Specifications

Rev. 1.43
User's Guide
93
6.4. MPC-8260 I/O ports
The PowerQUICC II contains 120 I/O pins that are used for communication ports and general purpose
I/Os. Many different functions are multiplexed on I/O pins, and need to be defined depending on the
board configuration.
For the VSBC-6862, the I/O pins have to be defined as:
I/O Function PPARA PDIRA PODRA PSORA
PA0
IDMA3_DREQ 1 0 0 1
PA1
IDMA3_DONE 1 0 1 1
PA2
IDMA3_DACK 1 1 0 1
PA3
IDMA4_DACK 1 1 0 1
PA4
IDMA4_DONE 1 0 1 1
PA5
IDMA4_DREQ 1 0 0 1
PA6
not used 0 1 0 0
PA7
not used 0 1 0 0
PA8
SMC2_RXD 1 0 0 0
PA9
SMC2_TXD 1 1 0 0
PA10
Rsrv1_CK 0 1 0 0
PA11
Rsrv2_IN 0 1 0 0
PA12
Rsrv3_OUT 0 0 0 0
PA13
Rsrv4_MOD 0 1 0 0
PA14
FCC1_MII_RXD3 1 0 0 0
PA15
FCC1_MII_RXD2 1 0 0 0
PA16
FCC1_MII_RXD1 1 0 0 0
PA17
FCC1_MII_RXD0 1 0 0 0
PA18
FCC1_MII_TXD0 1 1 0 0
PA19
FCC1_MII_TXD1 1 1 0 0
PA20
FCC1_MII_TXD2 1 1 0 0
PA21
FCC1_MII_TXD3 1 1 0 0
PA22
SCC1_DTR 0 1 0 0
PA23
SCC2_DTR 0 1 0 0
PA24
SCC3_DTR 0 1 0 0
PA25
SCC4_DTR 0 1 0 0
PA26
FCC1_MII_RX_ER 1 0 0 1
PA27
FCC1_MII_RX_DV 1 0 0 1
PA28
FCC1_MII_TX_EN 1 1 0 1
PA29
FCC1_MII_TX_ER 1 1 0 1
PA30
FCC1_MII_CRS 1 0 0 1
PA31
FCC1_MII_COL 1 0 0 1
I/O Function PPARB PDIRB PODRB PSORB
PB4
FCC1_MII_MDC 0 0 0 0
PB5
FCC1_MII_MDIO 0 0/1 0 0
PB6
FCC2_MII_MDC 0 0 0 0
PB7
FCC2_MII_MDIO 0 0/1 0 0
PB8
SCC3_TXD 1 1 0 1
PB9
not used 0 1 0 0
PB10
not used 0 1 0 0
PB11
not used 0 1 0 0
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