Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Hoja De Datos
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Los códigos de productos
ATSAM4L-XSTK
635
42023E–SAM–07/2013
ATSAM4L8/L4/L2
24.7.9
Baud Rate Generator Register
Name:
BRGR
Access Type:
Read-write
Offset:
0x20
Reset Value:
0x00000000
This register can only be written if write protection is disabled in the
(WPMR.WPEN is zero).
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baud rate 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[15:8]
7
6
5
4
3
2
1
0
CD[7:0]
Table 24-24. Baud Rate in Asynchronous Mode (MR.SYNC is 0)
CD
OVER = 0
OVER = 1
0
Baud Rate Clock Disabled
1 to 65535
Table 24-25. Baud Rate in Synchronous Mode (MR.SYNC is 1) and SPI Mode(MR.MODE is 0xE or 0xF)
CD
Baud Rate
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
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=