EPXA1 ALTERA [Altera Corporation], EPXA1 Datasheet - Page 5

• Manufacturer Part Number: EPXA1
• Description: Excalibur Device Overview
• Manufacturer: ALTERA [Altera Corporation]

Figure 2. Excalibur System Architecture
Altera Corporation
Embedded Processor Stripe
PLD
ARM922T
+ Cache
+ MMU
Slave
AHB
Port
PLD Clock Domain(s)
AHB1-2
Bridge
Master(s)
Master(s)
Master
Slave
Slave
PLD
PLD
Master
Slave
Bridge
Stripe
PLD-
To-
AHB1
Dual-Port or Single-Port RAMs
Port A
User Modules Requiring
Direct Access to Large
SRAM 0
SRAM 0
Dual-
Port
Port
AHB2 Clock Domain
External
Interface
Ports
Controller
Interrupt
Port B
Used for dual-port SRAM with dedicated
PLD access (no access to AHB1 and
AHB2)
SRAM 0
Watchdog
Single-
Port
Timer
Processor Clock Domain (AHB1)
Configu-
Master
ration
Logic
Stripe Interface
Controller
SDRAM
SDRAM
PLL
Module
Reset
Flash
AHB2
User's Slave Modules in the PLD
Timer
ROM
EBI
SDRAM Clock Domain
Excalibur Device Overview
SRAM
Stripe-
Bridge
PLD
To-
UART
Master
Master
Slave
Bus Control
Master
AHB
Port
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