STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module
[Chip solution]： STM32WLE5CCU6
[Carrier frequency]：850/930MHz
[Transmit power]： 22dBm
[Communication distance]： 5600m
[Product size]：14*20mm
[Introduction]：E77-900M22S is based on ST's newly launched STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module. It has the characteristics of long communication distance, low standby power consumption, strong anti-interference ability, rich interface resources, strong processing ability and small size.
| pin number | pin name | Pin Orientation | pin usage |
|---|---|---|---|
| 1 | PB3 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 2 | PB4 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 3 | PB5 | Input/Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 4 | PB6 | Input /Output | USART1_TX |
| 5 | PB7 | Input/Output | USART1_RX |
| 6 | PB8 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 7 | PA0 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 8 | PA1 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 9 | PA2 | Input/Output | LP_USART2_TX |
| 10 | PA3 | Input /Output | LP_USART2_RX |
| 11 | PA4 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 12 | PA5 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 13 | GND | Input /Output | Ground wire, connected to the power reference ground |
| 14 | ANT | Input /Output | Antenna interface, stamp hole (50Ω characteristic impedance) |
| 15 | GND | Input /Output | Ground wire, connected to the power reference ground |
| 16 | PA8 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 17 | NRST | Input /Output | Chip reset trigger input pin, active low (built-in 0.1uF ceramic capacitor) |
| 18 | PA9 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 19 | PA12 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 20 | PA11 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 21 | PA10 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 22 | PB12 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for |
| 23 | PB2 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 24 | PB0 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 25 | PA15 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 26 | PC13 | Input /Output | Configurable general-purpose IO port (see STM32WLE5CCU6 manual for details) |
| 27 | GND | Output | Ground wire, connected to the power reference ground |
| 28 | VDD | Input | Power supply, range 1.8~3.6V (recommended to add external ceramic filter capacitor) |
| 29 | SWDIO | Input | Program download |
| 30 | SWCLK | Input | Program download |