1.2
Microprocessor block diagram
AHB Peripherals
AHB
Bus Interface Unit
and write buffer
System
controller
ARM DDI 0186A
The ARM966E-S block diagram is shown in Figure 1-1.
Instruction
Dout
SRAM
Addr
Din
IA
ARM9E-S
INSTR
Copyright © 2000 ARM Limited. All rights reserved.
DMA Controller
DMA
interface
Data
Dout
System control
SRAM
Addr
Din
DA
WDATA
RDATA
Figure 1-1 ARM966E-S block diagram
Introduction
Coprocessors
External
coprocessor
coprocessor
(CP15)
interface
ETM
interface
ETM
1-3