SAM9261 Atmel Corporation, SAM9261 Datasheet - Page 21

• Manufacturer Part Number: SAM9261
• Manufacturer: Atmel Corporation

Specifications of SAM9261

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 4
• Ssc: 3
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 160
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.08 to 1.32
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

8.1.3
8.2
6062LS–ATARM–23-Mar-09
External Memories
ETM
™
Memories
The eight ETM9 Medium+ memory map decoder inputs are connected to custom address
decoders and the resulting memory mapping is summarized in
Table 8-6.
The external memories are accessed through the External Bus Interface (Bus Matrix Slave 3).
Refer to the memory map in
Product Resource
SRAM
SRAM
ROM
ROM
External Bus Interface
External Bus Interface
User Peripherals
System Peripherals
ETM9 Memory Mapping
Area
Internal
Internal
Internal
Internal
External
External
Internal
Internal
Figure 8-1 on page
Access Type
Data
Fetch
Data
Fetch
Data
Fetch
Data
Data
16.
0x0000 0000
Start Address
0x0000 0000
0x0040 0000
0x0040 0000
0x1000 0000
0x1000 0000
0xF000 0000
0xFFFF C000
Table
AT91SAM9261
8-6.
0x002F FFFF
0x002F FFFF
0x004F FFFF
0x004F FFFF
End Address
0x8FFF FFFF
0x8FFF FFFF
0xFFFF BFFF
0xFFFF FFFF
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