Manual

273
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
25.4.1 ECC Control Register
Name: ECC_CR
Access Type: Write-only
RST: RESET Parity
Provides reset to current ECC by software.
1 = Resets ECC Parity and ECC NParity register.
0 = No effect.
25.4.2 ECC Mode Register
Register Name: ECC_MR
Access Type: Read/Write
PAGESIZE: Page Size
This field defines the page size of the NAND Flash device.
A word has a value of 8 bits or 16 bits, depending on the NAND Flash or SmartMedia memory organization.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
––––––––
76543210
–––––––RST
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
––––––––
76543210
–––––– PAGESIZE
Page Size Description
00 528 words
01 1056 words
10 2112 words
11 4224 words