SAM9XE256 Atmel Corporation, SAM9XE256 Datasheet - Page 171

• Manufacturer Part Number: SAM9XE256
• Manufacturer: Atmel Corporation

Specifications of SAM9XE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 180 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): 2
• Uart: 6
• 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): 32
• 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): 1.65 to 1.95
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

22.3
Table 22-1.
6254C–ATARM–22-Jan-10
Name
EBI_D0 - EBI_D31
EBI_A0 - EBI_A25
EBI_NWAIT
EBI_NCS0 - EBI_NCS7
EBI_NWR0 - EBI_NWR3
EBI_NOE
EBI_NRD
EBI_NWE
EBI_NBS0 - EBI_NBS3
EBI_CFCE1 - EBI_CFCE2
EBI_CFOE
EBI_CFWE
EBI_CFIOR
EBI_CFIOW
EBI_CFRNW
EBI_CFCS0 - EBI_CFCS1
EBI_NANDCS
EBI_NANDOE
EBI_NANDWE
EBI_SDCK
EBI_SDCKE
EBI_SDCS
EBI_BA0 - EBI_BA1
EBI_SDWE
EBI_RAS - EBI_CAS
EBI_NWR0 - EBI_NWR3
EBI_NBS0 - EBI_NBS3
EBI_SDA10
I/O Lines Description
EBI I/O Lines Description
Chip Select Lines
Read Signal
CompactFlash Output Enable
CompactFlash I/O Read Signal
CompactFlash I/O Write Signal
CompactFlash Read Not Write Signal
NAND Flash Chip Select Line
NAND Flash Output Enable
NAND Flash Write Enable
SDRAM Clock
SDRAM Clock Enable
SDRAM Controller Chip Select Line
Bank Select
SDRAM Write Enable
SDRAM Address 10 Line
Function
Data Bus
Address Bus
External Wait Signal
Write Signals
Output Enable
Write Enable
Byte Mask Signals
CompactFlash Chip Enable
CompactFlash Write Enable
CompactFlash Chip Select Lines
Row and Column Signal
Write Signals
Byte Mask Signals
EBI for CompactFlash Support
EBI for NAND Flash Support
AT91SAM9XE128/256/512 Preliminary
SDRAM Controller
SMC
EBI
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
Active Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
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