Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK データシート
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製品コード
AT91SAM9N12-EK
832
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
40.8.22 USART FI DI RATIO Register
Name:
US_FIDI
Addresses:
0xF801C040 (0), 0xF8020040 (1), 0xF8024040 (2), 0xF8028040 (3)
Access:
Read-write
Reset:
0x174
This register can only be written if the WPEN bit is cleared in
• 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.
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