Gemtek GL6509 Bedienungsanleitung
Low-Power WAN Module GL6509
General Features
General Purpose LoRa module for sensor integration
Different versions to support AT commands, ModBus, and
generic GPIO and I²C and UART interfaces
Compact form factor: 15 x 39 x 2.75 mm
Castellation SMT edge for easy PCB mounting
Optional version with pin header for quick prototyping
High receiver sensitivity: down to -137.5 dBm
Industrial grade
Operational
Single operating voltage at 3.3V
Temperature range: -40°C to +85°C
Low-power consumption
This LPWAN Module GL6509 is a general purpose SMT module for sensor integration. Sensor
vendors can speed up their LPWAN integration by embedding this module in their designs. This
module will take care of the LPWAN communication with our LPWAN AP and cloud services.
There are different integration options: the sensor design can integrate this SMT module via AT
command set treating this module as a LPWAN modem; the interface can be via Modbus interface;
and the entire sensor be controlled by the MCU of the module through GPIO or I²C or UART.
This GL6509 Module complies with the LoRaWAN Class A protocol specifications. It integrates RF,
a Low-Power Long Range transceiver and an application MCU. Together with the integration to
our LPWAN gateway and back-end cloud service, making this a total IOT network solution.
Table of Content
1.0 MODULE OVERVIEW .......................................................................................3
2.0 GENERAL SPECIFICATIONS...........................................................................6
3.0 TYPICAL HARDWARE CONNECTIONS ..........................................................9
3.1 INTERFACE TO HOST MCU ...................................................................................................9
3.2 GPIO AND INTERRUPT PINS ...............................................................................................10
3.3 ANTENNA CONNECTIONS ...................................................................................................10
3.4 POWER PIN...........................................................................................................................10
3.5 BOOT PIN ..............................................................................................................................10
3.6 RESET PIN ............................................................................................................................10
4.0 PHYSICAL DIMENSIONS ...............................................................................11
5.0 APPLICATION INFORMATION .........................................錯誤! 尚未定義書籤。
6.0 REGULATORY FORMATION..........................…………………………………..14
PRODUCT IDENTIFICATION SYSTEM .................................................................16
1 MODULE OVERVIEW
The GL6509 module is based on LoRa technology to provide low power long range
communication using spread spectrum. This provides very high receive sensitivity enabling
communication with high interference immunity.
Using LoRa modulation, depending on the spreading factor (SF), GL6509 can achieve system
receiver sensitivity of -137.5 dBm.
TABLE 1-1: RECEIVER SENSITIVITY OF SYSTEM WITH 125 KHz MODE(UPLINK WITH SX1257)
SF
Data rate (bit/sec)
Sensitivity (dBm)
7
5469
-130.0
8
3125
-132.5
9
1758
-135.0
10
977
-137.5
TABLE 1-2: RECEIVER SENSITIVITY OF MODULE WITH 125 KHz MODE(DOWNLINK)
SF
Data rate (bit/sec)
Sensitivity (dBm)
7
5469
-125.0
8
3125
-128.0
9
1758
-131.0
10
977
-134.0
FIGURE 1-1: GL6509 SMT PIN DIAGRAM(Top View)
FIGURE 1-2: GL6509 PIN HEADER PIN DIAGRAM(Top
View)
TABLE 1-2: SMT PIN DESCRIPTION
Pin
Name
Type
Description
1
GND
Power
System Ground
2
N.C.
---
Not Connected
3
PB8
Input/Output
GPIO_1
4
GND
Power
System Ground
5
GND
Power
System Ground
6
GND
Power
System Ground
7
BOOT0
Input
Reserved for debug. Not Connected.
8
GND
Power
System Ground
9
PA3
Input/Output
GPIO_2
10
PA2
Input/Output
GPIO_3
11
PB6
Input/Output
GPIO_4
12
PB7
Input/Output
GPIO_5
13
GND
Power
System Ground
14
PA4
Input/Output
GPIO_6
15
PA5
Input/Output
GPIO_7
16
PA6
Input/Output
GPIO_8
17
PA7
Input/Output
GPIO_9
18
GND
Power
System Ground
19
PA13
Input / Output
SWDIO (Debug Port)
20
PA14
Input
SWCLK (Debug Port)
21
VDD
Power
Positive supply
22
PA8
Input/Output
GPIO_10
23
GND
Power
System Ground
24
PA10
Input
Communication USART1 Transmit (RX)
25
PA9
Output
Communication USART1 Receive (TX)
26
PA11
Input/Output
GPIO_11
27
PA12
Input/Output
GPIO_12
28
GND
Power
Supply Ground
29
PB0
Input/Output
GPIO_13
30
PB1
Input/Output
GPIO_14
31
GND
Power
System Ground
32
NRST
Input
MCU Reset
33
N.C.
---
Not Connected
34
GND
Power
Supply Ground
35
GND
Power
Supply Ground
36
GND
Power
Supply Ground
37
RF
RF Analog
RF RX/TX pin
38
GND
Power
Supply Ground
39
GND
Power
Supply Ground
2 GENERAL SPECIFICATIONS
Table 2-1 provides the general specifications for the module. Table 2-2, Table 2-3 and Table 2-4 provide
the electrical characteristics, current consumption and output power of Tx power setting.
TABLE 2-1: GENERAL SPECIFICATIONS
Specifications
Modulation Method
LoRa® Technology modulation
Maximum Over-the-Air Data Rate
5469 bps
RF connection
UFL Connector
Interface
UART (reserve for UART*1, I2C*1, SPI*1)
Sensitivity at 10 % BER
-137.5 dBm @ Lora Modulation, BW = 125K, SF = 10
Temperature
-40°C to + 85°C(Operating)
40°C to + 125°C(Storage)
Humidity
10% ~ 90%
non-condensing
TABLE 2-2: ELECTRICAL CHARACTERISTICS
Parameter
Min.
Typ.
Max.
Units
Supply Voltage, VDD
2.5
---
3.6
V
Voltage on any pin with respect to VSS (except VDD)
-0.3
---
VDD +
0.3
V
Output current sunk by any I/O and control pin
---
---
25
mA
Output current sourced by any I/O and control pin
---
---
-25
mA
Input low level voltage, VIL
---
---
0.3VDD
V
Input high level voltage, VIH
0.7VDD
---
---
V
Output low level voltage for an I/O pin, VOL
---
---
1.3
V
Output high level voltage for an I/O pin, VOH
VDD-1.3
---
---
V
RF Input Level
---
---
+10
dBm
TABLE 2-3: CURRENT CONSUMPTION
Mode
Typical current at 3V (mA)
Standby
20
Receive
30
Deep Sleep
0.0043
TABLE 2-4: OUTPUT POWER OF TX POWER SETTING (BW=125KHZ)
Band
TX Power index
Output Power(dBm)
Current Consumption @
VDD = 3.3V(mA)
915 MHz
2
2.3
48
3
3.27
50
4
4.4
52
5
5.41
54
6
6.52
56
7
7.65
58
8
8.63
60
9
9.65
62
10
10.76
66
11
11.73
69
12
12.76
73
13
13.75
77
14
14.74
81
15
15.65
87
16
16.51
95
17
17.29
105
18
17.83
113
19
18.54
123
20
19.15
135
3 TYPICAL HARDWARE CONNECTIONS
Figure 3-1 shows the typical hardware connections where GL6509 is connected as a modem.
FIGURE 3-1: HARDWARE CONNECTIONS
3.1 INTERFACE TO HOST MCU
A typical application of GL6509 is to use the UART connection to communicate with a host controller. In
this application, the GL6509 is treated as a LoRa modem.
TABLE 3-1: DEFAULT UART SETTINGS
Specification
Description
Baud Rate
9600 bps
Data Length
8 bits
Parity Bit
No
Stop Bits
1 bit
Hardware Flow Control
No
3.2 GPIO AND INTERRUPT PINS
The GL6509 has 14 GPIO pins.
3.3 ANTENNA CONNECTIONS
There are two versions of antenna connectivity: one via the U.FL connector and the other via the SMT pin
(RF Pin 37).
3.4 POWER PIN
It is recommended that all the power related pins are connected.
3.5 BOOT PIN
This general purpose input pin is used to boot the GL6509 module. This is reserved for debug purpose. Not
Connected.
3.6 RESET PIN
This input pin is for reset of the module’s MCU. Low active.
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