Atmel SAM4SD32B Preliminary Data Sheet page 798

34.8.18 USART FI DI RATIO Register
Name: US_FIDI
Address: 0x40024040 (0), 0x40028040 (1)
Access: Read-write
Reset Value: 0x174
31 30
– –
23 22
– –
15 14
– –
7 6
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.
SAM4S Series [Preliminary]
798
29 28
– –
21 20
– –
13 12
– –
5 4
FI_DI_RATIO
"USART Write Protect Mode Register" on page
27 26
– –
19 18
– –
11 10
–
3 2
25 24
– –
17 16
– –
9 8
FI_DI_RATIO
1 0
803.
11100B–ATARM–31-Jul-12