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2.4. Fun
ctional D
Diagram
The followin
ng figure sho
ows a block
Power
managemen
nt
Baseba
and
DDR+N
NAND flash
Radio f
frequency
Periphe
eral interface
e
VBAT_RF
VBAT_BB
PMIC
PWRKEY
Y
RESET_N
ADCs
STATUS
VDD_EXT
V
EC25-A_Us
E
All manuals and user guides at all-guides.com
diagram of
EC25 and il
ANT_MAIN
Switch
Duplex
PA
A
APT
Tx
Control
19.2M
M
XO
USB
Figure 1:
Functiona
ser_ManualC
Confidentia
llustrates the
e major func
N
ANT_G
GNSS
SA
AW
x
LN
NA
PRx
Transce
eiver
IQ
Q
Con
Baseband
B
USIM
PCM
P
l Diagram
al / Release
d
12 / 6
L
LTE Module
e
EC25-AU
ser Manua
al
ctional parts
.
ANT_DIV
A
Switch
SAW
D
DRx
NAND
DDR2
SDRAM
S
ntrol
d
I2C
C
UART
GPIOs
69
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