Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Scheda Tecnica
Codici prodotto
AT91SAM9N12-EK
Introduction
1-4
Copyright © 2001-2003 ARM Limited. All rights reserved.
ARM DDI0198D
Figure 1-2 ARM926EJ-S interface diagram (part one)
Data
memory
interface
Instruction
memory interface
Debug
JTAG debug
Interrupts
Miscellaneous
configuration
Clock
Data
AHB
CLK
nFIQ
nIRQ
STANDBYWFI
VINITHI
CFGBIGEND
COMMRX
COMMTX
DBGACK
DBGEN
DBGRQI
EDBGRQ
TAPID[31:0]
DBGnTRST
DBGTCKEN
DBGTDI
DBGTMS
DBGTDO
DBGIR[3:0]
DBGSCREG[4:0]
DBGTAPSM[3:0]
DBGnTDOEN
DBGSDIN
DBGSDOUT
DRnRW
DRADDR[17:0]
DRWR[31:0]
DRIDLE
DRCS
DRWBL[3:0]
DRSEQ
DRRD[31:0]
DRWAIT
DRSIZE[3:0]
IRnRW
IRADDR[17:0]
IRWR[31:0]
IRIDLE
IRCS
IRWBL[3:0]
IRSEQ
IRRD[31:0]
IRWAIT
IRSIZE[3:0]
DHADDR[31:0]
DHBL[3:0]
DHBURST[2:0]
DHBUSREQ
DHCLKEN
DHGRANT
DHLOCK
DHPROT[3:0]
DHRDATA[31:0]
DHREADY
DHRESP[1:0]
DHSIZE[2:0]
DHTRANS[1:0]
DHWDATA[31:0]
DHWRITE
DBGEXT[1:0]
DBGINSTREXEC
DBGRNG[1:0]
DBGIEBRKPT
DBGDEWPT
ARM926EJ-S
BIGENDINIT
DRDMAADDR[17:0]
DRDMACS
IRDMAEN
IRDMAADDR[17:0]
IRDMACS
DRDMAEN