AT90PWM2B-16SE ATMEL [ATMEL Corporation], AT90PWM2B-16SE Datasheet - Page 225
AT90PWM2B-16SE
Manufacturer Part Number
AT90PWM2B-16SE
Description
8-bit Microcontroller with 8K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT90PWM2B-16SE.pdf
(361 pages)
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19.6.6
4317J–AVR–08/10
Manchester receiver Baud Rate Registers – MUBRRL and MUBRRH
• Bit 15:0 – MUBRR15:0: Manchester Receiver Baud Rate Register
This is a 16-bit register which contains the maximum value for the Machester receiver counter.
The MUBRRH contains the eight most significant bits, and the MUBRRL contains the eight least
significant bits. Ongoing transmissions by the Receiver will be corrupted if the baud rate is
changed.
Table 19-5.
Bit
Read/Write
Initial Value
Baud
Rate
(bps)
1200
2400
4800
9600
Examples of MUBRR Settings for Commonly Frequencies
f
clk
MHz
833
417
208
104
R/W
R/W
15
1
7
0
0
io
=
R/W
R/W
MUBRR[H:L]=F
14
6
0
0
f
1.8432
clk
1536
MHz
768
384
192
io
=
R/W
R/W
13
5
0
0
f
2.0000
clk
1667
MHz
833
417
208
CLKIO
io
R/W
R/W
=
12
MUBRR[15:8]
4
0
0
MUBRR[7:0]
/ (baud rate frequency)
f
4.0000
clk
3333
1667
MHz
833
417
R/W
R/W
11
3
0
0
io
=
AT90PWM2/3/2B/3B
R/W
R/W
10
2
0
0
f
8.0000
clk
6667
3333
1667
MHz
833
io
=
R/W
R/W
9
1
0
0
11.0592
f
clk
9216
4608
2304
1152
MHz
io
R/W
R/W
=
8
0
0
0
f
16.000
MUBRRH
13333
MUBRRL
clk
6667
3333
1667
MHz
io
=
225
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