STM32F423MHY6TR (WLCSP-81(4x4)) — Symbol, Footprint IPC-7351B & 3D STEP Model

STM32F423MHY6TR

STWLCSP-81(4x4) · 81 Pins · Pitch 0.40mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · STM32F423MHY6TR (WLCSP-81(4x4))A1VDDA2PC10A3PA15A4PD0A5PB3A6PB5A7BOOT0A8VSSA9VDDB1VSSB2PA14B3PA12B4PC12B5PB4B6PB6B7PB7B8PDR_ONB9VBATC1VCAP_2C2PA13C3PA11C4PC11C5PD2C6PB8C7PC1C8PC13 - ANTI_C9PC14 - OSC32D1PA10D2PA9D3PA8D4PC7D5PC6D6PB9D7PC2D8VSSD9PC15 - OSC32E1PC8E2PC9E3PB14E4PB0E5PA4J9PA2J8VDDJ7PA7J6PC5J5PE9J4PE12J3PE15J2VSSJ1VDDH9VSSAH8PA1H7VSSH6PC4H5PB2H4PE11H3PB10H2VCAP_1H1PB15G9NRSTG8VREF+G7PA0G6PA5G5PB1G4PE10G3PE14G2PB13G1PD10F9PH1 - OSC_OUF8PC0F7VDDAF6BYPASS_ REGF5PA6F4PE13F3PB12F2PD9F1VDDUSBE9PH0 OSC IN -E8VDDE7PC3E6PA3Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.858.453.348.343.238.133.027.922.917.812.77.62.5-2.5-7.6-12.7-17.8-22.9-27.9-33.0-38.1-43.2-48.3-53.3-58.4mm
2. 2D FOOTPRINT
A1A2A3A4A5A6A7A8A9B1B2B3B4B5B6B7B8B9C1C2C3C4C5C6C7C8C9D1D2D3D4D5D6D7D8D9E1E2E3E4E5E6E7E8E9F1F2F3F4F5F6F7F8F9G1G2G3G4G5G6G7G8G9H1H2H3H4H5H6H7H8H9J1J2J3J4J5J6J7J8J9E=4.00mm · Pitch e=0.40mmD=4.00mm-4-3-2-10123443210-1-2-3-4mm
3. 3D CAD MODEL
Package Body: 4.00mm × 4.00mm · Pitch: 0.40mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (81/81)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
A1VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
A2PC10I/OMultiplexed I/O & Peripheral Pin PC10 (UART, SPI)
A3PA15I/OMultiplexed I/O & Peripheral Pin PA15 (UART, SPI, CAN, SWD/JTAG)
A4PD0I/OMultiplexed I/O & Peripheral Pin PD0 (CAN)
A5PB3I/OMultiplexed I/O & Peripheral Pin PB3 (UART, SPI, I2C, SWD/JTAG)
A6PB5I/OMultiplexed I/O & Peripheral Pin PB5 (UART, SPI, I2C, PWM, CAN)
A7BOOT0IInput-Only Pin BOOT0 (General)
A8VSSGNDGround Reference Pin (VSS)
A9VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
B1VSSGNDGround Reference Pin (VSS)
B2PA14I/OMultiplexed I/O & Peripheral Pin PA14 (SWD/JTAG)
B3PA12I/OMultiplexed I/O & Peripheral Pin PA12 (USB, UART, SPI, CAN)
B4PC12I/OMultiplexed I/O & Peripheral Pin PC12 (UART, SPI)
B5PB4I/OMultiplexed I/O & Peripheral Pin PB4 (UART, SPI, CAN)
B6PB6I/OMultiplexed I/O & Peripheral Pin PB6 (UART, PWM)
B7PB7I/OMultiplexed I/O & Peripheral Pin PB7 (UART, PWM)
B8PDR_ONI/OMultiplexed I/O & Peripheral Pin PDR_ON (General)
B9VBATPowerPower Supply Input (VBAT — 3.3V VDD (Max 4.0V))
C1VCAP_2I/OMultiplexed I/O & Peripheral Pin VCAP_2 (General)
C2PA13I/OMultiplexed I/O & Peripheral Pin PA13 (SWD/JTAG)
C3PA11I/OMultiplexed I/O & Peripheral Pin PA11 (USB, UART, SPI, PWM, CAN)
C4PC11I/OMultiplexed I/O & Peripheral Pin PC11 (UART, SPI)
C5PD2I/OMultiplexed I/O & Peripheral Pin PD2 (UART)
C6PB8I/OMultiplexed I/O & Peripheral Pin PB8 (UART, SPI, I2C, PWM, CAN)
C7PC1I/OMultiplexed I/O & Peripheral Pin PC1 (ADC)
C8PC13 - ANTI_TAMPI/OMultiplexed I/O & Peripheral Pin PC13 - ANTI_TAMP (General)
C9PC14 - OSC32_INI/OMultiplexed I/O & Peripheral Pin PC14 - OSC32_IN (RTC/CLK)
D1PA10I/OMultiplexed I/O & Peripheral Pin PA10 (USB, UART, SPI, PWM)
D2PA9I/OMultiplexed I/O & Peripheral Pin PA9 (USB, UART, SPI, I2C, PWM)
D3PA8I/OMultiplexed I/O & Peripheral Pin PA8 (USB, UART, I2C, CAN, RTC/CLK)
D4PC7I/OMultiplexed I/O & Peripheral Pin PC7 (UART, SPI, I2C, PWM)
D5PC6I/OMultiplexed I/O & Peripheral Pin PC6 (UART, I2C, PWM)
D6PB9I/OMultiplexed I/O & Peripheral Pin PB9 (UART, SPI, I2C, PWM, CAN)
D7PC2I/OMultiplexed I/O & Peripheral Pin PC2 (SPI, ADC)
D8VSSGNDGround Reference Pin (VSS)
D9PC15 - OSC32_OUTI/OMultiplexed I/O & Peripheral Pin PC15 - OSC32_OUT (RTC/CLK)
E1PC8I/OMultiplexed I/O & Peripheral Pin PC8 (UART, PWM)
E2PC9I/OMultiplexed I/O & Peripheral Pin PC9 (PWM, RTC/CLK)
E3PB14I/OMultiplexed I/O & Peripheral Pin PB14 (UART, SPI, I2C, PWM)
E4PB0I/OMultiplexed I/O & Peripheral Pin PB0 (SPI, ADC, PWM)
E5PA4I/OMultiplexed I/O & Peripheral Pin PA4 (UART, SPI, ADC, DAC)
E6PA3I/OMultiplexed I/O & Peripheral Pin PA3 (UART, ADC, PWM)
E7PC3I/OMultiplexed I/O & Peripheral Pin PC3 (SPI, ADC)
E8VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
E9PH0 OSC IN -_I/OMultiplexed I/O & Peripheral Pin PH0 OSC IN -_ (RTC/CLK)
F1VDDUSBPowerPower Supply Input (VDDUSB — 3.3V VDD (Max 4.0V))
F2PD9I/OMultiplexed I/O & Peripheral Pin PD9 (UART)
F3PB12I/OMultiplexed I/O & Peripheral Pin PB12 (UART, SPI, I2C, CAN)
F4PE13I/OMultiplexed I/O & Peripheral Pin PE13 (SPI, PWM)
F5PA6I/OMultiplexed I/O & Peripheral Pin PA6 (SPI, ADC)
F6BYPASS_ REGI/OMultiplexed I/O & Peripheral Pin BYPASS_ REG (General)
F7VDDAPowerPower Supply Input (VDDA — 3.3V VDD (Max 4.0V))
F8PC0I/OMultiplexed I/O & Peripheral Pin PC0 (ADC)
F9PH1 - OSC_OUTI/OMultiplexed I/O & Peripheral Pin PH1 - OSC_OUT (RTC/CLK)
G1PD10I/OMultiplexed I/O & Peripheral Pin PD10 (UART)
G2PB13I/OMultiplexed I/O & Peripheral Pin PB13 (UART, SPI, I2C, PWM, CAN)
G3PE14I/OMultiplexed I/O & Peripheral Pin PE14 (SPI, PWM)
G4PE10I/OMultiplexed I/O & Peripheral Pin PE10 (PWM)
G5PB1I/OMultiplexed I/O & Peripheral Pin PB1 (SPI, ADC, PWM)
G6PA5I/OMultiplexed I/O & Peripheral Pin PA5 (SPI, ADC, DAC, PWM)
G7PA0I/OMultiplexed I/O & Peripheral Pin PA0 (UART, ADC, PWM)
G8VREF+AnalogMultiplexed I/O & Peripheral Pin VREF+ (General)
G9NRSTISystem Enable & Hardware Reset (NRST)
H1PB15I/OMultiplexed I/O & Peripheral Pin PB15 (SPI, I2C, PWM, RTC/CLK)
H2VCAP_1I/OMultiplexed I/O & Peripheral Pin VCAP_1 (General)
H3PB10I/OMultiplexed I/O & Peripheral Pin PB10 (UART, SPI, I2C, PWM)
H4PE11I/OMultiplexed I/O & Peripheral Pin PE11 (SPI, PWM)
H5PB2I/OMultiplexed I/O & Peripheral Pin PB2 (General)
H6PC4I/OMultiplexed I/O & Peripheral Pin PC4 (ADC)
H7VSSGNDGround Reference Pin (VSS)
H8PA1I/OMultiplexed I/O & Peripheral Pin PA1 (UART, SPI, ADC, PWM)
H9VSSAGNDGround Reference Pin (VSSA)
J1VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
J2VSSGNDGround Reference Pin (VSS)
J3PE15I/OMultiplexed I/O & Peripheral Pin PE15 (General)
J4PE12I/OMultiplexed I/O & Peripheral Pin PE12 (SPI, PWM)
J5PE9I/OMultiplexed I/O & Peripheral Pin PE9 (PWM)
J6PC5I/OMultiplexed I/O & Peripheral Pin PC5 (UART, I2C, ADC)
J7PA7I/OMultiplexed I/O & Peripheral Pin PA7 (SPI, ADC, PWM)
J8VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
J9PA2I/OMultiplexed I/O & Peripheral Pin PA2 (UART, ADC, PWM)
PIN A1 VDD
Power
Power Supply Input (VDD — 3.3V VDD (Max 4.0V))
Design note: Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 22 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: STM32F423MHY6TR (ST · WLCSP-81(4x4))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
STM32F423MHY6TR (WLCSP-81(4x4)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
STM32F423MHY6TR (WLCSP-81(4x4)) - 2. Standard Pinout (Top View)
True package pinout (81 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
STM32F423MHY6TR (WLCSP-81(4x4)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
STM32F423MHY6TR (WLCSP-81(4x4)) - 4. Package Dimensions (D×E×A)
WLCSP-81(4x4) · 4.00×4.00mm · Pitch 0.40mmExpand ›
5. Recommended Land PatternLAND PATTERN
STM32F423MHY6TR (WLCSP-81(4x4)) - 5. Recommended Land Pattern
IPC-7351B Footprint (81 Pads)Expand ›
6. Application SchematicSCHEMATIC
STM32F423MHY6TR (WLCSP-81(4x4)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (22 figures · Page 1/2)
Showing 1–12 of 22 uncropped original figures for STM32F423
P1 · p01_fig02EXACT PACKAGE
STM32F423MHY6TR (WLCSP-81(4x4)) — September 2017 DocID029161 Rev 7 1/209
September 2017 DocID029161 Rev 7 1/209
P44 · p44_fig01EXACT PACKAGE
STM32F423MHY6TR (WLCSP-81(4x4)) — Pinouts and pin description STM32F423xH
Pinouts and pin description STM32F423xH
P178 · p178_fig01EXACT PACKAGE
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 64. WLCSP81- 81-ball, 4.039 x 3.951 mm, 0.4 mm pitch wafer level chip scale
Figure 64. WLCSP81- 81-ball, 4.039 x 3.951 mm, 0.4 mm pitch wafer level chip scale
P1 · p01_fig01888×457px
STM32F423MHY6TR (WLCSP-81(4x4)) — Arm®-Cortex®-M4 32b MCU+FPU, 125 DMIPS, 1.5MB Flash, 320KB RAM, USB OTG FS, 1 ADC, 2 DACs, 2 DFSDMs, AES | Datasheet - production data | )%*$ | UFQFPN48 | (7x7 mm) | UFBGA100 | (7x7mm) UFBGA144 (10x10mm) LQFP100 (14x14mm) LQFP144 (20x20mm)
Arm®-Cortex®-M4 32b MCU+FPU, 125 DMIPS, 1.5MB Flash, 320KB RAM, USB OTG FS, 1 ADC, 2 DACs, 2 DFSDMs, AES | Datasheet - production data | )%*$ | UFQFPN48 | (7x7 mm) | UFBGA100 | (7x7mm) UFBGA144 (10x10mm) LQFP100 (14x14mm) LQFP144 (20x20mm)
P44 · p44_fig01P44
STM32F423MHY6TR (WLCSP-81(4x4)) — Datasheet Page 44 (p44_fig01)
Datasheet Page 44 (p44_fig01)
P111 · p111_fig011546×528px
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 29. Typical application with an 8 MHz crystal
Figure 29. Typical application with an 8 MHz crystal
P149 · p149_fig011751×831px
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 49. Typical connection diagram using the ADC
Figure 49. Typical connection diagram using the ADC
P149 · p149_fig01P149
STM32F423MHY6TR (WLCSP-81(4x4)) — Datasheet Page 149 (p149_fig01)
Datasheet Page 149 (p149_fig01)
P178 · p178_fig01P178
STM32F423MHY6TR (WLCSP-81(4x4)) — Datasheet Page 178 (p178_fig01)
Datasheet Page 178 (p178_fig01)
P185 · p185_fig011546×1053px
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 70. LQFP64 recommended footprint
Figure 70. LQFP64 recommended footprint
P46 · p46_fig01EXACT PACKAGE
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 13. STM32F423xH LQFP64 pinout [LQFP-64(10x10)]
Figure 13. STM32F423xH LQFP64 pinout [LQFP-64(10x10)]
P47 · p47_fig01EXACT PACKAGE
STM32F423MHY6TR (WLCSP-81(4x4)) — Figure 14. STM32F423xH LQFP100 pinout 6$$ 633 0%�� 0%�� 0"�� 0"�� "//4��                           [LQFP-100(14x14)]
Figure 14. STM32F423xH LQFP100 pinout 6$$ 633 0% 0% 0" 0" "//4                           [LQFP-100(14x14)]
Page 1 / 2 (22 extracted figures)

Technical Specifications & Part Details (STM32F423MHY6TR)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Embedded Microcontroller Unit (MCU)
Detailed Overview:STM32F423MHY6TR (WLCSP-81(4x4)) is a 81-pin embedded microcontroller unit (mcu) featuring a 4.00 × 4.00 × 0.56 mm mechanical envelope (lead pitch e = 0.40 mm). Rated for 1.7 V to 3.6 V supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB, UART, SPI, I2C, I2S, CAN, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG interfaces.
Operating Supply VoltageV_CC / V_DD
1.7 V to 3.6 V
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
100 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
60 5V-tolerant (FT) pins detected
Package Envelope (D × E × A)D × E × A
4.00 × 4.00 × 0.56 mm (A1=0.17 mm)
Package family: WLCSP (WLCSP-81(4x4))
Pin Count & Lead PitchN / e
81 Pins | Pitch e = 0.40 mm (15.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
USB, UART, SPI, I2C, I2S, CAN, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Boot Strapping Pin Alert (BOOT0, PB2): Do not force conflicting external pull-ups/pull-downs during POR reset.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol81 auto-grouped pins
OK
IPC-7351B Land Pattern81 pads · Pitch 0.40mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified
IPC-7351B

Family Variants & Same Datasheet Chips — STM32F423 (5)

Select package variant or sibling MPN sharing this datasheet

Mechanical Dimensions & Land Pattern (WLCSP-81(4x4))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
4.00 × 4.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.56mm · e=0.40mm
Pad Size (W × L)Level B
0.20 × 0.20 mm
Pins / Total PadsTopology
81P / 81Pad (BGA_GRID)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
N/A
BOM
Per application circuit
WLCSP-81(4x4)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — STM32F423MHY6TR (WLCSP-81(4x4))

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of STM32F423MHY6TR (WLCSP-81(4x4))?

Manufactured by ST, the STM32F423MHY6TR is housed in a WLCSP-81(4x4) package with 81 pins and a 0.40 mm lead pitch, supporting a VCC supply range of 1.7 V to 3.6 V. Key pins include: A1 (VDD: Power Supply Input (VDD — 3.3V VDD (Max 4.0V))), A2 (PC10: Multiplexed I/O & Peripheral Pin PC10 (UART, SPI)), A3 (PA15: Multiplexed I/O & Peripheral Pin PA15 (UART, SPI, CAN, SWD/JTAG)), A4 (PD0: Multiplexed I/O & Peripheral Pin PD0 (CAN)), A5 (PB3: Multiplexed I/O & Peripheral Pin PB3 (UART, SPI, I2C, SWD/JTAG)), A6 (PB5: Multiplexed I/O & Peripheral Pin PB5 (UART, SPI, I2C, PWM, CAN)).

What are the IPC-7351B PCB Footprint dimensions for STM32F423MHY6TR?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32F423MHY6TR (WLCSP-81(4x4)) has a nominal body envelope of 4.00 × 4.00 mm, pitch e = 0.40 mm, and 81 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32F423MHY6TR?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32F423MHY6TR (ST, WLCSP-81(4x4)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (81 pins) & STM32F423 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
A1VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
A2PC10Digital_IOSignal terminal PC10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK. Supported peripheral buses: UART, SPI.
A3PA15Digital_IOSignal terminal PA15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI, CAN, SWD/JTAG.
A4PD0Digital_IOSignal terminal PD0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD0. Supported peripheral buses: CAN.
A5PB3Digital_IOSignal terminal PB3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK, SPI3_SCK. Supported peripheral buses: UART, SPI, I2C, SWD/JTAG.
A6PB5Digital_IOSignal terminal PB5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SMBA, SPI1_MOSI, SPI3_MOSI. Supported peripheral buses: UART, SPI, I2C, PWM, CAN.
A7BOOT0Digital_IOSignal terminal BOOT0 (I, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BOOT0. Supported peripheral buses: General.
A8VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
A9VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
B1VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
B2PA14Digital_IOSignal terminal PA14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: SWD/JTAG.
B3PA12Digital_IOSignal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO, SPI5_MISO. Supported peripheral buses: USB, UART, SPI, CAN.
B4PC12Digital_IOSignal terminal PC12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: UART, SPI.
B5PB4Digital_IOSignal terminal PB4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI3_MISO. Supported peripheral buses: UART, SPI, CAN.
B6PB6Digital_IOSignal terminal PB6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: UART, PWM.
B7PB7Digital_IOSignal terminal PB7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: UART, PWM.
B8PDR_ONDigital_IOSignal terminal PDR_ON (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PDR_ON. Supported peripheral buses: General.
B9VBATPower_InPrimary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
C1VCAP_2Digital_IOSignal terminal VCAP_2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VCAP_2. Supported peripheral buses: General.
C2PA13Digital_IOSignal terminal PA13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: SWD/JTAG.
C3PA11Digital_IOSignal terminal PA11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSS, SPI4_MISO. Supported peripheral buses: USB, UART, SPI, PWM, CAN.
C4PC11Digital_IOSignal terminal PC11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MISO. Supported peripheral buses: UART, SPI.
C5PD2Digital_IOSignal terminal PD2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD2. Supported peripheral buses: UART.
C6PB8Digital_IOSignal terminal PB8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SCL, SPI5_MOSI. Supported peripheral buses: UART, SPI, I2C, PWM, CAN.
C7PC1Digital_IOSignal terminal PC1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC1. Supported peripheral buses: ADC.
C8PC13 - ANTI_TAMPRF_50OhmSignal terminal PC13 - ANTI_TAMP (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC13 - ANTI_TAMP. Supported peripheral buses: General.
C9PC14 - OSC32_INDigital_IOSignal terminal PC14 - OSC32_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC14 - OSC32_IN. Supported peripheral buses: RTC/CLK.
D1PA10Digital_IOSignal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI, SPI5_MOSI. Supported peripheral buses: USB, UART, SPI, PWM.
D2PA9Digital_IOSignal terminal PA9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SMBA, SPI2_SCK. Supported peripheral buses: USB, UART, SPI, I2C, PWM.
D3PA8Digital_IOSignal terminal PA8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SCL. Supported peripheral buses: USB, UART, I2C, CAN, RTC/CLK.
D4PC7Digital_IOSignal terminal PC7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI, I2C, PWM.
D5PC6Digital_IOSignal terminal PC6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC6. Supported peripheral buses: UART, I2C, PWM.
D6PB9Digital_IOSignal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SDA, SPI2_NSS. Supported peripheral buses: UART, SPI, I2C, PWM, CAN.
D7PC2Digital_IOSignal terminal PC2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: SPI, ADC.
D8VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
D9PC15 - OSC32_OUTDigital_IOSignal terminal PC15 - OSC32_OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC15 - OSC32_OUT. Supported peripheral buses: RTC/CLK.
E1PC8Digital_IOSignal terminal PC8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC8. Supported peripheral buses: UART, PWM.
E2PC9Digital_IOSignal terminal PC9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC9. Supported peripheral buses: PWM, RTC/CLK.
E3PB14Digital_IOSignal terminal PB14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: UART, SPI, I2C, PWM.
E4PB0Digital_IOSignal terminal PB0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_SCK. Supported peripheral buses: SPI, ADC, PWM.
E5PA4Digital_IOSignal terminal PA4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI, ADC, DAC.
E6PA3Digital_IOSignal terminal PA3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: UART, ADC, PWM.
E7PC3Digital_IOSignal terminal PC3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI, ADC.
E8VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
E9PH0 OSC IN -_Digital_IOSignal terminal PH0 OSC IN -_ (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH0 OSC IN -_. Supported peripheral buses: RTC/CLK.
F1VDDUSBPower_InPrimary positive power supply input (VDDUSB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
F2PD9Digital_IOSignal terminal PD9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD9. Supported peripheral buses: UART.
F3PB12Digital_IOSignal terminal PB12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SMBA, SPI2_NSS, SPI4_NSS, SPI3_SCK. Supported peripheral buses: UART, SPI, I2C, CAN.
F4PE13Digital_IOSignal terminal PE13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MISO, SPI5_MISO. Supported peripheral buses: SPI, PWM.
F5PA6Digital_IOSignal terminal PA6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISOI2S2MCK. Supported peripheral buses: SPI, ADC.
F6BYPASS_ REGDigital_IOSignal terminal BYPASS_ REG (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: BYPASS_ REG. Supported peripheral buses: General.
F7VDDAPower_InPrimary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
F8PC0Digital_IOSignal terminal PC0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC0. Supported peripheral buses: ADC.
F9PH1 - OSC_OUTDigital_IOSignal terminal PH1 - OSC_OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH1 - OSC_OUT. Supported peripheral buses: RTC/CLK.
G1PD10Digital_IOSignal terminal PD10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD10. Supported peripheral buses: UART.
G2PB13Digital_IOSignal terminal PB13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK, SPI4_SCK. Supported peripheral buses: UART, SPI, I2C, PWM, CAN.
G3PE14Digital_IOSignal terminal PE14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI, SPI5_MOSI. Supported peripheral buses: SPI, PWM.
G4PE10Digital_IOSignal terminal PE10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE10. Supported peripheral buses: PWM.
G5PB1Digital_IOSignal terminal PB1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_NSS. Supported peripheral buses: SPI, ADC, PWM.
G6PA5Digital_IOSignal terminal PA5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_SCK. Supported peripheral buses: SPI, ADC, DAC, PWM.
G7PA0Digital_IOSignal terminal PA0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA0. Supported peripheral buses: UART, ADC, PWM.
G8VREF+AnalogSignal terminal VREF+ (Analog, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VREF+. Supported peripheral buses: General.
G9NRSTDigital_IOActive-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals.
H1PB15Digital_IOSignal terminal PB15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI, I2C, PWM, RTC/CLK.