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