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Quectel EC2 Series User Manual

Quectel EC2 Series
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Page #17 background image
LTE Module Series
EM05 Hardware Design
EM05_Hardware_Design Confidential / Released 16 / 59
7
USB_D+
USB_DP
IO
USB differential data bus (+)
8
W_DISABLE1#
W_DISABLE1#
DI
Airplane mode control. Active
low.
1.8/3.3V.
9
USB_D-
USB_DM
IO
USB differential data bus (-)
10
GPIO_9
LED#
OD
It is an open drain and active low
signal. Requires a pull up
resistor on the host.
It is used to indicate the RF
status of the module.
If unused,
keep it open.
11
GND
GND
Ground
12
Key
Notch
Notch
13
Key
Notch
Notch
14
Key
Notch
Notch
15
Key
Notch
Notch
16
Key
Notch
Notch
17
Key
Notch
Notch
18
Key
Notch
Notch
19
Key
Notch
Notch
20
GPIO_5
(AUDIO_0)
PCM_CLK
IO
PCM clock. In master mode, it is
an output signal. In slave mode,
it is an input signal.
If unused, keep it open.
1.8V
21
CONFIG_0
CONFIG_0
Unconnected internally.
EM05 is configured as
WWAN-SSIC-0.
22
GPIO_6
(AUDIO_1)
PCM_IN
DI
PCM data input
1.8V
23
GPIO_11
(WAKE_ON_
WWAN#)
WOWWAN#
OD
A signal to wake up the host.
It is open drain and active low.
Requires a pull up resistor on
the host.
If unused,
keep it open.
24
GPIO_7
(AUDIO_2)
PCM_OUT
DO
PCM data output
1.8V
25
DPR
DPR*
DI
Body specific absorption rate
(SAR) detection
1.8V
26
GPIO_10
W_DISABLE2#
W_DISABLE2#*
DI
GPS control
Active low
1.8V
27
GND
GND
Ground
Quectel
Confidential

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Quectel EC2 Series Specifications

General IconGeneral
BrandQuectel
ModelEC2 Series
CategoryControl Unit
LanguageEnglish

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