Processor Users Manual

MOTOROLA Chapter 35. Parallel I/O Ports 35-17
Part IV. Communications Processor Module
Table 35-8 shows the port D pin assignments.
Table 35-8. Port D Dedicated Pin Assignment (PPARD = 1)
Pin
Pin Function
PSORD = 0 PSORD = 1
PDIRD = 1 (Output) PDIRD = 0 (Input)
Default
Input
PDIRD = 1 (Output)
PDIRD = 0 (Input, or
Inout if SpeciÞed)
Default
Input
PD31 SCC1: RXD GND
PD30 FCC2: TxEnb
UTOPIA master
FCC2: TxEnb
UTOPIA slave
GND SCC1: TXD
PD29 SCC1: RTS
SCC1: TENA
Ethernet
FCC1: RxAddr[3]
1
MPHY, master,
multiplexed polling
FCC2: RxAddr[4]
MPHY, master,
multiplexed polling
FCC1: RxAddr[3]
2
MPHY, slave,
multiplexed polling
FCC1: RxClav2
2
MPHY, master, direct
polling
FCC2: RxAddr[1]
MPHY, slave,
multiplexed polling
GND
PD28
FCC1: TxD[7]
UTOPIA 16 bit
SCC2: RXD
3
(secondary option)
GND TDM_C1: L1TXD
3
Inout
(secondary option)
GND
PD27
SCC2: TXD FCC1: RxD[7]
UTOPIA 16
GND TDM_C1: L1RXD
3
Inout
(secondary option)
GND
PD26
SCC2: RTS
SCC2: TENA
Ethernet
FCC1: RxD[6]
UTOPIA 16
GND TDM_C1: L1RSYNC
3
(secondary option)
GND
PD25
FCC1: TxD[6]
UTOPIA 16
SCC3: RXD
3
(secondary option)
GND TDM_D1: L1TXD
3
Inout
(secondary option)
GND
PD24
SCC3: TXD FCC1: RxD[5]
UTOPIA 16
GND TDM_D1: L1RXD
3
Inout
(secondary option)
GND
PD23
SCC3: RTS
SCC3: TENA
Ethernet
FCC1: RxD[4]
UTOPIA 16
GND TDM_D1: L1RSYNC
3
(secondary option)
GND
PD22
FCC1: TxD[5]
UTOPIA 16
SCC4: RXD GND TDM_A2: L1TXD[0]
3
Output, nibble
(secondary option)
TDM_A2: L1TXD
3
Inout, serial
(secondary option)
GND
PD21
SCC4: TXD FCC1: RxD[3]
UTOPIA 16
GND TDM_A2: L1RXD
3
Inout, serial
TDM_A2: L1RXD[0]
3
Input, nibble
(secondary option)
GND