![STM32F303C8Y6TR (WLCSP-49(2.9x3.7)) — DS9866 Rev 8 69/124 | 102 | Table 40. LSE oscillator characteristics (fLSE = 32.768 kHz) | Symbol Parameter Conditions(1) Min.(2) Typ. Max.(2) Unit | IDD LSE current consumption | LSEDRV[1:0]=00 lower driving capability - 0.5 0.9 | µA | LSE](/api/v1/assets/C2055045/extracted/figures/p69_fig02.png)
LQFP-48(7x7) · 48P
Synchronized Pinout (Symbol / 2D / 3D) (49/49)
Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D| Pin | Symbol | Type | Function (EN) |
|---|---|---|---|
| A1 | PA14 | I/O | Multiplexed I/O & Peripheral Pin PA14 (SWD/JTAG) |
| A2 | PA15 | I/O | Multiplexed I/O & Peripheral Pin PA15 (SPI, SWD/JTAG) |
| A3 | PB3 | I/O | Multiplexed I/O & Peripheral Pin PB3 (SPI, SWD/JTAG) |
| A4 | PB6 | I/O | Multiplexed I/O & Peripheral Pin PB6 (I2C) |
| A5 | BOOT0 | I | Input-Only Pin BOOT0 (General) |
| A6 | PB9 | I/O | Multiplexed I/O & Peripheral Pin PB9 (UART, CAN) |
| A7 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| B1 | VSS | GND | Ground Reference Pin (VSS) |
| B2 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| B3 | PB4 | I/O | Multiplexed I/O & Peripheral Pin PB4 (SPI, SWD/JTAG) |
| B4 | PB5 | I/O | Multiplexed I/O & Peripheral Pin PB5 (SPI, I2C) |
| B5 | PB7 | I/O | Multiplexed I/O & Peripheral Pin PB7 (I2C, PWM) |
| B6 | PB8 | I/O | Multiplexed I/O & Peripheral Pin PB8 (I2C, CAN) |
| B7 | VSS | GND | Ground Reference Pin (VSS) |
| C1 | PA11 | I/O | Multiplexed I/O & Peripheral Pin PA11 (UART, PWM, CAN) |
| C2 | PA13 | I/O | Multiplexed I/O & Peripheral Pin PA13 (SWD/JTAG) |
| C3 | PA12 | I/O | Multiplexed I/O & Peripheral Pin PA12 (UART, CAN) |
| C4 | PA10 | I/O | Multiplexed I/O & Peripheral Pin PA10 (UART) |
| C5 | PC3 | I/O | Multiplexed I/O & Peripheral Pin PC3 (ADC) |
| C6 | PF1/OSC_OUT | I/O | Multiplexed I/O & Peripheral Pin PF1/OSC_OUT (RTC/CLK) |
| C7 | PF0/OSC_IN | I/O | Multiplexed I/O & Peripheral Pin PF0/OSC_IN (PWM, RTC/CLK) |
| D1 | PA8 | I/O | Multiplexed I/O & Peripheral Pin PA8 (UART, RTC/CLK) |
| D2 | PA9 | I/O | Multiplexed I/O & Peripheral Pin PA9 (General) |
| D3 | PB15 | I/O | Multiplexed I/O & Peripheral Pin PB15 (ADC, PWM) |
| D4 | PC7 | I/O | Multiplexed I/O & Peripheral Pin PC7 (General) |
| D5 | PA2 | I/O | Multiplexed I/O & Peripheral Pin PA2 (UART, ADC, PWM) |
| D6 | PA0 | I/O | Multiplexed I/O & Peripheral Pin PA0 (UART, ADC, RTC/CLK) |
| D7 | NRST | I | System Enable & Hardware Reset (NRST) |
| E1 | PB14 | I/O | Multiplexed I/O & Peripheral Pin PB14 (UART, ADC) |
| E2 | PB13 | I/O | Multiplexed I/O & Peripheral Pin PB13 (UART, ADC) |
| E3 | PC5 | I/O | Multiplexed I/O & Peripheral Pin PC5 (ADC) |
| E4 | PA6 | I/O | Multiplexed I/O & Peripheral Pin PA6 (SPI, ADC, DAC) |
| E5 | PA3 | I/O | Multiplexed I/O & Peripheral Pin PA3 (UART, ADC, PWM) |
| E6 | VDDA | Power | Power Supply Input (VDDA — 3.3V VDD (Max 4.0V)) |
| E7 | VSSA/VREF- | GND | Ground Reference Pin (VSSA/VREF-) |
| F1 | PB12 | I/O | Multiplexed I/O & Peripheral Pin PB12 (ADC) |
| F2 | PB2 | I/O | Multiplexed I/O & Peripheral Pin PB2 (ADC) |
| F3 | PB0 | I/O | Multiplexed I/O & Peripheral Pin PB0 (ADC, PWM) |
| F4 | PA7 | I/O | Multiplexed I/O & Peripheral Pin PA7 (SPI, ADC, PWM) |
| F5 | PA4 | I/O | Multiplexed I/O & Peripheral Pin PA4 (SPI, ADC, DAC, PWM) |
| F6 | VSS | GND | Ground Reference Pin (VSS) |
| F7 | VREF+ | Analog | Multiplexed I/O & Peripheral Pin VREF+ (General) |
| G1 | PB11 | I/O | Multiplexed I/O & Peripheral Pin PB11 (UART, PWM) |
| G2 | PB10 | I/O | Multiplexed I/O & Peripheral Pin PB10 (UART, PWM) |
| G3 | PB1 | I/O | Multiplexed I/O & Peripheral Pin PB1 (ADC, PWM) |
| G4 | PC4 | I/O | Multiplexed I/O & Peripheral Pin PC4 (ADC) |
| G5 | PA5 | I/O | Multiplexed I/O & Peripheral Pin PA5 (SPI, ADC, DAC) |
| G6 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| G7 | PA1 | I/O | Multiplexed I/O & Peripheral Pin PA1 (UART, ADC, PWM, RTC/CLK) |
PIN A1 PA14
I/OMultiplexed I/O & Peripheral Pin PA14 (SWD/JTAG)
Design note: Alt: JTCK/SWCLK IO4, TSC_G4I2C1 S_DA , TIM1_BKIN, USAR_T2 TX, EVENTO_UT,
IPC-7351B Solder Density & Span C/G/Z Tuner
Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 33 Extracted Figures)
Read the original datasheet PDF directly or click any drawing to view fullscreen1. Realistic 3D PackageREPRESENTATIVE
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
True package pinout (49 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
WLCSP-49(2.9x3.7) · 2.90×3.70mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
IPC-7351B Footprint (49 Pads)Expand ›
6. Application SchematicSCHEMATIC
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (33 figures · Page 1/3)
Showing 1–12 of 33 uncropped original figures for STM32F303
P33 · p33_fig01EXACT PACKAGE
P113 · p113_fig01EXACT PACKAGE
P114 · p114_fig01EXACT PACKAGE
P115 · p115_fig01EXACT PACKAGE
P1 · p01_fig011751×679px
P31 · p31_fig011610×940px
P31 · p31_fig021546×1346px
P31 · p31_fig02P31
P69 · p69_fig011546×734px
P69 · p69_fig021875×842px
P69 · p69_fig01P69
P70 · p70_fig011548×710px
Page 1 / 3 (33 extracted figures)
Technical Specifications & Part Details (STM32F303C8Y6TR)
Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)Detailed Overview:STM32F303C8Y6TR (WLCSP-49(2.9x3.7)) is a 49-pin embedded microcontroller unit (mcu) featuring a 3.70 × 2.90 × 0.62 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 2.4 V to 3.6 V supply operation across -40°C ~ +85°C (Industrial Grade) with integrated SPI, I2C, ADC, DAC, PWM, JTAG / SWD, IrDA, CAN, RTC/CLK, SWD/JTAG, UART interfaces.
Operating Supply VoltageV_CC / V_DD
2.4 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
72 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
18 5V-tolerant (FT) pins detected
Package Envelope (D × E × A)D × E × A
3.70 × 2.90 × 0.62 mm (A1=0.23 mm)
Package family: WLCSP (WLCSP-49(2.9x3.7))
Pin Count & Lead PitchN / e
49 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
SPI, I2C, ADC, DAC, PWM, JTAG / SWD, IrDA, CAN, 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 (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 exportIEEE-315 Symbol49 auto-grouped pins
IPC-7351B Land Pattern49 pads · Pitch 0.50mm
IPC-7525 60% Solder PasteReflow 1:1 Standard
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
Hardware Verification & Community Engineering Reviews
Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet5.00 PCB Verified
IPC-7351B
Select package variant or sibling MPN sharing this datasheetFamily Variants & Same Datasheet Chips — STM32F303 (20)
LQFP-48(7x7) · 48P
LQFP-48(7x7) · 48P
LQFP-48(7x7) · 48P
LQFP-48(7x7) · 48P
WLCSP-49(2.9x3.7) · 49P
49P3.7×2.9×0.62mmP=0.5mm
STM32F303 (WLCSP-49(2.9x3.7))
LQFP-64(10x10) · 64P
LQFP-64(10x10) · 64P
LQFP-64(10x10) · 64P
IPC-7351B
64P9.9×10.0×1.60mmP=0.5mm
STM32F303 (LQFP-64(10x10))
LQFP-64(10x10) · 64P
IPC-7351B
64P10.0×10.0×1.60mmP=0.5mm
STM32F303 (LQFP-64(10x10))
LQFP-64(10x10) · 64P
LQFP-64(10x10) · 64P
LQFP-100(14x14) · 100P
IPC-7351B
100P14.0×14.0×1.60mmP=0.5mm
STM32F303 (LQFP-100(14x14))
LQFP-100(14x14) · 100P
IPC-7351B
100P14.0×14.0×1.60mmP=0.5mm
STM32F303 (LQFP-100(14x14))
LQFP-100(14x14) · 100P
IPC-7351B
100P14.0×14.0×1.60mmP=0.5mm
STM32F303 (LQFP-100(14x14))
UFBGA-100 · 100P
UFBGA-100 · 100P
LQFP-144(20x20) · 144P
IPC-7351B
144P20.0×20.0×1.60mmP=0.5mm
STM32F303 (LQFP-144(20x20))
LQFP-144(20x20) · 144P
IPC-7351B
144P20.0×20.0×1.60mmP=0.5mm
STM32F303 (LQFP-144(20x20))
LQFP-144(20x20) · 144P
IPC-7351B
144P20.0×20.0×1.60mmP=0.5mm
STM32F303 (LQFP-144(20x20))
Mechanical Dimensions & Land Pattern (WLCSP-49(2.9x3.7))
Extracted from Datasheet & IPC-7351B NormalizedPackage Body (D × E)Nominal
3.70 × 2.90 mm
Height (A) & Pitch (e)IPC-7351B
A=0.62mm · e=0.50mm
Pad Size (W × L)Level B
0.26 × 0.26 mm
Pins / Total PadsTopology
49P / 49Pad (BGA_GRID)
Recommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit WLCSP-49(2.9x3.7) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32F303C8Y6TR (WLCSP-49(2.9x3.7))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32F303C8Y6TR (WLCSP-49(2.9x3.7))?
Manufactured by ST, the STM32F303C8Y6TR is housed in a WLCSP-49(2.9x3.7) package with 49 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 2.4 V to 3.6 V. Key pins include: A1 (PA14: Multiplexed I/O & Peripheral Pin PA14 (SWD/JTAG)), A2 (PA15: Multiplexed I/O & Peripheral Pin PA15 (SPI, SWD/JTAG)), A3 (PB3: Multiplexed I/O & Peripheral Pin PB3 (SPI, SWD/JTAG)), A4 (PB6: Multiplexed I/O & Peripheral Pin PB6 (I2C)), A5 (BOOT0: Input-Only Pin BOOT0 (General)), A6 (PB9: Multiplexed I/O & Peripheral Pin PB9 (UART, CAN)).
What are the IPC-7351B PCB Footprint dimensions for STM32F303C8Y6TR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32F303C8Y6TR (WLCSP-49(2.9x3.7)) has a nominal body envelope of 2.90 × 3.70 mm, pitch e = 0.50 mm, and 49 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32F303C8Y6TR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32F303C8Y6TR (ST, WLCSP-49(2.9x3.7)) 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 (49 pins) & STM32F303 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: SWD/JTAG. |
| A2 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS. Supported peripheral buses: SPI, SWD/JTAG. |
| A3 | PB3 | Digital_IO | Signal terminal PB3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI_1. Supported peripheral buses: SPI, SWD/JTAG. |
| A4 | PB6 | Digital_IO | Signal terminal PB6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: I2C. |
| A5 | BOOT0 | Digital_IO | Signal terminal BOOT0 (I, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BOOT0. Supported peripheral buses: General. |
| A6 | PB9 | Digital_IO | Signal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB9. Supported peripheral buses: UART, CAN. |
| A7 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| B1 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| B2 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| B3 | PB4 | Digital_IO | Signal terminal PB4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB4. Supported peripheral buses: SPI, SWD/JTAG. |
| B4 | PB5 | Digital_IO | Signal terminal PB5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB5. Supported peripheral buses: SPI, I2C. |
| B5 | PB7 | Digital_IO | Signal terminal PB7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: I2C, PWM. |
| B6 | PB8 | Digital_IO | Signal terminal PB8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB8. Supported peripheral buses: I2C, CAN. |
| B7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| C1 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA11. Supported peripheral buses: UART, PWM, CAN. |
| C2 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: SWD/JTAG. |
| C3 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: UART, CAN. |
| C4 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: UART. |
| C5 | PC3 | Digital_IO | Signal terminal PC3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC3. Supported peripheral buses: ADC. |
| C6 | PF1/OSC_OUT | Digital_IO | Signal terminal PF1/OSC_OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF1/OSC_OUT. Supported peripheral buses: RTC/CLK. |
| C7 | PF0/OSC_IN | Digital_IO | Signal terminal PF0/OSC_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF0/OSC_IN. Supported peripheral buses: PWM, RTC/CLK. |
| D1 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: UART, RTC/CLK. |
| D2 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA9. Supported peripheral buses: General. |
| D3 | PB15 | Digital_IO | Signal terminal PB15 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB15. Supported peripheral buses: ADC, PWM. |
| D4 | PC7 | Digital_IO | Signal terminal PC7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC7. Supported peripheral buses: General. |
| D5 | PA2 | Digital_IO | Signal terminal PA2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: UART, ADC, PWM. |
| D6 | PA0 | Digital_IO | Signal terminal PA0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA0. Supported peripheral buses: UART, ADC, RTC/CLK. |
| D7 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |
| E1 | PB14 | Digital_IO | Signal terminal PB14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB14. Supported peripheral buses: UART, ADC. |
| E2 | PB13 | Digital_IO | Signal terminal PB13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB13. Supported peripheral buses: UART, ADC. |
| E3 | PC5 | Digital_IO | Signal terminal PC5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC5. Supported peripheral buses: ADC. |
| E4 | PA6 | Digital_IO | Signal terminal PA6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA6. Supported peripheral buses: SPI, ADC, DAC. |
| E5 | PA3 | Digital_IO | Signal terminal PA3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: UART, ADC, PWM. |
| E6 | VDDA | Power_In | Primary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| E7 | VSSA/VREF- | GND | 0V electrical ground return terminal (VSSA/VREF-) for internal core logic, I/O drivers, and analog sub-blocks. |
| F1 | PB12 | Digital_IO | Signal terminal PB12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB12. Supported peripheral buses: ADC. |
| F2 | PB2 | Digital_IO | Signal terminal PB2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB2. Supported peripheral buses: ADC. |
| F3 | PB0 | Digital_IO | Signal terminal PB0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: ADC, PWM. |
| F4 | PA7 | Digital_IO | Signal terminal PA7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA7. Supported peripheral buses: SPI, ADC, PWM. |
| F5 | PA4 | Digital_IO | Signal terminal PA4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA4. Supported peripheral buses: SPI, ADC, DAC, PWM. |
| F6 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| F7 | VREF+ | Analog | Signal terminal VREF+ (Analog, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VREF+. Supported peripheral buses: General. |
| G1 | PB11 | Digital_IO | Signal terminal PB11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB11. Supported peripheral buses: UART, PWM. |
| G2 | PB10 | Digital_IO | Signal terminal PB10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB10. Supported peripheral buses: UART, PWM. |
| G3 | PB1 | Digital_IO | Signal terminal PB1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: ADC, PWM. |
| G4 | PC4 | Digital_IO | Signal terminal PC4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC4. Supported peripheral buses: ADC. |
| G5 | PA5 | Digital_IO | Signal terminal PA5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA5. Supported peripheral buses: SPI, ADC, DAC. |
| G6 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| G7 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: UART, ADC, PWM, RTC/CLK. |