Part Metadata Audit and Update

The pins are already grouped. Can you place them into their respective sections based on their functions

Thought for 13 sec

Got it — I’ll keep the existing pin groups and assign the terminal Section property so the symbol is organized into functional sections without duplicating pins.

Worked for 1 min 28 sec

flux

I assigned the existing grouped pins into functional Section values across all 72 terminals: Power, Ground, System Control, Clock, GPIO Port A/B/C/D/E, Debug/GPIO, and RTC/GPIO where appropriate.

Verification spot-checks passed:

VDD_1 → Section Power
VSS_1 → Section Ground
NRST → Section System Control
PH0-_OSC_IN → Section Clock
PA0 → Section GPIO Port A
PB3 → Section Debug / GPIO Port B
PC13 → Section RTC / GPIO Port C
PE10 → Section GPIO Port E

Review reports no open errors or warnings. Some Section values triggered non-blocking suggestions because they are more specific than Flux’s common presets, but the values were applied successfully.

Run ERC/DRC

Check PA4 functions

Normalize sections

Find blank sections

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Part Audit — STM32U3C5JIY6QTR

Date: 2026-05-16

Scope

Reviewed all available part information in the current Flux part project: project/library metadata, schematic terminal symbol, footprint/layout pad list, assets, review checks, and official datasheet data.

Existing Part Metadata

Table

Field	Current value / finding
MPN	STM32U3C5JIY6QTR
Manufacturer	STMicroelectronics
Part type	Integrated Circuits
Designator prefix	IC
Description	Ultra-low-power Arm Cortex-M33 32-bit MCU + TrustZone + FPU, 395 CoreMark, 2 MB Flash, 640 KB SRAM, SMPS, crypto
Terminal count	72
Datasheet URL	https://www.st.com/resource/en/datasheet/stm32u3c5ci.pdf
Datasheet action	Already set to the official STMicroelectronics datasheet URL; no update required.
Assets	STM32U3C5JIY6QTR.kicad_mod footprint, STM32U3C5JIY6QTR Symbol.svg, STM32U3C5JIY6QTR.stp 3D model

Datasheet Key Specs

Source: STMicroelectronics STM32U3C5xx datasheet, official URL above.

Table

Spec	Datasheet value
Device family	STM32 ultra-low-power Arm-based 32-bit microcontroller
Core	Arm Cortex-M33 with TrustZone and FPU
Max frequency	Up to 96 MHz
Performance	395.4 CoreMark
Flash	2 Mbytes, ECC, dual bank, read-while-write
SRAM	640 Kbytes, including 384 Kbytes with hardware parity check
Operating supply	1.71 V to 3.6 V
Temperature	-40 °C to +105 °C ambient; ordering code 6 indicates -40 °C to +85 °C / 105 °C junction
Package	WLCSP72, package code B0TG
Package dimensions	3.67 mm × 3.58 mm body; ST product page also lists 3.7 mm × 3.6 mm × 0.55 mm
Ball pitch	0.40 mm
Ball diameter	b = 0.23 to 0.28 mm, 0.25 mm typ
Packing	TR = tape and reel
Dedicated pinout	Q = dedicated pinout including SMPS step-down converter
Compliance	ECOPACK2 / RoHS compliance grade Ecopack2
Product status noted in extracted data	Evaluation / under characterization; limited engineering samples available

Symbol and Footprint Cross-Check

Summary

Schematic symbol has 72 terminal entries.
Footprint/layout has 72 pad entries plus footprint containers/shapes/text.
Footprint pad labels match the schematic terminal designators.
Schematic terminal Pin Number values match the WLCSP72 ballout table extracted from the datasheet.
No nets are defined in the part project; this is expected for a standalone part project, not an application schematic.

Datasheet WLCSP72 Ballout vs Current Symbol

Table

Ball	Datasheet name	Symbol terminal	Status
A1	VDD	VDD_1	Match, instance suffix used
A3	VDDUSB	VDDUSB	Match
A5	PC12	PC12	Match
A7	PD2	PD2	Match
A9	PB3	PB3	Match
A11	PB7	PB7	Match
A13	VSS	VSS_1	Match, instance suffix used
A15	VDD	VDD_2	Match, instance suffix used
B2	VSS	VSS_2	Match, instance suffix used
B4	PC10	PC10	Match
B6	PC11	PC11	Match
B8	PB4	PB4	Match
B10	PB8	PB8	Match
B12	PB9	PB9	Match
B14	PC13	PC13	Match
B16	VBAT	VBAT	Match
C1	PA11	PA11	Match
C3	PA12	PA12	Match
C5	PA13	PA13	Match
C7	PA14	PA14	Match
C9	PB5	PB5	Match
C11	PH3-BOOT0	PH3-_BOOT0	Functional match; naming sanitized with extra underscore
C13	PC15-OSC32_OUT	PC15-_OSC32__OUT	Functional match; naming sanitized with extra underscore
C15	PC14-OSC32_IN	PC14-_OSC32_IN	Functional match; naming sanitized with extra underscore
D2	PA8	PA8	Match
D4	PA9	PA9	Match
D6	PA10	PA10	Match
D8	PA15	PA15	Match
D10	PB6	PB6	Match
D12	PC1	PC1	Match
D14	PH1-OSC_OUT	PH1-_OSC_OUT	Functional match; naming sanitized with extra underscore
D16	PH0-OSC_IN	PH0-_OSC_IN	Functional match; naming sanitized with extra underscore
E1	PC7	PC7	Match
E3	PC6	PC6	Match
E5	PC8	PC8	Match
E7	PC9	PC9	Match
E9	PA1	PA1	Match
E11	PC2	PC2	Match
E13	PC3	PC3	Match
E15	PC0	PC0	Match
F2	PB13	PB13	Match
F4	PB14	PB14	Match
F6	PE14	PE14	Match
F8	PE13	PE13	Match
F10	PA7	PA7	Match
F12	PA4	PA4	Match
F14	PA0	PA0	Match
F16	NRST	NRST	Match
G1	PB15	PB15	Match
G3	PB10	PB10	Match
G5	PB11	PB11	Match
G7	PE10	PE10	Match
G9	PB0	PB0	Match
G11	PA5	PA5	Match
G13	PA2	PA2	Match
G15	VSSA	VSSA	Match
H2	VDD	VDD_3	Match, instance suffix used
H4	VSS	VSS_3	Match, instance suffix used
H6	VSSSMPS	VSSSMPS	Match
H8	PE11	PE11	Match
H10	PB2	PB2	Match
H12	PA6	PA6	Match
H14	PA3	PA3	Match
H16	VDDA	VDDA	Match
J1	PB12	PB12	Match
J3	VDD11	VDD11	Match
J5	VDDSMPS	VDDSMPS	Match
J7	VLXSMPS	VLXSMPS	Match
J9	PE12	PE12	Match
J11	PB1	PB1	Match
J13	VDD	VDD_4	Match, instance suffix used
J15	VSS	VSS_4	Match, instance suffix used

Mismatches / Gaps to Fix

Terminal pin types are all Unspecified.
This is the main symbol-quality issue. Power pins should be marked as Power In / Ground as appropriate, reset/boot/control pins should be Input, GPIOs should generally be Bi-Directional, analog-capable pins may need Bi-Directional or Passive depending library convention.
Pin descriptions are missing.
Terminals only carry the designator and ball number. Datasheet-derived descriptions / alternate functions are not populated. At minimum, power/reset/boot/oscillator/SMPS pins should have explicit descriptions.
Sanitized oscillator/boot names differ from datasheet spelling.
Current names such as PH3-_BOOT0, PH1-_OSC_OUT, PH0-_OSC_IN, PC15-_OSC32__OUT, and PC14-_OSC32_IN are functionally recognizable but include extra underscores compared with datasheet names. This is not an electrical mismatch, but it may reduce searchability and consistency.
Package and pin count are not stored as explicit project properties.
The library search shows terminal_count = 72 and assets identify the WLCSP footprint, but explicit package metadata is not present in the visible property list. Recommended package property: WLCSP72 / B0TG, 0.40 mm pitch.
Part-type-specific metadata appears wrong.
Library result reports logicFunction: AND and icType: Logic, which is inconsistent with this being a microcontroller. This should be corrected to Microcontroller / MCU-type metadata if editable.
Datasheet extraction through the component datasheet search returned no matches.
The Datasheet URL is present and official, but the direct component datasheet search did not retrieve content. The PDF was successfully read by URL through the file reader. Consider re-indexing / refreshing the machine-readable datasheet association if available.
Documentation review was failing before this report.
The only review warning/error found was missing project documentation. This audit document should resolve that project-documentation gap once review refreshes.

Recommendation

The schematic symbol and footprint appear to have the correct 72-ball WLCSP72 ball mapping. The highest-value cleanup is metadata quality: set terminal pin types, add datasheet-derived pin descriptions / alternate-function notes, correct the library-specific MCU classification, and add explicit package metadata for WLCSP72/B0TG.

Scope

Existing Part Metadata

Datasheet Key Specs

Symbol and Footprint Cross-Check

Summary

Datasheet WLCSP72 Ballout vs Current Symbol

Mismatches / Gaps to Fix

Recommendation

Reviews

Documents

Part Audit — STM32U3C5JIY6QTR

STM32U3C5JIY6QTR Pin Groups

Assets

kicad_mod

STM32U3C5JIY6QTR

STM32U3C5JIY6QTR.kicad_modFootprint

STM32U3C5JIY6QTR

STM32U3C5JIY6QTR Symbol.svgDefault

STM32U3C5JIY6QTR-thumb.png

STM32U3C5JIY6QTR-thumbThumbnail

stp

STM32U3C5JIY6QTR

STM32U3C5JIY6QTR.stp3D Model

Project Name

STM32U3C5JIY6QTR

Description

Ultra-low-power Arm® Cortex®-M33 32-bit MCU+TrustZone®+FPU, 395 CoreMark®, 2 MB flash memory, 640 KB SRAM, SMPS, crypto

• 1.71 V to 3.6 V power supply • -40 °C to +105 °C temperature range • VBAT mode: supply for RTC, 32 x 32-bit backup registers • 1.6 μA Stop 3 mode with 8-Kbyte SRAM • 3.15 μA Stop 3 mode with full SRAM • 3.5 μA Stop 2 mode with 8-Kbyte SRAM • 5.7 μA Stop 2 mode with full SRAM • 12 μA/MHz Run mode @ 3.3 V, 48 MHz (While(1) SMPS step-down converter mode) • 15.5 μA/MHz Run mode @ 3.3 V, 48 MHz (CoreMark® SMPS step-down converter mode) • 20 μA/MHz Run mode @ 3.3 V, 96 MHz (CoreMark® SMPS step-down converter mode) • Brownout reset (BOR) in all modes except Shutdown mode Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU ART Accelerator • 8-Kbyte instruction cache allowing 0-wait-state execution from flash and external memories: frequency up to 96 MHz, MPU, 144 DMIPS and DSP #CommonPartsLibrary #IntegratedCircuit

Properties

Manufac… Number

STM32U3C5JIY6QTR

Manufac…er Name

STMicroelectronics

Part Type

Integrated Circuits

Datasheet URL

st.com/resource/en/datasheet/stm32u3c5ci.pdf

Designator Prefix

Symbol Style

parametric-v1

Pricing & Availability

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Controls

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adrian95 / STM32U3C5JIY6QTR

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