SAM7S256_14 Datasheet, PDF (402/775 Pages) ATMEL Corporation – ARM-based Flash MCU

31.7.9 USART Baud Rate Generator Register
Name:
US_BRGR
Access Type:
Read-write
31
30
29
28
27
26
–
–
–
–
–
–
23
22
21
20
19
18
–
–
–
–
–
15
14
13
12
11
10
CD
7
6
5
4
3
2
CD
• CD: Clock Divider
CD
0
1 to 65535
USART_MODE ≠ ISO7816
SYNC = 0
SYNC = 1
OVER = 0
OVER = 1
Baud Rate Clock Disabled
Baud Rate =
Baud Rate =
Selected Clock/16/CD Selected Clock/8/CD
Baud Rate =
Selected Clock /CD
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
Note: Fractional Part is not supported by SAM7S32 and SAM7S64.
25
24
–
–
17
16
FP
9
8
1
0
USART_MODE =
ISO7816
Baud Rate = Selected
Clock/CD/FI_DI_RATIO
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
402