Datasheet

640
32117D–AVR-01/12
AT32UC3C
25.7.9 Baud Rate Generator Register
Name: BRGR
Access Type: Read-write
Offset: 0x20
Reset Value: 0x00000000
This register can only be written if the WPEN bit is cleared in the Write Protect Mode Register.
•
FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
• CD: Clock Divider
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
Table 25-23.
CD
MODE
≠ ISO7816
MODE = ISO7816
SYNC = 0
SYNC = 1
or
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