Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Scheda Tecnica
Codici prodotto
AT91SAM9N12-EK
Introduction
ARM DDI0198D
Copyright © 2001-2003 ARM Limited. All rights reserved.
1-3
Figure 1-1 ARM926EJ-S block diagram
Figure 1-2 on page 1-4 and Figure 1-3 on page 1-5 show the ARM926EJ-S interfaces.
ARM9EJ-S
FCSE
WDATA
RDATA
INSTR
DROUTE
IROUTE
DCACHE
DEXT
Write buffer
Bus
interface
unit
TCM
interface
DRDATA
IRDATA
DRWDATA
ITCM
DTCM
Writeback
write buffer
PA
TAGRAM
Cache
DMVA
IMVA
Coprocessor
interface
CPDIN
CPDOUT
CPINSTR
External
coprocessor
interface
ETM
interface
MMU
DA
IA
TLB
AHB
Instruction
AHB
interface
AHB
Data
AHB
interface
ICACHE
IEXT