Freescale Semiconductor MCF54455 Reference Manual page 301

Chip Configuration Module (CCM)
Pin(s) Affected
FB_AD[31:0], PCI_*
FB_AD[31:0], PCI_*
(none)
(none)
(none)
11-14
Table 11-12. Parallel Configuration During Reset
Default Override Pins
Configuration in Reset
FB_AD[7:5]
111
110
101
See RCON[7:5]
100
011
010
001
000
FB_AD[7:5]
111
110
101
See RCON[7:5]
100
011
010
001
000
FB_AD4
See RCON[4]
1
0
FB_AD3
See RCON[3]
1
0
FB_AD3
See RCON[3]
1
0
1
2,3
Flexbus, PCI, Port Size Mode (360-pin Devices)
PCI, muxed FB addr/data, 8-bit boot
No PCI, muxed FB addr/data, 16-bit boot
No PCI, muxed FB addr/data, 8-bit boot
No PCI, muxed FB addr/data, 32-bit boot
PCI, muxed FB addr/data, 16-bit boot
No PCI, non-muxed FB addr/data, 16-bit boot
No PCI, non-muxed FB addr/data, 8-bit boot
No PCI, non-muxed FB addr/data, 32-bit boot
Flexbus, PCI, Port Size Mode (256-pin Devices)
Reserved
No PCI, muxed FB addr/data, 16-bit boot
No PCI, muxed FB addr/data, 8-bit boot
No PCI, muxed FB addr/data, 32-bit boot
Reserved
No PCI, non-muxed FB addr/data, 16-bit boot
No PCI, non-muxed FB addr/data, 8-bit boot
No PCI, non-muxed FB addr/data, 32-bit boot
Limp mode
PLL mode
PCI Host/Agent Mode
(360-pin PCI-Enabled Devices)
PCI host mode
PCI agent mode
Oscillator Mode
(360-pin PCI-Disabled Devices and 256-pin Devices)
Oscillator bypass mode
Crystal oscillator mode
Function
PLL Mode
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