Motorola MCF5281 用户手册

MOTOROLA

Chapter 26.  General Purpose I/O Module  

26-5

ERXER

PEL[0]

—

—

Ethernet receive error / Port EL[0]

EMDIO

PAS[5]

URXD2

—

Ethernet management data control / Port AS[5] / URXD2

EMDC

PAS[4]

UTXD2

—

Ethernet management data clock / Port AS[4] / UTXD2

CANRX

PAS[3]

URXD2

—

FlexCAN receive data / Port AS[3] / URXD2

CANTX

PAS[2]

UTXD2

—

FlexCAN transmit data / Port AS[2] / UTXD2

SDA

PAS[1]

URXD2

—

I

2

C serial data / Port AS[1] / URXD2

SCL

PAS[0]

UTXD2

—

I

2

C serial clock / Port AS[0] / UTXD2

IRQ[7:1]

 3

PNQ[7:1]

—

—

Edge Port external interrupt pins / Port NQ[7:1]

AN[56:55:53:52]

 2

PQA 

[4:3:1:0]

ETRIG[2:1], 

MA[1:0]

—

QADC analog inputs / Port QA[4:3:1:0] / external triggers / external 
multiplex control

AN[3:0]

 2

PQB[3:0]

ANZ, ANY, 

ANX, ANW

—

QADC analog inputs / Port QB[3:0] / multiplexed analog inputs

QSPI_CS

[3:0]

PQS[6:3]

—

—

QSPI synchronous peripheral chip selects / Port QS[3:6]

QSPI_CLK

PQS[2]

—

—

QSPI serial clock / Port QS[2]

QSPI_DIN

PQS[1]

—

—

QSPI serial data input / Port QS[1]

QSPI_DOUT

PQS[0]

—

—

QSPI serial data output / Port QS[0]

SRAS

PSD[5]

—

—

SDRAM synchronous row address strobe / Port SD[5]

SCAS

PSD[4]

—

SDRAM synchronous column address strobe / Port SD[4]

DRAMW

PSD[3]

—

—

SDRAM write enable / Port SD[3]

SDRAM_CS[1:0]

PSD[2:1]

—

—

SDRAM row address strobes 1, 0 / Port SD[2:1]

SCKE

PSD[0]

—

—

SDRAM clock enable / Port SD[0]

GPTA[3:0]

 2

PTA[3:0]

—

—

General purpose timer A input/output / Port TA[3:0]

GPTB[3:0]

 2

PTB[3:0]

—

—

General purpose timer B input/output / Port TB[3:0]

DTIN3

PTC[3]

URTS1

URTS0

DMA timer 3 input / Port TC[3] / UART1 request to send / UART0 
request to send

DTOUT3

PTC[2]

URTS1

URTS0

DMA timer 3 output / Port TC[2] / UART1 request to send / UART0 
request to send

DTIN2

PTC[1]

UCTS1

UCTS0

DMA timer 2 input / Port TC[1] / UART1 clear to send / UART0 clear 
to send

DTOUT2

PTC[0]

UCTS1

UCTS0

DMA timer 2 output / Port TC[0] / UART1 clear to send / UART0 clear 
to send

DTIN1

PTD[3]

URTS1

URTS0

DMA timer 1 input / Port TD[3] / UART1 request to send / UART0 
request to send

DTOUT1

PTD[2]

URTS1

URTS0

DMA timer 1 output / Port TD[3] / UART1 request to send / UART0 
request to send