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Chengdu Ebyte Electronic Technology Co., Ltd.
2.4
PIN DESCRIPTION
Pin Number
Pin Name
4
LINK-B
5
VDD_EXT
10
DATE
11
LINK-A
15
GNSS_ANT
16
SIM_GND
17
1PPS
18
SIM_VDD
19
SIM_CLK
20
SIM_RST
21
SIM_DATE
22
TXD_GNSS
23
RXD_GNSS
29
TXD_DBG
30
RXD_DBG
RXD
33
34
TXD
41
RF_ANT
NETLIGHT
47
52
VBKP
53
RST/WKUP
IO_RST
54
50,51
VBat
14,27,31,
40,42,44
GND
,45,48,49
3,6,8,9,12
RESERVED
,38,39
Copyright ©2012–2020， Chengdu Ebyte Electronic Technology Co., Ltd
I/O
Description
DO
Socket1 connection status
indication
PO
3V output power supply
DO
Socket, DATE sending and
receiving indication
DO
The Socket0 connection
status indication
AI
GPS antenna interface
GN
USIM, card site
D
Second pulse output, the user can set
DO
the frequency, duration,
etc
DO
USIM card power supply
DO
USIM card clock signal
DO
USIM card has a reset
signal
IO
USIM card DATE signal
DO
GPS serial port TXD
DI
GPS serial port RXD
DO
Module debugging serial
port, TXD, reserved
DI
Module debugging serial
port, RXD, reserved
DI
Module DATE and at serial
port RXD
DO
Module DATE and at serial
port TXD
AI/
RF antenna interface
AO
DO
Network status indication
PI
RTC auxiliary power supply
input for the GPS
DI
Return / wake-up indication,
and the high level is valid
DI
Restore factory parameters
PI
Module main power supply
GN
power ground
D
-
reserved
DC Characteristic
Low level is effective
Vnom=3V
80mA max loading
Low level is effective
Low level is effective
50Ω characteristic impedance
1.8/3V adaptive
10mA max loading
Add a 20K pull-up resistor to
the DATE line
2.8V level compatible
with 3.3V, default
9600bps
Reserved, recommended
suspension
3V voltage domain
50Ω characteristic impedance
Flash indication when park
3.0V-4.2V
The High-Level Signal Is
VIL=0V
Regarded As a Wake-Up Signal
VIHmin=1.2V
When The Pulse Width Is Greater
VIHmax=3.6v
Than 100us And Less Than 5s.The
Reset Signal Is Considered When
The High-Level Signal Width Is
Greater Than 6 Seconds.(Interior
Pull-Down Resistance)
Low level is effective
Vmax=4.2V
Vmin=3.1V
Power supply shall meet at least
0.6A current
Vnom=3.6V
Keep Hanging
EA01-SG User Manual
NOTE
8
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