3.3. Pin
The followin
Table 3: IO
Type
IO
DI
DO
PI
PO
AI
AO
OD
Table 4: Pin
Power Su
Pin Name
VBAT_BB
VBAT_RF
VDD_EXT
GND
E
Descript
ng tables sho
Parameter
n Descriptio
pply
Pin
No.
59,60
57,58
T 7
8,9,19,2
6,46,48,
~54,56,7
85~112
EC25-A_Us
tion
ow the EC2
rs Definition
Desc
Bidir
Digit
Digit
Powe
Powe
Anal
Anal
Open
on
I/O
PI
PI
PO
2,3
50
72,
ser_ManualC
5’s pin defin
n
cription
rectional inp
tal input
tal output
er input
er output
og input
og output
n drain
Description
Power supp
module bas
part.
Power supp
module RF
Provide 1.8V
external circ
Ground.
Confidentia
nition.
ut/output
n
D
ply for
seband
V
V
V
ply for
part.
V
V
V
V for
cuit.
V
al / Release
DC Charact
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Vnorm=1.8V
I
O
max=50m
d 16 / 6
teristics C
V
I
p
c
V
I
p
c
t
V
A
P
e
c
L
EC25-AU
69
Comment
t must be ab
provide suffi
current up to
t must be ab
provide suffi
current up to
transmitting
Power supp
external GP
circuits.
LTE Module
ser Manua
ble to
cient
o 0.8A.
ble to
cient
o 1.8A in a
burst.
ly for
IO’s pull up
e
al
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