

I/O

—

Ethernet

For MCF5280, MCF5281 and MCF5282 only

C10

EMDIO

PAS5

URXD2

Management channel
serial data

I/O

—

B10

EMDC

PAS4

UTXD2

Management channel clock

I/O

—

A8

ETXCLK

PEH7

—

MAC Transmit clock

I/O

—

D6

ETXEN

PEH6

—

MAC Transmit enable

I/O

—

D7

ETXD0

PEH5

—

MAC Transmit data

I/O

—

B11

ECOL

PEH4

—

MAC Collision

I/O

—

A10

ERXCLK

PEH3

—

MAC Receive clock

I/O

—

C8

ERXDV

PEH2

—

MAC Receive enable

I/O

—

D9

ERXD0

PEH1

—

MAC Receive data

I/O

—

A11

ECRS

PEH0

—

MAC Carrier sense

I/O

—

A7:B7:C7

ETXD[3:1]

PEL[7:5]

—

MAC Transmit data

I/O

—

D10

ETXER

PEL4

—

MAC Transmit error

I/O

—

A9:B9:C9

ERXD[3:1]

PEL[3:1]

—

MAC Receive data

I/O

—

B8

ERXER

PEL0

—

MAC Receive error

I/O

—

GPIO

For MCF5214 and MCF5216 only

C10

PAS5

URXD2

—

GPIO/serial data

I/O

—

B10

NC

—

—

No connect

—

—

A8

PEL0

—

—

GPIO

I/O

—

D6

NC

—

—

No connect

—

—

D7

NC

—

—

No connect

—

—

B11

NC

—

—

No connect

—

—

A10

PAS4

UTXD2

—

GPIO/serial data

I/O

—

C8

NC

—

—

No connect

—

—

D9

NC

—

—

No connect

—

—

A11

NC

—

—

No connect

—

—

Table 14-3. MCF5282 Signals and Pin Numbers Sorted by Function (continued)

MAPBGA Pin

Pin Functions

Description

Primary

I/O

Internal

Pull-up

1

Primary

2

Secondary

Tertiary

MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3

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