User manual

3. Overview of Technical Characteristics
3.1. CPU
Atmel AT91SAM9261 Embedded Processor featuring an ARM926EJ-S™ ARM
®
Thumb
®
Core
- CPU clock 200+ MHz
- 16kB Instruction Cache
- 16kB Data Cache
- Memory Management Unit (MMU)
- 3.3V Supply Voltage, 1.2V Core Voltage
3.2. Memory
- 16 or 64 MB flash memory (optional 128 MB)
- 32MB or 64MB SDRAM
- 128 KB serial Dataflash
- 160 KB Fast SRAM
- 256 Bytes EEPROM
3.3. Interfaces and externals signals
- 2x 100-pin fine-pitch low-profile Connectors (Hirose FX8)
- Ethernet 10/100 Mbit MAC
- Dual USB 2.0 Full Speed (12 MBit/s) Hosts
- USB 2.0 Full Speed (12 MBit/s) Device
- 3 USARTs
- 1 UART
- 1 Synchronous Serial Controller (SSC, I²S)
- 2 Serial Peripheral Interfaces (SPI)
- 1 Two Wire Interface (TWI, I²C)
- 1 MultiMedia Card Interface
- JTAG debug port
- Digital Ports – up to 39 available
- Control Signals: IRQs, BMS, SHDN, WKUP
- 4 Programmable Clocks
- LCD/TFT-Controller up to 2048x2048 pixel, 24 Bit color depth
- 32-Bit parallel CPU-Bus
Some of the various functions are realized by multiplexing connector pins; therefore not all functions
may be used at the same time (see table in chapter 11).
3.4. Miscellaneous
- Three 16-Bit Timer/Counter
- Real Time Timer (RTT), with battery backup support
- Periodic Interval Timer (PIT)
- Watchdog Timer (WDT)
- Unique Hardware Serial Number
- extended temperature range, -25°C ... +70°C
3.5. Power Supply
- 3.3V power supply
- 3V backup power supply, e.g. from a lithium battery
3.6. Dimensions
- Dimensions: 53x38x4 mm (WxDxH)
- 7 -