Freescale Semiconductor MCF54455 Reference Manual page 562

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BE[3:0] AD[1:0]
1110
1101
1011
0111
1100
1001
0011
1000
0001
0000
Table 22-33. Non-Contiguous PCI to Internal Bus Transfers
BE[3:0] AD[1:0]
1010
0110
0101
0010
0100
Freescale Semiconductor
Table 22-32. Contiguous PCI to Internal bus Transfers
PCI Bus
Data Bus Byte Lanes
31:24 23:16
15:8
00
00
OP3
00
OP3
00
OP3
00
OP3
00
OP3
OP2
00
OP3
OP2
00
OP3
OP2
00
OP3
OP2
OP1
00
OP3
OP2
OP1
(All Require Two Internal Bus Accesses)
PCI Bus
Data Bus Byte Lanes
31:24 23:16
15:8
00
OP3
00
OP3
00
OP3
OP2
00
OP3
OP2
00
OP3
OP2
Internal Bus
Data Bus Byte Lanes
HADDR
[1:0]
7:0
31:24 23:16 15:8
OP3
00
OP3
01
OP3
10
11
OP2
00
OP2
OP3
01
OP2
10
10
OP1
00
OP1
OP2
10
01
OP1
10
OP0
00
OP0
OP1
Internal Bus
Data Bus Byte Lanes
HADDR
[1:0]
7:0
31:24 23:16 15:8
OP2
00
OP2
10
OP2
000
OP2
011
01
OP2
11
OP1
00
OP1
10
OP1
00
OP1
OP2
11
PCI Bus Controller
7:0
OP3
OP3
OP3
OP2
OP3
OP3
OP2
OP3
OP2
OP3
7:0
OP3
OP3
OP3
OP2
OP3
OP3
22-45

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