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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

See also other documents in the category Rainbow Electronics Sensors: