SAM9XE256 Atmel Corporation, SAM9XE256 Datasheet - Page 8

• 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

Table 3-1.
8
Signal Name
CFCE1 - CFCE2 CompactFlash Chip Enable
CFOE
CFWE
CFIOR
CFIOW
CFRNW
CFCS0 - CFCS1 CompactFlash Chip Select Lines
NANDCS
NANDOE
NANDWE
SDCK
SDCKE
SDCS
BA0 - BA1
SDWE
RAS - CAS
SDA10
MCCK
MCCDA
MCDA0 -
MCDA3
MCCDB
MCDB0 -
MCDB3
SCKx
TXDx
RXDx
RTSx
CTSx
DTR0
DSR0
DCD0
RI0
AT91SAM9XE128/256/512 Preliminary
Signal Description List (Continued)
Function
CompactFlash Output Enable
CompactFlash Write Enable
CompactFlash IO Read
CompactFlash IO Write
CompactFlash Read Not Write
NAND Flash Chip Select
NAND Flash Output Enable
NAND Flash Write Enable
SDRAM Clock
SDRAM Clock Enable
SDRAM Controller Chip Select
Bank Select
SDRAM Write Enable
Row and Column Signal
SDRAM Address 10 Line
Multimedia Card Clock
Multimedia Card Slot A Command
Multimedia Card Slot A Data
Multimedia Card Slot B Command
Multimedia Card Slot B Data
USARTx Serial Clock
USARTx Transmit Data
USARTx Receive Data
USARTx Request To Send
USARTx Clear To Send
USART0 Data Terminal Ready
USART0 Data Set Ready
USART0 Data Carrier Detect
USART0 Ring Indicator
Universal Synchronous Asynchronous Receiver Transmitter USARTx
Multimedia Card Interface MCI
CompactFlash Support
NAND Flash Support
SDRAM Controller
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Reference
VDDIOP0
VDDIOP0
VDDIOP0
VDDIOP0
VDDIOP0
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
VDDIOM
Voltage
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
Comments
6254C–ATARM–22-Jan-10