MB95630H Series
214
FUJITSU SEMICONDUCTOR LIMITED
MN702-00009-1v0-E
CHAPTER 14 LIN-UART
14.5 LIN-UART Baud Rate
Figure 14.5-1 LIN-UART Baud Rate Selection Circuit
EXT
RE
S
T
BGR7
BGR10
BGR9
BGR
8
BGR6
BGR5
BGR4
BGR
3
BGR2
BGR1
BGR0
Txc = 0?
Txc = v/2?
OTO
1
0
1
0
BGR1
3
BGR12
BGR11
BGR14
F/F
Rxc = 0?
Rxc = v/2?
F/F
EXT
OTO
1
0
Relo
a
d v
a
l
u
e: v
Receive
15-
b
it relo
a
d co
u
nter
Tr
a
n
s
mit
15-
b
it relo
a
d co
u
nter
Relo
a
d v
a
l
u
e: v
Co
u
nter v
a
l
u
e: T
XC
Relo
a
d
RE
S
T
S
t
a
rt
b
it f
a
lling
edge detection
Receive
clock
Tr
a
n
s
mit
clock
S
CK
(Extern
a
l clock
inp
u
t)
Re
s
et
Re
s
et
S
et
S
et
Intern
a
l d
a
t
a
bus
S
MR
regi
s
ter
BGR1
regi
s
ter
BGR0
regi
s
ter
MCLK
(M
a
chine clock)
Relo
a
d