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5
KX-TDA0155CE
4 Technical Descriptions
4.1.
Block Diagram
4.1.1.
Main Board
KX-TDA0155CE
5
.25
V
to D
L
C
Ca
rd
T1
0
1
Tr
a
n
s
fo
rm
e
r
IC
100(
B
a
s
e
B
a
nd
I
C
/C
P
U
)
RX
TX
Bu
rs
t M
o
d
e
C
o
n
tr
o
lle
r
RF In
te
rf
ac
e
RF
PC
M
Ec
h
o
C
a
n
c
e
lle
r
CP
U
GP
IO
IC
1
0
1
Fl
as
h
ROM
IC
1
0
2
SR
A
M
Li
n
e
i
/f
DI
P
S
W
LE
D
X101
16.384MHz
X1
0
0
1
0
.3
6
8
MHz
to D
L
C
Ca
rd
IC
2
0
3
DC
/D
C
IC
1
0
5
Re
s
e
t IC
Re
g
u
la
to
rs
1.
8V
3.
2V
1.
5V
PAV3.3V
RF2R5V
232C
i
/f
C3
3
9
C3
4
0
C3
4
1
IC
103/F
P
G
A
SY
N
C
GE
N
F
ra
m
er/D
ef
ra
mer
De
c
o
de
r
IC
104/G
A
DP
T
i
/f
PC
M
I/
F