
viii
MPC8260 PowerQUICC II User’s Manual
MOTOROLA
CONTENTS
Paragraph
Number
Title
Page
Number
4.3.2.2
4.3.2.3
4.3.2.4
4.3.2.5
4.3.2.6
4.3.2.7
4.3.2.8
4.3.2.9
4.3.2.10
4.3.2.11
4.3.2.12
4.3.2.13
4.3.2.14
4.3.2.15
4.3.2.16
4.3.3
4.3.3.1
4.3.3.2
4.3.3.3
4.4
60x Bus Arbiter Configuration Register (PPC_ACR) ...............................4-28
60x Bus Arbitration-Level Registers (PPC_ALRH/PPC_ALRL) .............4-28
Local Bus Arbiter Configuration Register (LCL_ACR)............................4-29
Local Bus Arbitration Level Registers (LCL_ALRH and LCL_ACRL)...4-30
SIU Module Configuration Register (SIUMCR) .......................................4-31
Internal Memory Map Register (IMMR) ...................................................4-34
System Protection Control Register (SYPCR)...........................................4-35
Software Service Register (SWSR)............................................................4-36
60x Bus Transfer Error Status and Control Register 1 (TESCR1).............4-36
60x Bus Transfer Error Status and Control Register 2 (TESCR2).............4-37
Local Bus Transfer Error Status and Control Register 1 (L_TESCR1).....4-38
Local Bus Transfer Error Status and Control Register 2 (L_TESCR2).....4-39
Time Counter Status and Control Register (TMCNTSC)..........................4-40
Time Counter Register (TMCNT)..............................................................4-41
Time Counter Alarm Register (TMCNTAL).............................................4-41
Periodic Interrupt Registers............................................................................4-42
Periodic Interrupt Status and Control Register (PISCR)............................4-42
Periodic Interrupt Timer Count Register (PITC) .......................................4-43
Periodic Interrupt Timer Register (PITR)..................................................4-44
SIU Pin Multiplexing..........................................................................................4-44
Chapter 5
Reset
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.2
5.3
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
5.4.2.3
5.4.2.4
Reset Causes.........................................................................................................5-1
Reset Actions....................................................................................................5-2
Power-On Reset Flow.......................................................................................5-2
HRESET
Flow .................................................................................................5-3
SRESET
Flow...................................................................................................5-3
Reset Status Register (RSR).................................................................................5-4
Reset Mode Register (RMR)................................................................................5-5
Reset Configuration..............................................................................................5-6
Hard Reset Configuration Word.......................................................................5-8
Hard Reset Configuration Examples................................................................5-9
Single MPC8260 with Default Configuration..............................................5-9
Single MPC8260 Configured from Boot EPROM.....................................5-10
Multiple MPC8260s Configured from Boot EPROM................................5-10
Multiple MPC8260s in a System with No EPROM...................................5-12
Chapter 6