Datasheet

Table Of Contents
General Purpose I/O Module
Freescale Semiconductor 26-5
Table 26-1. Ports External Signals
Primary
Function
(Pin Name)
1
GPIO
(Default
Function)
Alternate
Function 1
Alternate
Function 2
Description
D[31:0]
2
PA, PB,
PC, PD
External data bus / Ports A, B, C, D
OE
1
PE[7] Output enable for external reads / Port E[7]
TA
1
PE[6] Transfer acknowledge for external data transfer / Port E[6]
TEA
1
PE[5] Transfer error acknowledge for external data transfer / Port E[5]
R/W
1
PE[4] Read/Write indication for external data transfer / Port E[4]
SIZ1
1
PE[3] SYNCA Size of the external data transfer / Port E[3] / Timer A sync
SIZ0
1
PE[2] SYNCB Size of the external data transfer / Port E[3:2] / Timer B sync
TS
1
PE[1] SYNCA Transfer start indication for external data transfer / Port E[1] /
Timer A sync
TIP
1
PE[0] SYNCB Transfer in progress indication for external data transfer / Port
E[0] / Timer B sync
A[23:21]
1
PF[7:5] CS[6:4] External address bus [23:21] / Port F[7:5] / Chip selects 6–4
A[20:0]
1
PF[4:0],
PG, PH
External address bus [20:0] / Ports F[4:0], G, H
BS[3:0]
1
PJ[7:4] Byte strobes for external data transfer / Port J[7:4] / SDRAM
column address strobes
CS[3:0]
1
PJ[3:0] Chip selects 3 - 0 / Port J[3:0]
DDATA[3:0] PDD[7:4] Debug data / Port DD[7:4]
PST[3:0] PDD[7:4] Processor status / Port DD[3:0]
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]
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3