MPC8540 datasheet(261/1302 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]

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Processor Control Registers

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

Freescale Semiconductor

6-11

The bits of CR0 are interpreted as described in Table 6-5.

6.4.2

Link Register (LR)

6.4.3

Count Register (CTR)

6.5

Processor Control Registers

This section addresses machine state, processor ID, and processor version registers.

Table 6-5. CR0 Bit Descriptions

CR Bit

Name

Description

Negative (LT)

Bit 32 of the result is equal to 1.

Positive (GT)

Bit 32 of the result is equal to 0 and at least one bit from 33–63 of the result is

non-zero.

Zero (EQ)

Bits 32–63 of the result are equal to 0.

Summary overflow (SO) This is a copy of the final state of XER[SO] at the completion of the instruction.

Field

Link address

Reset

All zeros

R/W

SPR

SPR 8

Figure 6-4. Link Register (LR)

Field

Count value

Reset

All zeros

R/W

SPR

SPR 9

Figure 6-5. Count Register (CTR)

MPC8540 Datasheet(PDF) 261 Page - Freescale Semiconductor, Inc