User Manual

2-2 EP7309/11/12 User’s Manual - DS508UM4
Copyright Cirrus Logic, Inc. 2003
CPU Core
2
Block Diagram
Detailed bl ock diagram of th e core is shown below.
Programming Examples
;*****************************************************************************
; Set up the MMU. Start by flushing the cache and TLB.
;*****************************************************************************
;
ldr r0, =0x00000000
mcr p15, 0, r0, c5, c0 ; co-processor register c5
mcr p15, 0, r0, c7, c0 ; co-processor register c7
;
;*****************************************************************************
; Set user mode acc ess for all 16 domai ns.
;*****************************************************************************
Figure 2-1. ARM720T Block Diagram
MMU 8KbyteCache
ARM7TDMI
CPU
AMBA
Inte rface
System
Control
Coprocessor
Write Buffer
AMBA
address
AMBA
data
In tern al D a ta B us
Virtual Address Bus
Co processor
Interface
JTA G
Debug
Inte rface