SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 23

• Manufacturer Part Number: SAM9260
• Manufacturer: Atmel Corporation

Specifications of SAM9260

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 210 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: 7
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 312
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• 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
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Data Bus Width
1354D–ATARM–08/02
A data bus width of 8 or 16 bits can be selected for each chip select. This option is con-
trolled by the DBW field in the EBI_CSR (Chip Select Register) for the corresponding
chip select.
Figure 9 shows how to connect a 512K x 8-bit memory on NCS2.
Figure 9. Memory Connection for an 8-bit Data Bus
Figure 10 shows how to connect a 512K x 16-bit memory on NCS2.
Figure 10. Memory Connection for a 16-bit Data Bus
EBI
EBI
D8 - D15
A1 - A19
D0 - D7
D8 - D15
A1 - A18
D0 - D7
NCS2
NWE
NWR1
NWR0
NUB
NOE
NLB
NCS2
NRD
A0
D0 - D7
D8 - D15
A0 - A18
Low Byte Enable
High Byte Enable
Write Enable
Output Enable
Memory Enable
AT91X40 Series
D0 - D7
A1 - A18
A0
Write Enable
Output Enable
Memory Enable
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