MPC8280 datasheet(387/1386 Pages) FREESCALE

No. de pieza	MPC8280

Descripción Electrónicos	PowerQUICC??II Family Reference Manual

PDF	1386 Pages

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

Página de inicio	http://www.freescale.com

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387 / 1386 page

PCI Bridge

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

9-79

Figure 9-73. Inbound FIFO Queue Port Register (IFQPR)

9.12.3.4.2

Outbound FIFO Queue Port Register (OFQPR)

OFQPR is used by PCI masters to access outbound messages in local memory. Local processor does not

have access to this port. OFQPR should be accessed only from the PCI bus. OFQPR is described in

Figure 9-74 and Table 9-59.

Figure 9-74. Outbound FIFO Queue Port Register (OFQPR)

Field

IFQP

Reset

0000_0000_0000_0000

R/W

Addr

0x10442

Field

IFQP

Reset

0000_0000_0000_0000

R/W

Addr

0x10440

Table 9-58. IFQPR Field Descriptions

Bits

Name

Description

31–0

IFQP

Inbound FIFO queue port. Reading this register will return the MFA from inbound free

list FIFO. Writing to this register will post the MFA to the inbound post list FIFO.

Field

OFQP

Reset

0000_0000_0000_0000

R/W

Addr

0x10446

Field

OFQP

Reset

0000_0000_0000_0000

R/W

Addr

0x10444

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