Motorola ColdFire MCF5281 - Manual (Page 506)

General Purpose I/O Module
26-6 Freescale Semiconductor
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[2] / UART1 request to send /
UART0 request to send
DTIN0 PTD[1] UCTS1 UCTS0 DMA timer 0 input / Port TD[1] / UART1 clear to send / UART0
clear to send
DTOUT0 PTD[0] UCTS1 UCTS0 DMA timer 0 output / Port TD[0] / UART1 clear to send / UART0
clear to send
URXD1 PUA[3] — — UART1 receive serial data / Port UA[3]
UTXD1 PUA[2] — — UART1 transmit serial data / Port UA[2]
URXD0 PUA[1] — — UART0 receive serial data / Port UA[1]
UTXD0 PUA[0] — — UART0 transmit serial data / Port UA[0]
The following signals apply to the MCF5280, MCF5281, and MCF5282
ETXCLK PEH[7] — — Ethernet transmit clock / PEH[7]
ETXEN PEH[6] — — Ethernet transmit enable / PEH[6]
ETXD[0] PEH[5] — — Ethernet transmit data [0] / PEH[5]
ECOL PEH[4] — — Ethernet collision / PEH[4]
ERXCLK PEH[3] — — Ethernet receive clock / PEH[3]
ERXDV PEH[2] — — Ethernet receive data valid / PEH[2]
ERXD[0] PEH[1] — — Ethernet receive data [0] / PEH[1]
Table 26-1. Ports External Signals (continued)
Primary
Function
(Pin Name)
1
GPIO
(Default
Function)
Alternate
Function 1
Alternate
Function 2
Description
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3