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Table Of Contents
- Disclaimer
- 1 Product overview
- 2 Specification and parameters
- 3 Size and pins definition
- 4 Recommended circuit diagram
- 5 Hardware design
- 6 E108-Product test
- 7 Command format
- 7.1 GKC interface data format
- 7.2 GKC command
- 7.2. Response message
- 7.2.2 System reboot
- 7.2.3 Erase auxiliary information
- 7.2.4 Low power mode
- 7.2.5 Message interval configuration
- 7.2.6 Periodic low power mode
- 7.2.7 Set star search mode
- 7.2.8 Save star search mode
- 7.2.9 Serial port parameter setting
- 7.2.10 Set NMEA output
- 7.2.11 GPD document delete
- 7.2.12 Set NMEA serial port parameter
- 7.2.13 PPS configuration
- 7.2.14 Query message interval
- 7.2.15 Return message interval
- 7.2.16 Set NMEA output frequency
- 7.2.17 Query NMEA output frequency
- 7.2.18 Return the NMEA output frequency
- 7.2.19 Set reference coordinates
- 7.2.20 Query Reference Coordinate System
- 7.2.21 Return Reference Coordinate System
- 7.2.22 Query RTC time
- 7.2.23 Return RTC time
- 7.2.24 Set the speed threshold
- 7.2.25 Set HDOP Threshold
- 7.2.26 Get HDOP Threshold
- 7.2.27 Version number query
- 7.2.28 Return the current version number
- 7.2.29 Set location and time information
- 7.2.30 Set positioning mode
- 7.2.31 Query ID information
- 7.2.32 Return ID information
- 7.3 Support NMEA0183 protocol
- 8 GDP User Guidance
- 9 FAQ
- 10 Welding instruction
- 11 E108 Series
- 12 Packing for batch order
- Revision history
- About us
Chengdu Ebyte Electronic Technology Co.,Ltd. E108-GN User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
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3 Size and pins definition
3.1 E108-GN01 pins definition
No.
Name
Direction
Function
1
NC
Remained pins
2
NC
Remained pins
3
1PPS
Location indicator
If the positioning is successful, a square wave will be output
4
EINT3
External Interrupt
3
Default: pull-down, 8mA drive current
5
FORCE_
ON
Sleep wake-up
pin
When the module enters low power consumption, pull this pin high to
exit the low power consumption mode (the level voltage of this pin is
1.1V, if the level of the control pin is not 1.1V, it needs to divide the
voltage)
6
EINTO
External interrupt
0
Default: pull-down, 8mA drive current
7
NC
Remained pins
8
RSTN
Reset pin
Pull high by default, pull low to reset.
9
VCC_RF
RF power output
Power supply for active antenna (this RF output power supply voltage is
equal to VCC)
10
GND
Module ground
11
RF IN
RF input
12
GND
Module ground
13
GND
Module ground
14
NC
Remained pins
15
NC
Remained pins
16
RSTN
Reset pin
Pull high by default, pull low to reset
17
EINT1
External Interrupt
1
Default: pull-down, 8mA drive current
18
TX1
UART1 output
(Reserved, 2.8V level)
19
RX1
UART1 input
(Reserved, 2.8V level)
20
TXD
UART output
(AT port, 2.8V level)