SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 352

• 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 28-6. Read Operation
28.4.2.3
352
Remainder computation enable signal
Read NAND operation with SPAREEN set to Zero and AUTO set to One
512 or 1024 bytes
SAM9X25
MLC/SLC User Read ECC Area
Sector 0
When AUTO field is set to one the ECC is retrieved automatically, otherwise the ECC must be
read using user mode.
This mode allows a manual retrieve of the ECC.
This mode is entered writing one in the USER field of the PMECC_CTRL register.
Figure 28-7. User Read Mode
Sector 1
pagesize = n * sectorsize
Partial Syndrome computation enable signal
addr = 0
Sector 2
ecc_area_size
ecc_area
ECC
Sector 3
end_addr
start_addr
ecc_area
11054A–ATARM–27-Jul-11
sparesize
Spare
end_addr