MPC8540 datasheet(857/1302 Pages) FREESCALE

Part #	MPC8540

Description	MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual

PDF	1302 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Memory Map/Register Definitions

MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1

Freescale Semiconductor

16-35

Figure 16-22. PCI/X Error Data High Capture Register (ERR_DH)

16.3.1.4.9 PCI/X Gasket Timer Register (GAS_TIMR)

Figure 16-23. PCI/X Gasket Timer Register (GAS_TIMR)

Data high

Reset

0000_0000_0000_0000_0000_0000_0000_0000

Offset

0x0_8E1C

Table 16-22. ERR_DH Field Description

Bits

Name

Description

0–31

Data high

Most significant PCI bus data word (only valid with 64-bit PCI bus)

R 0000000

TCNT

Reset

0000_0001_0000_0000_0011_1111_1111_1111 (PCI mode)

0000_0000_0000_0000_0011_1111_1111_1111 (PCI-X mode)

Offset

0x0_8E20

Table 16-23. GAS_TIMR Field Descriptions

Bits

Name

Description

0–6

—

Reserved

Gasket timer enable.

0 PCI-X default: Gasket timer is disabled.

1 PCI default: Gasket timer is enabled.

8–31

TCNT

Number of system clocks to purge a non-prefetchable inbound read buffer

MPC8540 Datasheet(PDF) 857 Page - Freescale Semiconductor, Inc