Freescale Semiconductor MCF54455 Reference Manual page 382

Field
15–14 PCI_GNT3 assignment. Configure the PCI_GNT3 pin for one of its primary functions or GPIO.
PAR_GNT3 00 PCI_GNT3 pin configured for GPIO
01 Reserved
10 PCI_GNT3 pin configured for ATA DMA acknowledge function
11 PCI_GNT3 pin configured for PCI grant 3 function
13 Reserved, should be cleared.
12 PCI_GNT2 assignment. Configure the PCI_GNT2 pin for one of its primary functions or GPIO.
PAR_GNT2 0 PCI_GNT2 pin configured for GPIO
1 PCI_GNT2 pin configured for PCI grant 2 function
11 Reserved, should be cleared.
10 PCI_GNT1 assignment. Configure the PCI_GNT1 pin for one of its primary functions or GPIO.
PAR_GNT1 0 PCI_GNT1 pin configured for GPIO
1 PCI_GNT1 pin configured for PCI grant 1 function
9 Reserved, should be cleared.
8 PCI_GNT0 assignment. Configure the PCI_GNT0 pin for one of its primary functions or GPIO.
PAR_GNT0 0 PCI_GNT0 pin configured for GPIO
1 PCI_GNT0 pin configured for PCI grant 0 function
7–6 PCI_REQ3 assignment. Configure the PCI_REQ3 pin for one of its primary functions or GPIO.
PAR_REQ3 00 PCI_REQ3 pin configured for GPIO
01 Reserved
10 PCI_REQ3 pin configured for ATA interrupt request function
11 PCI_REQ3 pin configured for PCI request 3 function
5 Reserved, should be cleared.
4 PCI_REQ2 assignment. Configure the PCI_REQ2 pin for one of its primary functions or GPIO.
PAR_REQ2 0 PCI_REQ2 pin configured for GPIO
1 PCI_REQ2 pin configured for PCI request 2 function
3 Reserved, should be cleared.
2 PCI_REQ1 assignment. Configure the PCI_REQ1 pin for one of its primary functions or GPIO.
PAR_REQ1 0 PCI_REQ1 pin configured for GPIO
1 PCI_REQ1 pin configured for PCI request 1 function
1 Reserved, should be cleared.
0 PCI_REQ0 assignment. Configure the PCI_REQ0 pin for one of its primary functions or GPIO.
PAR_REQ0 0 PCI_REQ0 pin configured for GPIO
1 PCI_REQ0 pin configured for PCI request 0 function
Freescale Semiconductor
Table 16-22. PAR_PCI Field Descriptions
Description
Pin Multiplexing and Control
16-37