Specifications

18 Altera Corporation
EPXA10 Development Board Hardware Reference Manual
In addition, the EPXA10 device provides a variety of on- and off-chip
peripherals, as listed in Table 7.
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For more information about the EPXA10 or other ARM-based embedded
processor devices, see the ARM-Based Embedded Processor PLDs Hardware
Reference Manual
Memory Interfaces
The EPXA10 development board provides on-board memory of the
following types and capacities, as listed in Table 8.
Four flash memory chips are connected to the EBI of the EPXA10
development board, to maximize the amount of storage available for the
software application. Figure 4 shows this arrangement diagrammatically.
Table 7. EPXA10 On- and Off-Chip Peripherals
Peripheral Description
ARM922T 32-bit RISC processor For speed grade –1: up to 200 MHz
For speed grade –2: up to 166 MHz
ETM9 trace module Used for software debugging
Interrupt controller Used for the interrupt system
Internal single-port SRAM 256 Kbytes
Internal dual-port SRAM 128 Kbytes
SDRAM controller Interfaces between the internal system bus and SDRAM
External SDRAM Up to 512 Mbytes, 75 MHz
EBI Interfaces to 16 Mbyte flash memory
External flash memory Up to 32 Mbytes
Watchdog timer Protects the system against software failure
Table 8. Development Board Memory Characteristics
Type Address
Lines
Data
Lines
Control
Lines
Memory
Organization
Size
SDR SDRAM 15 32 16 DIMM Up to 512 Mbytes
Flash 25 16 6 4 × 4 Mbytes 16 Mbyte