Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Hoja De Datos
Los códigos de productos
AT91SAM9M10-G45-EK
540
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
31.8.9
USART Baud Rate Generator Register
Name:
US_BRGR
Addresses:
0xFFF8C020 (0), 0xFFF90020 (1), 0xFFF94020 (2), 0xFFF98020 (3)
Access:
Read-write
• CD: Clock Divider
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
FP
15
14
13
12
11
10
9
8
CD
7
6
5
4
3
2
1
0
CD
CD
USART_MODE
≠
ISO7816
USART_MODE =
ISO7816
SYNC = 0
SYNC = 1
or
USART_MODE = SPI
(Master or Slave)
OVER = 0
OVER = 1
0
Baud Rate Clock Disabled
1 to 65535
Baud Rate =
Selected Clock/16/CD
Baud Rate =
Selected Clock/8/CD
Baud Rate =
Selected Clock /CD
Baud Rate = Selected
Clock/CD/FI_DI_RATIO
Clock/CD/FI_DI_RATIO