Motorola PowerQUICC II MPC8280 Series Reference Manual page 1402

Ports Tables
GND
Pin PD4
PPARD[4] == 1 &
PSORD[4] == 1 &
PDIRD[4] == 0
Figure 41-7. Primary and Secondary Option Programming
In the tables below, the default value for a primary option is simply a reference to the
secondary option. In the secondary option, the programming is relevant only if the primary
option is not used for the function.
Table 41-5 shows the port A pin assignments.
Table 41-5. Port A—Dedicated Pin Assignment (PPARA = 1)
Pin
PDIRA = 1 (Output)
1
PA31 FCC1: TxEnb
UTOPIA master
1
PA30 FCC1: TxClav
UTOPIA slave
1
PA29 FCC1: TxSOC
UTOPIA
1
PA28 FCC1: RxEnb
UTOPIA master
PA27
41-8
Freescale Semiconductor, Inc.
PD4
Secondary option
for SMC2 RxD
0
1
PSORA = 0
Default
PDIRA = 0 (Input)
Input
1
FCC1: TxEnb GND
UTOPIA slave
1
FCC1: TxClav GND
UTOPIA master
1
FCC1: TxClav0
MPHY, master, direct
polling
1
FCC1: RxEnb GND
UTOPIA slave
1
FCC1: RxSOC GND
UTOPIA
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PA8
Primary option
for SMC2 RxD
0
1
Pin PA8
PPARA[8] == 1 &
PSORA[8] == 0 &
PDIRA[8] == 0
Pin Function
PDIRA = 1 (Output)
FCC1: RTS
FCC1: TX_ER
MII
FCC1: TX_EN
MII/RMII
to SMC2 RxD
PSORA = 1
PDIRA = 0 (Input, or Default
Inout if Specified) Input
FCC1: COL GND
MII
FCC1: CRS GND
MII
FCC1: RX_DV GND
MII
FCC1: CRS_DV
RMII
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