Datasheet

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
76543210
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