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Figure 10-40. BRGCn Setting (Asynchronous Serial Interface Mode)
After reset: 00H
7
BRGCn
MDLn7
(n = 0, 1)
MD
MD
Ln7
Ln6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
•
•
•
•
•
•
1
1
Cautions 1. Before starting operation, select a setting other than "Setting prohibited".
2. If write is performed to BRGCn during communication processing, the output of
Remark f
SCK
322
CHAPTER 10
SERIAL INTERFACE FUNCTION
R/W
Address: FFFFF304H, FFFFF314H
6
5
MDLn6
MDLn5
MD
MD
MD
MD
MD
Ln5
Ln4
Ln3
Ln2
Ln1
×
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
0
•
•
•
•
•
•
•
•
•
•
•
•
1
1
1
1
Selecting "Setting prohibited" setting in stop mode does not cause any problems.
the baud rate generator is disturbed and communication will not be performed
normally. Therefore, do not write to BRGCn during communication processing.
: Source clock of 8-bit counter
User's Manual U13850EJ4V0UM
4
3
MDLn4
MDLn3
MDLn2
MD
Input clock selection
Ln0
×
×
Setting prohibited
0
0
f
/8
SCK
0
1
f
/9
SCK
1
0
f
/10
SCK
1
1
f
/11
SCK
0
0
f
/12
SCK
0
1
f
/13
SCK
1
0
f
/14
SCK
1
1
f
/15
SCK
0
0
f
/16
SCK
•
•
•
•
•
•
1
1
f
/255
SCK
2
1
0
MDLn1
MDLn0
•
•
•
255
k
−
8
9
10
11
12
13
14
15
16
•
•
•
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