lora module wsl307s - liteon.com · module pinout pin definition pin name i/o description 1 uart_rx...
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![Page 1: LoRa Module WSL307S - liteon.com · MODULE PINOUT PIN DEFINITION PIN Name I/O Description 1 UART_RX I Main UART (STM32L051K8 PA3) 2 UART_TX O Main UART (STM32L051K8 PA2) 3 USART2_DE](https://reader034.vdocument.in/reader034/viewer/2022042806/5f6cdd51997e595ef737db7f/html5/thumbnails/1.jpg)
LoRa ModuleWSL307SCompact-sizedWith Ultra-low Power Consumption
LoRaWAN Support
WSL307S(L) : 470-510MHzWSL307S(H) : 868MHzWSL307S(H2) : 915MHzWSL307S(H3) : 923MHz
AT Commands
Extended Temperature Range: -40°C to +85°C
Ultra-Low Power Consumption (1.5uA @ sleep mode)
The WSL307S transceivers SX126x feature the LoRaTM long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.
LoRaTM also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.
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◆ General Feature
◼ General LoRa module for Smart City, Smart Agriculture , Smart Industry, IOT Application◼ Compact Form Factor: 15 x 15.5 x 2.5 mm◼ 20 Pin Stamp Pad for PCB SMT mounting◼ I/O port: UART/I2C/GPIO◼ Temperature range: -40°C to +85°C◼ Supply voltage: 2.0 ~ 3.6V◼ Frequency range: 470–510MHz(China)/863–870MHz(EU)/902–928MHz(US),
ISM and SRD systems◼ IEEE 802.15.4g, Wireless M-Bus and Proprietary Systems◼ Low-Power Wireless Systems with 7.8-kHz to 500-KHz Bandwidth
RF Function
Standard IEEE 802.15.4g
Interface UART/I2C/GPIO
Transmit Output Power Max. 22dBm
Data Rate 0.018 - 37.5 kbps
Modulation Techniques Multilevel (G)FSK and MSK
Frequency bands470 – 510MHz 863 – 870MHz 902 – 928MHz
Operating Voltage 2.0 ~ 3.6V
Operating Temperature -40 ~ 85 degree C
◆ Product Specifications
Sleep mode 1.5 uA
◆ Power Consumption
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◆ MODULE PINOUT
◆ PIN DEFINITION
PIN Name I/O Description
1 UART_RX I Main UART (STM32L051K8 PA3)
2 UART_TX O Main UART (STM32L051K8 PA2)
3 USART2_DE I/O GPIO (STM32L051K8 PA1)
4 UART_TX I/OGeneral GPIO or UART(Reserved) (STM32L051K8 PA9)
5 UART_RX I/OGeneral GPIO or UART(Reserved) (STM32L051K8 PA10)
6 NA - Not connect
7 SWDIO I/O Programming (STM32L051K8 PA13)
8 SWCLK I/O Programming (STM32L051K8 PA14)
9 I2C_SCL I/O I2C interface (STM32L051K8 PB6)
10 I2C_SDA I/O I2C interface (STM32L051K8 PB7)
11 GND - Ground
12 RF I/O RF port (reserved) , default RF out by IPEX
13 GND - Ground
14 GND - Ground
15 SPI_CLK Reserved PA5
16 SPI_MISO - Reserved PA6
17 SPI_MOSI - Reserved PA7
18 MCU_NRST I MCU reset (STM32L051K8 NRST)
19 GND - Ground
20 VDD - DC3V3
1
2
3
4
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
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◆ BLOCK DIAGRAM
◆ MODULE DIMENSION
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◆ RECOMMENDED FOOTPRINT
◆ RECOMMENDED STENCIL DESIGN
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◆ RECOMMENDED REFLOW PROFILE
Standard conditions for reflow soldering: • a. Pre-heating Ramp (A) (Initial temperature: 150℃): 1~2.5℃/sec; • b. Soaking Time (T2) (150℃~180℃): 60sec~100sec; • c. Peak Temperature (G): 230~250℃; • d. Reflow Time (T3) (>220℃): 30~60 sec; • e. Ramp-up Rate (B): 0~2.5℃/ sec; • f. Ramp-down Rate (C): 1~3℃/ sec.
1. Power output routing width recommended more than 1mm.2. Recommended to reserve capacitors to suppress ripple and noise.3. RF output need routing with 50ohm impedance line.4. Reserve the Pi-Matching for Antenna performance tuning.5. Reserve the TVS for ESD protection. (Option)
◆ Additional Guidelines
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Rev Date Author Change ListV1.0 2018.05.08 Kelly Hsu PreliminaryV1.1 2018.05.14 Kelly Hsu Revise block diagramV1.2 2018.05.16 Kelly Hsu Update complete AT Command ManualV1.3 2018.05.29 Kelly Hsu Update Frequency range and Transmit Output Power
V1.4 2018.08.02 Kelly HsuAdd Recommended Reflow ProfileUpdate AT command set table
V1.5 2018.09.17 Kaysa Lee Update TX current consumptionV1.6 2018.09.25 Kaysa Lee Update Product Picture V1.7 2018.10.23 Kaysa Lee Update recommended footprint/stencil designV.1.8 2019.04.18 Kelly Hsu Add Additional Guidelines
◆ CHANGE LIST