Information

MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1
iv Freescale Semiconductor
Figures
Figure
Number Title
Page
Number
Chapter 3
Memory Map
3.1 Internal Memory-Mapped Registers................................................................................ 3-1
3.2 Accessing IMMR Memory from the Local Processor..................................................... 3-1
3.3 IMMR Address Map........................................................................................................ 3-1
Chapter 4
Reset, Clocking, and Initialization
4.1 External Signals ............................................................................................................... 4-1
4.1.1 Reset Signals................................................................................................................ 4-1
4.1.2 Clock Signals............................................................................................................... 4-2
4.2 Functional Description..................................................................................................... 4-3
4.2.1 Reset Operations.......................................................................................................... 4-3
4.2.2 Power-On Reset Flow.................................................................................................. 4-5
4.2.3 Hard Reset Flow .......................................................................................................... 4-6
4.3 Reset Configuration ......................................................................................................... 4-7
4.3.1 Reset Configuration Signals ........................................................................................ 4-7
4.3.2 Reset Configuration Words.......................................................................................... 4-9
4.3.3 Loading the Reset Configuration Words ................................................................... 4-16
4.4 Clocking ........................................................................................................................ 4-22
4.4.1 System Clock Domains.............................................................................................. 4-23
4.4.2 USB Clocking............................................................................................................ 4-24
4.4.3 Ethernet Clocking ...................................................................................................... 4-25
4.5 Memory Map/Register Definitions................................................................................ 4-25
4.5.1 Reset Configuration Register Descriptions................................................................ 4-25
4.5.2 Clock Configuration Registers................................................................................... 4-29
Chapter 5
System Configuration
5.1 Local Memory Map Overview and Example .................................................................. 5-1
5.1.1 Address Translation and Mapping............................................................................... 5-3
5.1.2 Window into Configuration Space............................................................................... 5-3
5.1.3 Local Access Windows................................................................................................ 5-4
5.1.4 Local Access Register Descriptions ............................................................................ 5-5
5.1.5 Precedence of Local Access Windows ...................................................................... 5-13
5.1.6 Configuring Local Access Windows ......................................................................... 5-13
5.1.7 Distinguishing Local Access Windows from Other Mapping Functions .................. 5-13
5.1.8 Outbound Address Translation and Mapping Windows............................................ 5-14