upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 291
upd70f3017ay
Manufacturer Part Number
upd70f3017ay
Description
V850/sa1tm 32-/16-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3017AY.pdf
(492 pages)
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(3) Baud rate generator control registers 0, 1 (BRGC0, BRGC1)
Cautions 1. The value of BRGCn becomes 00H after reset. Before starting operation, select a setting
Remark
(n = 0, 1)
After reset: 00H
These registers set the serial clock for UARTn.
BRGCn can be set by an 8-bit memory manipulation instruction.
RESET input sets these registers to 00H.
BRGCn
2. If write is performed to BRGCn during communication processing, the output of the baud
f
SCK
MD
Ln7
: Source clock of 8-bit counter
0
0
0
0
0
0
0
0
0
0
1
other than “Setting prohibited”. Selecting the “Setting prohibited” setting in stop mode
does not cause any problems.
rate generator will be disturbed and communication will not be performed normally.
Therefore, do not write to BRGCn during communication processing.
•
•
•
MDLn7
7
MD
Ln6
0
0
0
0
0
0
0
0
0
0
1
•
•
•
R/W
MD
Ln5
0
0
0
0
0
0
0
0
0
0
1
•
•
•
MDLn6
6
CHAPTER 10
Ln4
MD
0
0
0
0
0
0
0
0
0
1
1
•
•
•
Ln3
MD
0
1
1
1
1
1
1
1
1
0
1
•
•
•
MDLn5
User’s Manual U12768EJ4V1UD
Address: FFFFF304H, FFFFF314H
5
Ln2
MD
×
0
0
0
0
1
1
1
1
0
1
•
•
•
SERIAL INTERFACE FUNCTION
Ln1
MD
×
0
0
1
1
0
0
1
1
0
1
•
•
•
MDLn4
4
Ln0
MD
×
0
1
0
1
0
1
0
1
0
1
•
•
•
Setting prohibited
f
f
f
f
f
f
f
f
f
f
SCK
SCK
SCK
SCK
SCK
SCK
SCK
SCK
SCK
SCK
MDLn3
/8
/9
/10
/11
/12
/13
/14
/15
/16
/255
3
Selection of Input Clock
MDLn2
2
•
•
•
MDLn1
1
MDLn0
0
255
10
11
12
13
14
15
16
−
8
9
k
•
•
•
291
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