User's Manual

V1.2 2020-09-25
www.risinghf.com
RHF0M0E5 User Manual
RisingHF
1
1 Preface
RHF0M0E5 is a low-cost, ultra-low power, ultra-small size LoRaWAN
®
module designed by Rui Xing
Heng Fang Network (Shenzhen) Co., Ltd. The module uses ST system on chip STM32WLE5JC,
intergrated high-performance LoRa
®
SX126X IP and ultra-low power Consumption of MCU. The target
application of this module is wireless sensor networks and other Internet of Things devices, especially
battery-powered low power consumption and long-distance occasions.
2 Hardware Description
2.1 Pin definition
28 pin SMT package for module:
Figure 2-1 RHF0M0E5 Pin arrangement
2.2 Pin details
PB0 is used for TCXO power supply and should not be used normally.
Number
Name
Type
Description
1
VCC
-
Supply voltage for the module
2
GND
-
Ground
3
PA13
I
SWDIO of SWIM for program download
4
PA14
I/O
SWCLK of SWIM for program download
5
PB15
I/O
SCL of I2C2 from MCU
6
PA15
I/O
SDA of I2C2 from MCU
7
PB4
I/O
MCU GPIO
8
PB3
I/O
MCU GPIO
9
PB7
I/O
UART1_RX from MCU
10
PB6
I/O
UART1_TX from MCU
11
PB5
I/O
MCU GPIO