1 ecc control register, 2 ecc mode register – Rainbow Electronics AT91CAP9S250A User Manual
Page 273
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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
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
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
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
PAGESIZE
Page Size
Description
00
528 words
01
1056 words
10
2112 words
11
4224 words
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