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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