Datasheet

256
32072H–AVR32–10/2012
AT32UC3A3
17.6.2 Mode Register
Name: MD
Access Type: Read/Write
Offset:0x004
Reset Value: 0x00000000
• CORRS4: Correction Enable
Writing a one to this bit will enable the correction to be done after the Partial Syndrome process and allow interrupt to be sent to
CPU.
Writing a zero to this bit will stop the correction after the Partial Syndrome process.
1: The correction will continue after the Partial Syndrome process.
0: The correction will stop after the Partial Syndrome process.
• FREEZE: Halt of Computation
Writing a one to this bit will stop the computation.
Writing a zero to this bit will allow the computation as soon as read/write command to the NAND Flash or the SmartMedia
™
is
detected.
1: The computation will stop until a zero is written to this bit.
0: The computation is allowed.
• TYPECORREC: Type of Correction
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
--------
15 14 13 12 11 10 9 8
-----CORRS4-FREEZE
76543210
- TYPECORREC - PAGESIZE
ECC code TYPECORREC Description
ECC-H
0b000 One bit correction per page
0b001 One bit correction per sector of 256 bytes
0b010 One bit correction per sector of 512 bytes
ECC-RS 0b100 Four bits correction per sector of 512 bytes
- Others Reserved