AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 80
AT91M40400-25C
Manufacturer Part Number
AT91M40400-25C
Description
16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
Manufacturer
ATMEL Corporation
Datasheet
1.AT91M40400-25C.pdf
(116 pages)
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USART Baud Rate Generator Register
Name:
Access Type:
•
2 to 65535
CD: Clock Divisor
This register has no effect if Synchronous Mode is selected with an external clock.
Note: In Synchronous Mode, the value programmed must be even to ensure a 50:50 mark:space ratio.
Note: Clock divisor bypass (CD = 1) must not be used when internal clock MCKI is selected (USCLKS = 0).
80
CD
0
1
31
23
15
---
---
7
Disables Clock
Clock Divisor bypass
Baud Rate (Asynchronous Mode) = Selected clock / (16 x CD)
Baud Rate (Synchronous Mode) = Selected clock / CD
AT91M40400
30
22
14
US_BRGR
Read/Write
---
---
6
29
21
13
---
---
5
28
20
12
---
---
4
CD
CD
27
19
11
---
---
3
26
18
10
---
---
2
25
17
---
---
9
1
24
16
---
---
8
0
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