MPC8280 datasheet(365/1386 Pages) FREESCALE

tên linh kiện	MPC8280

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PCI Bridge

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

9-57

9.11.2.18 PCI Bus Interrupt Line Register

Figure 9-50 and Table 9-37 describes the PCI bus interrupt line register.

Figure 9-50. PCI Bus Interrupt Line Register

9.11.2.19 PCI Bus Interrupt Pin Register

Figure 9-51 and Table 9-38 describe the PCI bus interrupt pin register.

Figure 9-51. PCI Bus Interrupt Pin Register

Field

Reset

0000_0000

R/W

Addr

0x3C

Table 9-37. PCI Bus Interrupt Line Register Description

Bits

Name

Description

7–0

Interrupt line

Contains the interrupt routing information. Software can use this register to hold

information regarding which input of the system interrupt controller the INTA

signal is attached to. Values in this register are specific to the system

architecture.

Field

Reset

0000_0001

R/W

Addr

0x3D

Table 9-38. PCI Bus Interrupt Pin Register Description

Bits

Name

Description

7–0

Interrupt Pin

Indicates which interrupt pin the device (or function) uses (0x01 = INTA).

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