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STM32U073RCT6 (LQFP-64(10x10)) — Symbol, Footprint IPC-7351B & 3D STEP Model

STM32U073RCT6

STID: C22445364LQFP-64(10x10) · 64 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · STM32U073RCT6 (LQFP-64(10x10))1VBAT2PC133PC14-OSC32IN4PC15-OSC32OU5PF0-OSCIN6PF1-OSCOUT7PF2-NRST8PC09PC110PC211PC312VSSA/VREF-13VDDA/VREF+14PA015PA116PA217PA318VSS19VDD20PA421PA522PA623PA724PC425PC526PB027PB128PB229PB1030PB1131VSS32VDD64VDD63VSS62PB961PB860PF3-BOOT0 (B59PB758PB657PB556PB455PB354PD253PC1252PC1151PC1050PA1549PA14(SWCLK)48VDDUSB47VSS46PA13(SWDIO)45PA12[PA10]44PA11[PA9]43PA1042PA941PA840PC939PC838PC737PC636PB1535PB1434PB1333PB12Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.845.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7mm
2. 2D FOOTPRINT
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364E=10.00mm · Pitch e=0.50mmD=10.00mm-9-7-5-3-11357997531-1-3-5-7-9mm
3. 3D CAD MODEL
Package Body: 10.00mm × 10.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (64/64)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1VBATPowerPower Supply Input (VBAT — 3.3V VDD (Max 4.0V))
2PC13I/OMultiplexed I/O & Peripheral Pin PC13 (RTC/CLK)
3PC14-OSC32INI/OMultiplexed I/O & Peripheral Pin PC14-OSC32IN (RTC/CLK)
4PC15-OSC32OUTI/OMultiplexed I/O & Peripheral Pin PC15-OSC32OUT (RTC/CLK)
5PF0-OSCINI/OMultiplexed I/O & Peripheral Pin PF0-OSCIN (RTC/CLK)
6PF1-OSCOUTI/OMultiplexed I/O & Peripheral Pin PF1-OSCOUT (RTC/CLK)
7PF2-NRSTI/OMultiplexed I/O & Peripheral Pin PF2-NRST (RTC/CLK)
8PC0I/OMultiplexed I/O & Peripheral Pin PC0 (I2C, ADC)
9PC1I/OMultiplexed I/O & Peripheral Pin PC1 (I2C, ADC)
10PC2I/OMultiplexed I/O & Peripheral Pin PC2 (SPI, ADC, RTC/CLK)
11PC3I/OMultiplexed I/O & Peripheral Pin PC3 (SPI, ADC)
12VSSA/VREF-GNDGround Reference Pin (VSSA/VREF-)
13VDDA/VREF+PowerPower Supply Input (VDDA/VREF+ — 3.3V VDD (Max 4.0V))
14PA0I/OMultiplexed I/O & Peripheral Pin PA0 (UART, ADC)
15PA1I/OMultiplexed I/O & Peripheral Pin PA1 (UART, SPI, ADC)
16PA2I/OMultiplexed I/O & Peripheral Pin PA2 (UART)
17PA3I/OMultiplexed I/O & Peripheral Pin PA3 (UART, ADC)
18VSSGNDGround Reference Pin (VSS)
19VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
20PA4I/OMultiplexed I/O & Peripheral Pin PA4 (UART, SPI, ADC)
21PA5I/OMultiplexed I/O & Peripheral Pin PA5 (UART, SPI, ADC)
22PA6I/OMultiplexed I/O & Peripheral Pin PA6 (UART, I2C, ADC)
23PA7I/OMultiplexed I/O & Peripheral Pin PA7 (I2C, ADC)
24PC4I/OMultiplexed I/O & Peripheral Pin PC4 (UART)
25PC5I/OMultiplexed I/O & Peripheral Pin PC5 (UART)
26PB0I/OMultiplexed I/O & Peripheral Pin PB0 (UART, SPI, ADC)
27PB1I/OMultiplexed I/O & Peripheral Pin PB1 (UART)
28PB2I/OMultiplexed I/O & Peripheral Pin PB2 (RTC/CLK)
29PB10I/OMultiplexed I/O & Peripheral Pin PB10 (UART, I2C)
30PB11I/OMultiplexed I/O & Peripheral Pin PB11 (UART, I2C)
31VSSGNDGround Reference Pin (VSS)
32VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
33PB12I/OMultiplexed I/O & Peripheral Pin PB12 (UART, SPI)
34PB13I/OMultiplexed I/O & Peripheral Pin PB13 (UART, SPI, I2C)
35PB14I/OMultiplexed I/O & Peripheral Pin PB14 (UART, SPI, I2C)
36PB15I/OMultiplexed I/O & Peripheral Pin PB15 (SPI, RTC/CLK)
37PC6I/OMultiplexed I/O & Peripheral Pin PC6 (General)
38PC7I/OMultiplexed I/O & Peripheral Pin PC7 (General)
39PC8I/OMultiplexed I/O & Peripheral Pin PC8 (General)
40PC9I/OMultiplexed I/O & Peripheral Pin PC9 (USB)
41PA8I/OMultiplexed I/O & Peripheral Pin PA8 (UART, RTC/CLK)
42PA9I/OMultiplexed I/O & Peripheral Pin PA9 (I2C, RTC/CLK)
43PA10I/OMultiplexed I/O & Peripheral Pin PA10 (UART, I2C, RTC/CLK)
44PA11[PA9]I/OMultiplexed I/O & Peripheral Pin PA11[PA9] (USB, SPI)
45PA12[PA10]I/OMultiplexed I/O & Peripheral Pin PA12[PA10] (USB, SPI)
46PA13(SWDIO)I/OMultiplexed I/O & Peripheral Pin PA13(SWDIO) (USB, SWD/JTAG)
47VSSGNDGround Reference Pin (VSS)
48VDDUSBPowerPower Supply Input (VDDUSB — 3.3V VDD (Max 4.0V))
49PA14(SWCLK)I/OMultiplexed I/O & Peripheral Pin PA14(SWCLK) (SWD/JTAG)
50PA15I/OMultiplexed I/O & Peripheral Pin PA15 (UART, SPI)
51PC10I/OMultiplexed I/O & Peripheral Pin PC10 (UART, SPI)
52PC11I/OMultiplexed I/O & Peripheral Pin PC11 (UART, SPI)
53PC12I/OMultiplexed I/O & Peripheral Pin PC12 (UART, SPI)
54PD2I/OMultiplexed I/O & Peripheral Pin PD2 (UART)
55PB3I/OMultiplexed I/O & Peripheral Pin PB3 (UART, SPI, I2C)
56PB4I/OMultiplexed I/O & Peripheral Pin PB4 (SPI, I2C)
57PB5I/OMultiplexed I/O & Peripheral Pin PB5 (UART, SPI)
58PB6I/OMultiplexed I/O & Peripheral Pin PB6 (I2C)
59PB7I/OMultiplexed I/O & Peripheral Pin PB7 (UART, I2C)
60PF3-BOOT0 (BOOT0)I/OMultiplexed I/O & Peripheral Pin PF3-BOOT0 (BOOT0) (General)
61PB8I/OMultiplexed I/O & Peripheral Pin PB8 (I2C)
62PB9I/OMultiplexed I/O & Peripheral Pin PB9 (UART, I2C)
63VSSGNDGround Reference Pin (VSS)
64VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
PIN 1 VBAT
Power
Power Supply Input (VBAT — 3.3V VDD (Max 4.0V))
Design note: Primary positive power supply input (VBAT) 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 + 15 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: STM32U073RCT6 (ST · LQFP-64(10x10))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
STM32U073RCT6 (LQFP-64(10x10)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
STM32U073RCT6 (LQFP-64(10x10)) - 2. Standard Pinout (Top View)
True package pinout (64 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
STM32U073RCT6 (LQFP-64(10x10)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
STM32U073RCT6 (LQFP-64(10x10)) - 4. Package Dimensions (D×E×A)
LQFP-64(10x10) · 10.00×10.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
STM32U073RCT6 (LQFP-64(10x10)) - 5. Recommended Land Pattern
IPC-7351B Footprint (64 Pads)Expand ›
6. Application SchematicSCHEMATIC
STM32U073RCT6 (LQFP-64(10x10)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (15 figures · Page 1/2)
Showing 1–12 of 15 uncropped original figures for STM32U073
P1 · p01_fig01EXACT PACKAGE
STM32U073RCT6 (LQFP-64(10x10)) — 40-Kbyte SRAM, USB, LCD
40-Kbyte SRAM, USB, LCD
P29 · p29_fig01EXACT PACKAGE
STM32U073RCT6 (LQFP-64(10x10)) — Figure 7. LQFP64 pinout
Figure 7. LQFP64 pinout
P122 · p122_fig01EXACT PACKAGE
STM32U073RCT6 (LQFP-64(10x10)) — Figure 43. LQFP64 - Outline(15.)
Figure 43. LQFP64 - Outline(15.)
P1 · p01_fig021408×551px
STM32U073RCT6 (LQFP-64(10x10)) — • 19.7 ULPMark™-CM
• 19.7 ULPMark™-CM
P29 · p29_fig02963×618px
STM32U073RCT6 (LQFP-64(10x10)) — Figure 8. UFBGA64 ballout
Figure 8. UFBGA64 ballout
P29 · p29_fig01P29
STM32U073RCT6 (LQFP-64(10x10)) — Datasheet Page 29 (p29_fig01)
Datasheet Page 29 (p29_fig01)
P42 · p42_fig011278×1130px
STM32U073RCT6 (LQFP-64(10x10)) — Figure 13. Power supply scheme
Figure 13. Power supply scheme
P42 · p42_fig01P42
STM32U073RCT6 (LQFP-64(10x10)) — Datasheet Page 42 (p42_fig01)
Datasheet Page 42 (p42_fig01)
P72 · p72_fig011432×512px
STM32U073RCT6 (LQFP-64(10x10)) — Figure 18. Typical application with an 8 MHz crystal
Figure 18. Typical application with an 8 MHz crystal
P93 · p93_fig01908×757px
STM32U073RCT6 (LQFP-64(10x10)) — Figure 26. ADC accuracy characteristics
Figure 26. ADC accuracy characteristics
P93 · p93_fig021603×614px
STM32U073RCT6 (LQFP-64(10x10)) — Figure 27. Typical connection diagram when using the ADC with FT/TT pins featuring analog switch
Figure 27. Typical connection diagram when using the ADC with FT/TT pins featuring analog switch
P93 · p93_fig01P93
STM32U073RCT6 (LQFP-64(10x10)) — Datasheet Page 93 (p93_fig01)
Datasheet Page 93 (p93_fig01)
Page 1 / 2 (15 extracted figures)

Technical Specifications & Part Details (STM32U073RCT6)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Embedded Microcontroller Unit (MCU)
Detailed Overview:STM32U073RCT6 (LQFP-64(10x10)) is a 64-pin embedded microcontroller unit (mcu) featuring a 10.00 × 10.00 × 1.60 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.71 V to 3.6 V supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB, SPI, I2C, ADC, DAC, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG, UART interfaces.
Operating Supply VoltageV_CC / V_DD
1.71 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
56 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
50 5V-tolerant (FT) pins detected
Package Envelope (D × E × A)D × E × A
10.00 × 10.00 × 1.60 mm (A1=0.10 mm)
Package family: LQFP (LQFP-64(10x10))
Pin Count & Lead PitchN / e
64 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
USB, SPI, I2C, ADC, DAC, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG, UART
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 (PF3-BOOT0 (BOOT0)): 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 Symbol64 auto-grouped pins
OK
IPC-7351B Land Pattern64 pads · Pitch 0.50mm
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

Mechanical Dimensions & Land Pattern (LQFP-64(10x10))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
10.00 × 10.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.60mm · e=0.50mm
Pad Size (W × L)Level B
0.30 × 1.25 mm
Pins / Total PadsTopology
64P / 64Pad (QUAD_ROW)

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
LQFP-64(10x10)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — STM32U073RCT6 (LQFP-64(10x10))

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 STM32U073RCT6 (LQFP-64(10x10))?

Manufactured by ST, the STM32U073RCT6 is housed in a LQFP-64(10x10) package with 64 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.71 V to 3.6 V. Key pins include: 1 (VBAT: Power Supply Input (VBAT — 3.3V VDD (Max 4.0V))), 2 (PC13: Multiplexed I/O & Peripheral Pin PC13 (RTC/CLK)), 3 (PC14-OSC32IN: Multiplexed I/O & Peripheral Pin PC14-OSC32IN (RTC/CLK)), 4 (PC15-OSC32OUT: Multiplexed I/O & Peripheral Pin PC15-OSC32OUT (RTC/CLK)), 5 (PF0-OSCIN: Multiplexed I/O & Peripheral Pin PF0-OSCIN (RTC/CLK)), 6 (PF1-OSCOUT: Multiplexed I/O & Peripheral Pin PF1-OSCOUT (RTC/CLK)).

What are the IPC-7351B PCB Footprint dimensions for STM32U073RCT6?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32U073RCT6 (LQFP-64(10x10)) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.50 mm, and 64 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32U073RCT6?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32U073RCT6 (ST, LQFP-64(10x10)) 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 (64 pins) & STM32U073 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1VBATPower_InPrimary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
2PC13Digital_IOSignal terminal PC13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC13. Supported peripheral buses: RTC/CLK.
3PC14-OSC32INDigital_IOSignal terminal PC14-OSC32IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC14-OSC32IN. Supported peripheral buses: RTC/CLK.
4PC15-OSC32OUTDigital_IOSignal terminal PC15-OSC32OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC15-OSC32OUT. Supported peripheral buses: RTC/CLK.
5PF0-OSCINDigital_IOSignal terminal PF0-OSCIN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF0-OSCIN. Supported peripheral buses: RTC/CLK.
6PF1-OSCOUTDigital_IOSignal terminal PF1-OSCOUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF1-OSCOUT. Supported peripheral buses: RTC/CLK.
7PF2-NRSTDigital_IOSignal terminal PF2-NRST (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF2-NRST. Supported peripheral buses: RTC/CLK.
8PC0Digital_IOSignal terminal PC0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SCL. Supported peripheral buses: I2C, ADC.
9PC1Digital_IOSignal terminal PC1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC1. Supported peripheral buses: I2C, ADC.
10PC2Digital_IOSignal terminal PC2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: SPI, ADC, RTC/CLK.
11PC3Digital_IOSignal terminal PC3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC3. Supported peripheral buses: SPI, ADC.
12VSSA/VREF-GND0V electrical ground return terminal (VSSA/VREF-) for internal core logic, I/O drivers, and analog sub-blocks.
13VDDA/VREF+Power_InPrimary positive power supply input (VDDA/VREF+) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
14PA0Digital_IOSignal terminal PA0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA0. Supported peripheral buses: UART, ADC.
15PA1Digital_IOSignal terminal PA1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK_SPI2SCKUSART2. Supported peripheral buses: UART, SPI, ADC.
16PA2Digital_IOSignal terminal PA2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: UART.
17PA3Digital_IOSignal terminal PA3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: UART, ADC.
18VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
19VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
20PA4Digital_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.
21PA5Digital_IOSignal terminal PA5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK_USART3TXLPUART3. Supported peripheral buses: UART, SPI, ADC.
22PA6Digital_IOSignal terminal PA6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA6. Supported peripheral buses: UART, I2C, ADC.
23PA7Digital_IOSignal terminal PA7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA7. Supported peripheral buses: I2C, ADC.
24PC4Digital_IOSignal terminal PC4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC4. Supported peripheral buses: UART.
25PC5Digital_IOSignal terminal PC5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC5. Supported peripheral buses: UART.
26PB0Digital_IOSignal terminal PB0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: UART, SPI, ADC.
27PB1Digital_IOSignal terminal PB1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: UART.
28PB2Digital_IOSignal terminal PB2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB2. Supported peripheral buses: RTC/CLK.
29PB10Digital_IOSignal terminal PB10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB10. Supported peripheral buses: UART, I2C.
30PB11Digital_IOSignal terminal PB11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SDA. Supported peripheral buses: UART, I2C.
31VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
32VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
33PB12Digital_IOSignal terminal PB12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSS_USART3CKLPUART1. Supported peripheral buses: UART, SPI.
34PB13Digital_IOSignal terminal PB13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB13. Supported peripheral buses: UART, SPI, I2C.
35PB14Digital_IOSignal terminal PB14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB14. Supported peripheral buses: UART, SPI, I2C.
36PB15Digital_IOSignal terminal PB15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB15. Supported peripheral buses: SPI, RTC/CLK.
37PC6Digital_IOSignal terminal PC6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC6. Supported peripheral buses: General.
38PC7Digital_IOSignal terminal PC7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC7. Supported peripheral buses: General.
39PC8Digital_IOSignal terminal PC8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC8. Supported peripheral buses: General.
40PC9Digital_IOSignal terminal PC9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC9. Supported peripheral buses: USB.
41PA8Digital_IOSignal terminal PA8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: UART, RTC/CLK.
42PA9Digital_IOSignal terminal PA9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SCL, I2C2_SCL. Supported peripheral buses: I2C, RTC/CLK.
43PA10Digital_IOSignal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: UART, I2C, RTC/CLK.
44PA11[PA9]Digital_IOSignal terminal PA11[PA9] (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO_SPI2MISOUSART1, USB_DM. Supported peripheral buses: USB, SPI.
45PA12[PA10]Digital_IOSignal terminal PA12[PA10] (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MOSI_SPI2MOSIUSART1, USB_DP. Supported peripheral buses: USB, SPI.
46PA13(SWDIO)Digital_IOSignal terminal PA13(SWDIO) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13(SWDIO). Supported peripheral buses: USB, SWD/JTAG.
47VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
48VDDUSBPower_InPrimary positive power supply input (VDDUSB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
49PA14(SWCLK)Digital_IOSignal terminal PA14(SWCLK) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14(SWCLK). Supported peripheral buses: SWD/JTAG.
50PA15Digital_IOSignal terminal PA15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_NSS. Supported peripheral buses: UART, SPI.
51PC10Digital_IOSignal terminal PC10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK_USART3TXUSART4TX. Supported peripheral buses: UART, SPI.
52PC11Digital_IOSignal terminal PC11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MISO_USART3RXUSART4RX. Supported peripheral buses: UART, SPI.
53PC12Digital_IOSignal terminal PC12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI_USART3CKUSART4CK. Supported peripheral buses: UART, SPI.
54PD2Digital_IOSignal terminal PD2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD2. Supported peripheral buses: UART.
55PB3Digital_IOSignal terminal PB3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK. Supported peripheral buses: UART, SPI, I2C.
56PB4Digital_IOSignal terminal PB4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SDA. Supported peripheral buses: SPI, I2C.
57PB5Digital_IOSignal terminal PB5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MOSI_SPI3MOSIUSART1CK. Supported peripheral buses: UART, SPI.
58PB6Digital_IOSignal terminal PB6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SCL. Supported peripheral buses: I2C.
59PB7Digital_IOSignal terminal PB7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SDA. Supported peripheral buses: UART, I2C.
60PF3-BOOT0 (BOOT0)Digital_IOSignal terminal PF3-BOOT0 (BOOT0) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF3-BOOT0 (BOOT0). Supported peripheral buses: General.
61PB8Digital_IOSignal terminal PB8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB8. Supported peripheral buses: I2C.
62PB9Digital_IOSignal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB9. Supported peripheral buses: UART, I2C.
63VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
64VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
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