MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 1112

• Manufacturer Part Number: MPC8544COMEDEV
• Description: KIT DEV EXPRESS MPC8544COM
• Manufacturer: Freescale Semiconductor
• Type: MPUr

Specifications of MPC8544COMEDEV

• Contents: Board
• For Use With/related Products: MPC8544
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PCI Express Interface Controller
18.3.8.3.3
The secondary bus number register is shown in
Table 18-57
18.3.8.3.4
The subordinate bus number register is shown in
Table 18-58
18-58
Offset 0x19
Offset 0x1A
Reset
Reset
W
W
R
R
Bits
Bits
7–0
7–0
describes the secondary bus number register fields.
describes the subordinate bus number register fields.
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Table 18-58. PCI Express Subordinate Bus Number Register Field Description
PCI Express Secondary Bus Number Register—Offset 0x19
Table 18-57. PCI Express Secondary Bus Number Register Field Description
PCI Express Subordinate Bus Number Register—Offset 0x1A
7
7
Secondary Bus Number Bus that is directly connected to the downstream interface. Note that this
Subordinate Bus
Figure 18-62. PCI Express Subordinate Bus Number Register
Figure 18-61. PCI Express Secondary Bus Number Register
Number
Name
Name
register is programmed during system enumeration; in RC mode, this
register is typically programmed to 0x01.
Highest bus number that is on the downstream interface.
Subordinate Bus Number
Secondary Bus Number
Figure
Figure
All zeros
All zeros
18-61.
18-62.
Description
Description
Freescale Semiconductor
Access: Read/Write
Access: Read/Write
0
0