# STM32WL55JCI6TR (Component) ## Description IC RF TxRx + MCU General ISM < 1GHz LoRaWAN 1.0, Sigfox 915MHz 73-UFBGA The STM32WL55JCI6TR is an ultra-low-power wireless microcontroller developed by STMicroelectronics. It integrates a high-performance Arm Cortex-M4 core with a secondary Arm Cortex-M0+ core and a sub-GHz radio transceiver within a single package. The device is designed for long-range wireless communication, industrial automation, smart metering, environmental monitoring, asset tracking, and Internet of Things applications. Its highly integrated architecture reduces external component count while providing secure, energy-efficient operation suitable for battery-powered and embedded systems. #STM32WL55JCI6TR #STM32WL #STM32 #STMicroelectronics #Microcontroller #WirelessMCU #LoRa #SubGHz #IoT #EmbeddedSystems #IndustrialAutomation #SmartMetering #LowPowerDesign #WirelessCommunication #RemoteMonitoring ## Component Details - **Owner:** adrian95 - **Created:** 6/9/2026 - **Last Updated:** 6/9/2026 - **Visibility:** Public - **Mount:** Wire - **Manufacturer Part Number:** STM32WL55JCI6TR - **Part Type:** Integrated Circuits - **Manufacturer Name:** STMicroelectronics - **Symbol Style:** parametric-v1 - **Datasheet URL:** https://www.st.com/resource/en/datasheet/stm32wl55jc.pdf ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/STM32WL55JCI6TR?qs=11PymoJGorICbKk5Ys%252Bt%252Bw%3D%3D) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** STMicroelectronics - **MPN:** STM32WL55JCI6TR - **Mount Type:** Wire - **Package / Case Code:** UFBGA - **Pin Count:** 73 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | A1 | VSSSMPS | | | A2 | VDDSMPS | | | A4 | PA14 | | | A5 | VDDA | | | A7 | VDD_1 | | | A8 | VBAT | | | A9 | PA12 | | | B1 | VLXSMPS | | | B2 | VFBSMPS | | | B3 | PA15 | | | B4 | PB15 | | | B5 | VREF+ | | | B6 | PC14-_OSC32_IN | | | B7 | VSS_1 | | | B8 | PA13 | | | B9 | PA11 | | | C1 | PB3 | | | C2 | PB4 | | | C3 | PB7 | | | C4 | PB9 | | | C5 | PC15-_OSC32__OUT | | | C6 | PB14 | | | C7 | PC13 | | | C8 | PA10 | | | D2 | PB5 | | | D3 | PB8 | | | D4 | PC2 | | | D5 | PC3 | | | D6 | PA0 | | | D7 | PB13 | | | D8 | PB2 | | | D9 | VSS_2 | | | E1 | PB6 | | | E2 | VDD_2 | | | E3 | VSS_3 | | | E4 | PC5 | | | E5 | PA9 | | | E6 | PB12 | | | E7 | PB1 | | | E8 | VDDRF | | | E9 | VDD_3 | | | F1 | PC1 | | | F2 | PC0 | | | F3 | PC4 | | | F4 | PA6 | | | F5 | NRST | | | F6 | PB0-_VDD_TCXO | | | F7 | VDDRF_1V55 | | | F8 | OSC_OUT | | | G2 | PC6 | | | G3 | PA1 | | | G4 | PB11 | | | G5 | VSS_4 | | | G6 | VSSRF_1 | | | G7 | VSSRF_2 | | | G8 | VSSRF_3 | | | G9 | OSC_IN | | | H1 | PA3 | | | H2 | PA2 | | | H3 | PA7 | | | H4 | PB10 | | | H5 | VDD_4 | | | H6 | VSSRF_4 | | | H7 | RFI_N | | | H8 | VDDPA | | | H9 | VR_PA | | | J1 | PA4 | | | J2 | PA5 | | | J3 | PA8 | | | J5 | PH3-_BOOT0 | | | J6 | RFI_P | | | J8 | RFO_LP | | | J9 | RFO_HP | | --- *Generated from [https://www.flux.ai/adrian95/stm32wl55jci6tr](https://www.flux.ai/adrian95/stm32wl55jci6tr)*