MPC8540(2004) View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MPC8540
(Rev.:2004)

PowerQUICC III™ Integrated Host Processor Reference Manual

Freescale Semiconductor 

Contents

Paragraph

Number

Title

Page

Number

2.3.6

2.4

Device-Specific Utilities............................................................................................ 2-15

Complete CCSR Map .................................................................................................... 2-16

Chapter 3

Signal Descriptions

3.1

Signals Overview ............................................................................................................. 3-1

3.2

Configuration Signals Sampled at Reset ....................................................................... 3-15

3.3

Output Signal States During Reset ................................................................................ 3-16

4.1

4.2

4.2.1

4.2.2

4.3

4.3.1

4.3.1.1

4.3.1.1.1

4.3.1.1.2

4.3.1.2

4.3.1.2.1

4.3.1.2.2

4.3.1.3

4.3.1.3.1

4.3.2

4.4

4.4.1

4.4.1.1

4.4.1.2

4.4.2

4.4.3

4.4.3.1

4.4.3.2

4.4.3.3

4.4.3.4

4.4.3.5

Chapter 4

Reset, Clocking, and Initialization

Overview.......................................................................................................................... 4-1

External Signal Descriptions ........................................................................................... 4-1

System Control Signals................................................................................................ 4-2

Clock Signals ............................................................................................................... 4-3

Memory Map/Register Definition ................................................................................... 4-3

Local Configuration Control........................................................................................ 4-3

Accessing Configuration, Control, and Status Registers......................................... 4-4

Updating CCSRBAR ........................................................................................... 4-4

Configuration, Control, and Status Base Address Register

(CCSRBAR) .................................................................................................... 4-5

Accessing Alternate Configuration Space ............................................................... 4-5

Alternate Configuration Base Address Register (ALTCBAR)............................ 4-6

Alternate Configuration Attribute Register (ALTCAR)...................................... 4-6

Boot Page Translation.............................................................................................. 4-7

Boot Page Translation Register (BPTR).............................................................. 4-8

Boot Sequencer ............................................................................................................ 4-8

Functional Description..................................................................................................... 4-8

Reset Operations .......................................................................................................... 4-8

Soft Reset................................................................................................................. 4-9

Hard Reset ............................................................................................................... 4-9

Power-On Reset Sequence........................................................................................... 4-9

Power-On Reset Configuration.................................................................................. 4-11

System PLL Ratio.................................................................................................. 4-12

e500 Core PLL Ratio ............................................................................................. 4-13

Boot ROM Location .............................................................................................. 4-14

Host/Agent Configuration ..................................................................................... 4-14

CPU Boot Configuration ....................................................................................... 4-15

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

Freescale Semiconductor

vii

Share Link: