# STM32WL55CCU6 (Component)
## Description
IC RF TxRx + MCU 802.15.4 LoRaWAN 1.0, Sigfox 150MHz ~ 960MHz 48-UFQFN Exposed Pad
Wireless microcontroller with integrated LoRa®/FSK radio, featuring a dual-core Arm® Cortex®-M4 (up to 48 MHz) and Cortex®-M0+ architecture for sub-GHz wireless applications. It includes 256 KB Flash, 64 KB SRAM, an integrated 150 MHz to 960 MHz radio, and supports SPI, I²C, USART, USB 2.0, ADC, DAC, and low-power timers, operating from 1.8 V to 3.6 V in a 48-pin UFQFPN package.
#WirelessMCU #STM32WL55CCU6 #LoRa #SubGHz #CortexM4 #CortexM0Plus #STMicroelectronics #LowPowerMCU #EmbeddedSystems #IoT
## Component Details
- **Owner:** silicon-yard
- **Created:** 7/13/2026
- **Last Updated:** 7/13/2026
- **Visibility:** Public
- **Datasheet URL:** https://www.st.com/resource/en/datasheet/dm00697314.pdf
- **Part Type:** RF Transceiver
- **Manufacturer Part Number:** STM32WL55CCU6
- **Symbol Style:** parametric-v1
- **Manufacturer Name:** STMicroelectronics
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Package or Case Code:** 48-UFQFPN (7x7)
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/stm32wl55ccu6/stmicroelectronics.html?utm_currency=USD®ion=nac) | $5.512 | 422 |
| [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/STM32WL55CCU6?qs=DPoM0jnrROUOMdOAP2eE1w%3D%3D) | $10.29 | 24 |
| [Verical](https://www.verical.com/pd/stmicroelectronics-transceiver-STM32WL55CCU6-7392730?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** STM32WL55CCU6
- **Mount Type:** Wire
- **Package / Case Code:** TO
- **Pin Count:** 49
- **Logic Function:** Receiver
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PB3 | |
| 2 | PB4 | |
| 3 | PB5 | |
| 4 | PB6 | |
| 5 | PB7 | |
| 6 | PB8 | |
| 7 | PA0 | |
| 8 | PA1 | |
| 9 | PA2 | |
| 10 | PA3 | |
| 11 | VDD_1 | |
| 12 | PA4 | |
| 13 | PA5 | |
| 14 | PA6 | |
| 15 | PA7 | |
| 16 | PA8 | |
| 17 | PA9 | |
| 18 | NRST | |
| 19 | PH3-BOOT0 | |
| 20 | RFI_P | |
| 21 | RFI_N | |
| 22 | RFO_LP | |
| 23 | RFO_HP | |
| 24 | VR_PA | |
| 25 | VDDPA | |
| 26 | OSC_IN | |
| 27 | OSC_OUT | |
| 28 | VDDRF | |
| 29 | VDDRF1V55 | |
| 30 | PB0-VDD_TCXO | |
| 31 | PB2 | |
| 32 | PB12 | |
| 33 | PA10 | |
| 34 | PA11 | |
| 35 | PA12 | |
| 36 | PA13 | |
| 37 | VBAT | |
| 38 | PC13 | |
| 39 | PC14-OSC32_IN | |
| 40 | PC15-OSC32_OUT | |
| 41 | VDDA | |
| 42 | PA14 | |
| 43 | PA15 | |
| 44 | VDD_2 | |
| 45 | VFBSMPS | |
| 46 | VDDSMPS | |
| 47 | VLXSMPS | |
| 48 | VSSSMPS | |
| 49 | GND | |
---
*Generated from [https://www.flux.ai/silicon-yard/stm32wl55ccu6](https://www.flux.ai/silicon-yard/stm32wl55ccu6)*