Part Datasheet Review and Validation

flux

Found the official ST datasheet and added its URL to the project properties. I’m now checking the imported pins and footprint against it.

flux

Reviewed the STM32WLE5JC part and added the official ST datasheet URL: https://www.st.com/resource/en/datasheet/stm32wle5jc.pdf.
Key specs: STM32WLE5JC is an Arm Cortex-M4 Sub-GHz wireless MCU with LoRa/(G)FSK/(G)MSK/BPSK radio, 150–960 MHz RF range, 256 KB Flash, 64 KB SRAM, 1.8–3.6 V supply, and UFBGA-73 5 × 5 × 0.6 mm package with 0.5 mm pitch.
Findings / mismatches flagged:
  • The project description says “0.6mm UFBGA-73”, which is ambiguous/misleading: ST lists 5 × 5 × 0.6 mm body, 0.5 mm pitch.
  • Project metadata only has Package or Case Code = UFBGA; it should ideally specify UFBGA-73, 5 × 5 × 0.6 mm, 0.5 mm pitch.
  • Schematic has 73 terminal pins, matching the package ball count, and sampled pins match datasheet examples such as A1 = VSSSMPS, B1 = VLXSMPS, C1 = PB3.
  • Footprint shows a 5 mm × 5 mm outline and 73 BGA pads on a 0.5 mm grid, consistent with ST’s package summary.
  • Pin descriptions are mostly basic pin names/types only; detailed alternate/additional functions from the datasheet are not populated.
Fix metadata and review
Fix package metadata
Add pin functions
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STM32WLE5JC

STM32WLE5JC thumbnail
STM32WLE5JC is an ultra-low-power wireless microcontroller from STMicroelectronics that combines an Arm Cortex-M4 processor with an integrated Sub-GHz radio transceiver in a single chip. Designed for long-range, low-power IoT and LPWAN applications, it supports LoRa®, (G)FSK, (G)MSK, and BPSK modulation schemes, making it ideal for smart metering, industrial monitoring, agriculture, asset tracking, and remote sensing applications. The device offers a high level of integration, robust security features, and extensive peripheral support while maintaining very low power consumption.
Key Features Arm Cortex-M4 32-bit MCU running at up to 48 MHz Integrated Sub-GHz radio transceiver (150 MHz to 960 MHz) Supports LoRa®, LoRaWAN®, (G)FSK, (G)MSK, and BPSK modulations Up to 256 KB Flash memory and 64 KB SRAM Ultra-low-power operation with multiple low-power modes Programmable RF output power up to +22 dBm High receiver sensitivity down to -148 dBm (LoRa mode) Hardware AES-256 encryption and True Random Number Generator (RNG) Public Key Accelerator (PKA) for enhanced security 12-bit ADC, 12-bit DAC, comparators, and DMA controllers Multiple communication interfaces: USART, LPUART, SPI, I²C Operating voltage range: 1.8 V to 3.6 V Operating temperature range: -40°C to +105°C Available in compact UFQFPN, UFBGA, and WLCSP packages
#STM32WLE5JC #STM32WL #LoRa #LoRaWAN #SubGHz #WirelessMCU #CortexM4 #LPWAN #IoT #SmartMetering #IndustrialIoT #EmbeddedSystems #STMicroelectronics

Properties

STM32WLE5JC

STMicroelectronics

Integrated Circuits

st.com/resource/en/datasheet/stm32wle5jc.pdf

IC

UFBGA-73, 5 × 5 × 0.6 mm, 0.5 mm pitch.

parametric-v1

creativecommons.org/licenses/by/4.0/

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