MPC8540 datasheet(264/1302 Pages) FREESCALE

Il numero della parte	MPC8540

Spiegazioni elettronici	MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual

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Produttore elettronici	FREESCALE [Freescale Semiconductor, Inc]

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

6-14

Freescale Semiconductor

Core Register Summary

6.5.2

Processor ID Register (PIR)

6.5.3

Processor Version Register (PVR)

6.5.4

System Version Register (SVR)

Field

Processor ID

Reset

All zeros

R/W

Read only

SPR

SPR 286

Figure 6-7. Processor ID Register (PIR)

47 48

Field

Version

Revision

Reset

0x8020_nnnn

R/W

Read only

SPR

SPR 287

Figure 6-8. Processor Version Register (PVR)

Table 6-7. PVR Field Descriptions

Bits

Name

Description

32–47

Version

A 16-bit number that identifies the version of the processor. Different version numbers indicate

major differences between processors, such as which optional facilities and instructions are

supported.

48–63 Revision A 16-bit number that distinguishes between implementations of the version. Different revision

numbers indicate minor differences between processors having the same version number, such as

clock rate and engineering change level.

Field

System version

Reset

SoC-dependent value: 0x8030_nnnn

R/W

Read only

SPR

SPR 1023

Figure 6-9. System Version Register (SVR)

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