External Pin Description
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor 15-5
FEC1MDC SCL CANTX0 Ethernet Controller 1 management data clock / I2C serial
clock / FlexCAN 0 transmit data
I2C Serial Control
SDA PFECI2C1 I2C serial data / Port FECI2C1
SCL PFECI2C0 I2C serial clock / Port FECI2C0
External Interrupts
IRQ6 PIRQ62CANRX1 Interrupt 6 / Port IRQ6 / FlexCAN 1 receive data
IRQ5 PIRQ52CANRX1 Interrupt 5 / Port IRQ5 / FlexCAN 1 receive data
DMA Serial Peripheral Interface
DSPICS5/PCSS PDSPI6 DSPI synchronous peripheral chip select 3 / Port DSPI6
DSPICS3 PDSPI5 TOUT3 CANTX1 DSPI synchronous peripheral chip select 3 / Port DSPI5 /
GP timer out 3 / FlexCAN 1 transmit data
DSPICS2 PDSPI4 TOUT2 CANTX1 DSPI synchronous peripheral chip select 3 / Port DSPI4 /
GP timer out 2 / FlexCAN 1 transmit data
DSPICS0/SS PDSPI3 PSC3RTS PSC3FSYNC DSPI synchronous peripheral chip select 3 / Port DSPI3 /
PSC3 request-to-send / PSC3 frame sync
DSPISCK PDSPI2 PSC3CTS PSC3BCLK DSPI serial clock / Port DSPI2 / PSC3 clear-to-send /
PSC3 modem clock
DSPISIN PDSPI1 PSC3RXD DSPI serial data input / Port DSPI1 / PSC3 receive data
DSPISOUT PDSPI0 PSC3TXD DSPI serial data output / Port DSPI 0 / PSC3 transmit data
Programmable Serial Control Module 3
PSC3CTS PPSC3PSC27 PSC3BCLK PSC3 clear-to-send indication / Port PSC3PSC27 / PSC3
modem clock
PSC3RTS PPSC3PSC26 PSC3FSYNC PSC3 request-to-send indication / Port PSC3PSC26 /
PSC3 frame sync
PSC3RXD PPSC3PSC25 PSC3 receive data / Port PSC3PSC25
PSC3TXD PPSC3PSC24 PSC3 transmit data / Port PSC3PSC24
Programmable Serial Control Module 2
PSC2CTS PPSC3PSC23 PSC2BCLK CANRX0 PSC2 clear-to-send indication / Port PSC3PSC23 / PSC2
modem clock
PSC2RTS PPSC3PSC22 PSC2FSYNC CANTX0 PSC2 request-to-send indication / Port PSC3PSC22 /
PSC2 frame sync
PSC2RXD PPSC3PSC21 PSC2 receive data / Port PSC3PSC21
PSC2TXD PPSC3PSC20 PSC2 transmit data / Port PSC3PSC20
Programmable Serial Control Module 1
PSC1CTS PPSC1PSC07 PSC1BCLK PSC1 clear-to-send indication / Port PSC1PSC07 / PSC1
modem clock
Table 15-1. MCF548x GPIO Module External Pins (Continued)

Primary

Function

(Pin Name)1GPIO Alternate

Function 1

Alternate

Function 2 Description