3 mci data timeout register – Rainbow Electronics AT91CAP9S250A User Manual

Page 777

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6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

41.10.3

MCI Data Timeout Register

Name: MCI_DTOR

Access Type: Read/write

• DTOCYC: Data Timeout Cycle Number

• DTOMUL: Data Timeout Multiplier

These fields determine the maximum number of Master Clock cycles that the MCI waits between two data block transfers.
It equals (DTOCYC x Multiplier).

Multiplier is defined by DTOMUL as shown in the following table:

If the data time-out set by DTOCYC and DTOMUL has been exceeded, the Data Time-out Error flag (DTOE) in the MCI
Status Register (MCI_SR) raises.

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

DTOMUL

DTOCYC

DTOMUL

Multiplier

0

0

0

1

0

0

1

16

0

1

0

128

0

1

1

256

1

0

0

1024

1

0

1

4096

1

1

0

65536

1

1

1

1048576

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