SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 350

• Manufacturer Part Number: SAM9X25
• Manufacturer: Atmel Corporation

Specifications of SAM9X25

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 105
• Ext Interrupts: 105
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 3
• Uart: 7
• Can: 2
• Lin: 4
• Ssc: 1
• Ethernet: 2
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: DDR/LPDDR, SDRAM/LPSDR
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 28-3. NAND Write Operation with Spare Encoding
28.4.1.2
Figure 28-4. NAND Write Operation
350
ECC computation enable signal
Write NAND operation with SPAREEN set to one
512 or 1024 bytes
SAM9X25
ECC computation enable signal
Write NAND operation with SPAREEN set to zero
MLC/SLC Write Operation with Spare Area Disabled
512 or 1024 bytes
Sector 0
Sector 0
When the SPAREEN field of PMECC_CFG is set to zero the spare area is not encoded with the
stream of data. This mode is entered by writing one to the DATA field of the PMECC_CTRL
register.
Sector 1
Sector 1
pagesize = n * sectorsize
pagesize = n * sectorsize
Sector 2
Sector 2
Sector 3
Sector 3
start_addr
ecc_area
11054A–ATARM–27-Jul-11
sparesize
Spare
end_addr