Datasheet

SAM9G45 [Summary]

6438IS–ATARM–12-Feb-13

z SDRAM Power-up Initialization by Software

z CAS Latency of 2, 3 Supported

z Auto Precharge Command Not Used

z SDR-SDRAM with 16-bit Datapath and Eight Columns Not Supported

z Clock Frequency Change in Precharge Power-down Mode Not Supported

7.3.2.3 NAND Flash Error Corrected Code Controller

z Tracking the accesses to a NAND Flash device by triggering on the corresponding chip select

z Single bit error correction and 2-bit Random detection.

z Automatic Hamming Code Calculation while writing

z ECC value available in a register

z Automatic Hamming Code Calculation while reading

z Error Report, including error flag, correctable error flag and word address being detected erroneous

z Support 8- or 16-bit NAND Flash devices with 512-, 1024-, 2048- or 4096-bytes pages