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