Rainbow Electronics AT91CAP9S250A - Manual (Page 572)

572
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
35.7.9 USART Baud Rate Generator Register
Name: US_BRGR
Access Type: 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
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