Quectel EC25 series

Table 13:L
o
Paramete
r
V
IL
V
IH
V
OL
V
OH
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VDD_EXT
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RTS
RXD
DTR
CTS
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2
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1.
3
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2
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3
5
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VCCA
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A1
A2
A3
A4
A5
A6
A7
A8
2
0: Referen
c
o
re informa
t
a
nslation cir
c
a
ttention to
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A level tra
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anslator T
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reference
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V
Translator
c
e Circuit
w
t
ion.
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uit is show
the directio
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utput dotte
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l / Release
Max.
0.6
2.0
0.45
1.8
nslato
r
sh
o
X
S0108EP
W
d
esign.
V
CC
B
GND
B1
B2
B3
B4
B5
B6
B7
B8
0.
1
w
ith Transl
a
n as below.
n
of connec
t
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line of the
d 37 /
6
o
uld be use
W
R provided
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a
to
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Chip
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module sh
o
L
EC25-AU
6
9
Unit
V
V
V
V
d if your a
by Texas I
n
RI_MCU
DCD_MCU
RTS_MCU
RXD_MCU
DTR_MCU
CTS_MCU
TXD_MCU
VDD_MCU
f
dotted lin
e
d
otted line o
f
o
uld refer t
o
L
TE Modul
e
ser Manu
a
pplication i
s
n
strumen
t
i
s
e
can refer t
o
f
the modul
e
o
output soli
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e
a
l
s
s
o
e
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