SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 853

• Manufacturer Part Number: SAM3A4C
• Manufacturer: Atmel Corporation

35.8.9
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• CD: Clock Divider
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
1 to 65535
–
–
7
CD
USART Baud Rate Generator Register
0
US_BRGR
0x40098020 (0), 0x4009C020 (1), 0x400A0020 (2), 0x400A4020 (3)
Read-write
30
22
14
–
–
6
Baud Rate =
Selected Clock/(16*CD)
OVER = 0
29
21
13
–
–
5
SYNC = 0
USART_MODE
Baud Rate =
Selected Clock/(8*CD)
28
20
12
–
–
4
OVER = 1
CD
CD
Baud Rate Clock Disabled
“USART Write Protect Mode Register” on page
ISO7816
27
19
11
–
–
3
Baud Rate =
Selected Clock /CD
USART_MODE = SPI
(Master or Slave)
SYNC = 1
or
26
18
10
–
2
Baud Rate = Selected
Clock/(FI_DI_RATIO*CD)
FP
25
17
–
9
1
USART_MODE =
SAM3X/A
SAM3X/A
ISO7816
864.
24
16
–
8
0
853
853