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12 usart fi di ratio register, 13 usart number of errors register – Rainbow Electronics AT91CAP9S250A User Manual

Page 575

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575

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

35.7.12

USART FI DI RATIO Register

Name:

US_FIDI

Access Type:

Read/Write

Reset Value :

0x174

• FI_DI_RATIO: FI Over DI Ratio Value

0: If ISO7816 mode is selected, the Baud Rate Generator generates no signal.

1 - 2047: If ISO7816 mode is selected, the Baud Rate is the clock provided on SCK divided by FI_DI_RATIO.

35.7.13

USART Number of Errors Register

Name:

US_NER

Access Type:

Read-only

• NB_ERRORS: Number of Errors

Total number of errors that occurred during an ISO7816 transfer. This register automatically clears when read.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

FI_DI_RATIO

7

6

5

4

3

2

1

0

FI_DI_RATIO

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

NB_ERRORS

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