Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
35
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
9.3
Block Diagram
Figure 9-1. ARM926EJ-S Internal Functional Block Diagram
CP15 System
Configuration
Coprocessor
External
Coprocessor
Interface
Trace Port
Interface
ARM9EJ-S
Processor Core
DTCM
Interface
Data TLB
Instruction
TLB
ITCM
Interface
Data Cache
AHB Interface
and
Write Buffer
Instruction
Cache
Write Data
Read
Data
Instruction
Fetches
Data
Address
Instruction
Address
Data
Address
Instruction
Address
Instruction TCM
Data TCM
MMU
AMBA AHB
External Coprocessors
ETM9