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MPC8280 Datasheet(PDF) 1324 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 1324 Page - Freescale Semiconductor, Inc

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Parallel I/O Ports
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
41-8
Freescale Semiconductor
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
Pin Function
PSORA = 0
PSORA = 1
PDIRA = 1 (Output)
PDIRA = 0 (Input)
Defaul
t Input
PDIRA = 1 (Output)
PDIRA = 0 (Input, or
Inout if Specified)
Defaul
t Input
PA31
FCC1: TxEnb1
UTOPIA master
FCC1: TxEnb1
UTOPIA slave
GND
FCC1: COL
MII
GND
PA30
FCC1: TxClav1
UTOPIA slave
FCC1: TxClav1
UTOPIA master
FCC1: TxClav01
MPHY, master, direct
polling
GND
FCC1: RTS
FCC1: CRS
MII
GND
PA29
FCC1: TxSOC1
UTOPIA
FCC1: TX_ER
MII
PA28
FCC1: RxEnb1
UTOPIA master
FCC1: RxEnb1
UTOPIA slave
GND
FCC1: TX_EN
MII/RMII
PA27
FCC1: RxSOC1
UTOPIA
GND
FCC1: RX_DV
MII
FCC1: CRS_DV
RMII
GND
PA26
FCC1: RxClav1
UTOPIA slave
FCC1: RxClav1
UTOPIA master
FCC1: RxClav01
MPHY, master, direct
polling
GND
FCC1: RX_ER
MII/RMII
GND
Pin PA8
Pin PD4
GND
PPARA[8] == 1 &
PPARD[4] == 1 &
PSORA[8] == 0 &
PDIRA[8] == 0
PSORD[4] == 1 &
PDIRD[4] == 0
Primary option
Secondary option
PD4
PA8
0
1
0
1
for SMC2 RxD
for SMC2 RxD
to SMC2 RxD



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