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STM32WB55RGV7TR (VFQFPN-68(8x8)) — Symbol, Footprint IPC-7351B & 3D STEP Model

STM32WB55RGV7TR

STID: C2152044VFQFPN-68(8x8) · 69 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 · STM32WB55RGV7TR (VFQFPN-68(8x8))1VBAT2PC14OSC32 IN3PC15OSC32 OU4PH3 BOOT0 -5PB86PB97NRST8VDDA9PA010PA111PA212PA313PA414PA515PA616PA717PA818PA919PB220VDD21RF122VSSRF23VDDRF24OSC_OUT25OSC_IN26AT027AT128PB029PB130PE431VFBSMPS32VSSSMPS33VLXSMPS34VDDSMPS35VDD69EP68VDD67PB766PB665PB564PB4 (NJTRST)63PB3 (JTDO)62PD161PD060PC1259PC1158PC1057PA15 (JTDI)56PA14 (JTCK S55VDDUSB54PA13 (JTMS S53PA1252PA1151PA1050PC649PB1548VDD47PB746PB645PB544PB4(NJTRST)43PB3(JTDO)42PA15(JTDI)41PA14 (JTCKSW40VDDUSB39PA13 (JTMSSW38PA1237PA1136PA10Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.850.845.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7-50.8mm
2. 2D FOOTPRINT
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869E=8.00mm · Pitch e=0.40mmD=8.07mm-6-5-4-3-2-101234566543210-1-2-3-4-5-6mm
3. 3D CAD MODEL
Package Body: 8.00mm × 8.07mm · Pitch: 0.40mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (69/69)

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))
2PC14OSC32 IN -_I/OMultiplexed I/O & Peripheral Pin PC14OSC32 IN -_ (RTC/CLK)
3PC15OSC32 OUT -_I/OMultiplexed I/O & Peripheral Pin PC15OSC32 OUT -_ (RTC/CLK)
4PH3 BOOT0 -I/OMultiplexed I/O & Peripheral Pin PH3 BOOT0 - (General)
5PB8I/OMultiplexed I/O & Peripheral Pin PB8 (I2C)
6PB9I/OMultiplexed I/O & Peripheral Pin PB9 (SPI, I2C)
7NRSTISystem Enable & Hardware Reset (NRST)
8VDDAPowerPower Supply Input (VDDA — 3.3V VDD (Max 4.0V))
9PA0I/OMultiplexed I/O & Peripheral Pin PA0 (PWM, RTC/CLK)
10PA1I/OMultiplexed I/O & Peripheral Pin PA1 (I2C)
11PA2I/OMultiplexed I/O & Peripheral Pin PA2 (General)
12PA3I/OMultiplexed I/O & Peripheral Pin PA3 (General)
13PA4I/OMultiplexed I/O & Peripheral Pin PA4 (SPI)
14PA5I/OMultiplexed I/O & Peripheral Pin PA5 (General)
15PA6I/OMultiplexed I/O & Peripheral Pin PA6 (UART, ADC)
16PA7I/OMultiplexed I/O & Peripheral Pin PA7 (I2C, ADC)
17PA8I/OMultiplexed I/O & Peripheral Pin PA8 (UART, ADC, RTC/CLK)
18PA9I/OMultiplexed I/O & Peripheral Pin PA9 (SPI, I2C)
19PB2I/OMultiplexed I/O & Peripheral Pin PB2 (I2C, RTC/CLK)
20VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
21RF1I/OMultiplexed I/O & Peripheral Pin RF1 (General)
22VSSRFGNDGround Reference Pin (VSSRF)
23VDDRFPowerPower Supply Input (VDDRF — 3.3V VDD (Max 4.0V))
24OSC_OUTI/OMultiplexed I/O & Peripheral Pin OSC_OUT (RTC/CLK)
25OSC_INI/OMultiplexed I/O & Peripheral Pin OSC_IN (RTC/CLK)
26AT0I/OMultiplexed I/O & Peripheral Pin AT0 (General)
27AT1I/OMultiplexed I/O & Peripheral Pin AT1 (General)
28PB0I/OMultiplexed I/O & Peripheral Pin PB0 (General)
29PB1I/OMultiplexed I/O & Peripheral Pin PB1 (UART)
30PE4I/OMultiplexed I/O & Peripheral Pin PE4 (General)
31VFBSMPSI/OMultiplexed I/O & Peripheral Pin VFBSMPS (General)
32VSSSMPSGNDGround Reference Pin (VSSSMPS)
33VLXSMPSI/OMultiplexed I/O & Peripheral Pin VLXSMPS (General)
34VDDSMPSPowerPower Supply Input (VDDSMPS — 3.3V VDD (Max 4.0V))
35VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
36PA10I/OMultiplexed I/O & Peripheral Pin PA10 (USB, I2C)
37PA11I/OMultiplexed I/O & Peripheral Pin PA11 (USB, SPI, PWM)
38PA12I/OMultiplexed I/O & Peripheral Pin PA12 (USB, UART)
39PA13 (JTMSSWDIO) -I/OMultiplexed I/O & Peripheral Pin PA13 (JTMSSWDIO) - (USB, SWD/JTAG)
40VDDUSBPowerPower Supply Input (VDDUSB — 3.3V VDD (Max 4.0V))
41PA14 (JTCKSWCLK) -I/OMultiplexed I/O & Peripheral Pin PA14 (JTCKSWCLK) - (I2C, SWD/JTAG)
42PA15(JTDI)I/OMultiplexed I/O & Peripheral Pin PA15(JTDI) (SPI, SWD/JTAG)
43PB3(JTDO)I/OMultiplexed I/O & Peripheral Pin PB3(JTDO) (UART, SPI, SWD/JTAG)
44PB4(NJTRST)I/OMultiplexed I/O & Peripheral Pin PB4(NJTRST) (UART, SPI, I2C, SWD/JTAG)
45PB5I/OMultiplexed I/O & Peripheral Pin PB5 (SPI)
46PB6I/OMultiplexed I/O & Peripheral Pin PB6 (UART)
47PB7I/OMultiplexed I/O & Peripheral Pin PB7 (UART)
48VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
49PB15I/OMultiplexed I/O & Peripheral Pin PB15 (SPI, RTC/CLK)
50PC6I/OMultiplexed I/O & Peripheral Pin PC6 (General)
51PA10I/OMultiplexed I/O & Peripheral Pin PA10 (USB, I2C)
52PA11I/OMultiplexed I/O & Peripheral Pin PA11 (USB, SPI, PWM)
53PA12I/OMultiplexed I/O & Peripheral Pin PA12 (UART)
54PA13 (JTMS SWDIO)_I/OMultiplexed I/O & Peripheral Pin PA13 (JTMS SWDIO)_ (USB, SWD/JTAG)
55VDDUSBPowerPower Supply Input (VDDUSB — 3.3V VDD (Max 4.0V))
56PA14 (JTCK SWCLK)_I/OMultiplexed I/O & Peripheral Pin PA14 (JTCK SWCLK)_ (I2C, SWD/JTAG)
57PA15 (JTDI)I/OMultiplexed I/O & Peripheral Pin PA15 (JTDI) (SPI, SWD/JTAG)
58PC10I/OMultiplexed I/O & Peripheral Pin PC10 (General)
59PC11I/OMultiplexed I/O & Peripheral Pin PC11 (General)
60PC12I/OMultiplexed I/O & Peripheral Pin PC12 (RTC/CLK)
61PD0I/OMultiplexed I/O & Peripheral Pin PD0 (SPI)
62PD1I/OMultiplexed I/O & Peripheral Pin PD1 (SPI)
63PB3 (JTDO)I/OMultiplexed I/O & Peripheral Pin PB3 (JTDO) (UART, PWM, SWD/JTAG)
64PB4 (NJTRST)I/OMultiplexed I/O & Peripheral Pin PB4 (NJTRST) (SPI, I2C, SWD/JTAG)
65PB5I/OMultiplexed I/O & Peripheral Pin PB5 (SPI)
66PB6I/OMultiplexed I/O & Peripheral Pin PB6 (UART)
67PB7I/OMultiplexed I/O & Peripheral Pin PB7 (I2C)
68VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
69EPGNDExposed Thermal & Ground Pad (EP)
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 + 13 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: STM32WB55RGV7TR (ST · VFQFPN-68(8x8))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 2. Standard Pinout (Top View)
True package pinout (69 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 4. Package Dimensions (D×E×A)
VFQFPN-68(8x8) · 8.00×8.07mm · Pitch 0.40mmExpand ›
5. Recommended Land PatternLAND PATTERN
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 5. Recommended Land Pattern
IPC-7351B Footprint (69 Pads)Expand ›
6. Application SchematicSCHEMATIC
STM32WB55RGV7TR (VFQFPN-68(8x8)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (13 figures · Page 1/2)
Showing 1–12 of 13 uncropped original figures for STM32WB55 / STM32WB35
P58 · p58_fig01EXACT PACKAGE
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 10. STM32WB55Cx and STM32WB35Cx UFQFPN48 pinout(1)(2)
Figure 10. STM32WB55Cx and STM32WB35Cx UFQFPN48 pinout(1)(2)
P58 · p58_fig02EXACT PACKAGE
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 11. STM32WB55Rx VFQFPN68 pinout(1)(2)
Figure 11. STM32WB55Rx VFQFPN68 pinout(1)(2)
P177 · p177_fig01EXACT PACKAGE
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 44. VFQFPN68 package outline
Figure 44. VFQFPN68 package outline
P177 · p177_fig02EXACT PACKAGE
STM32WB55RGV7TR (VFQFPN-68(8x8)) — DS11929 Rev 10 177/193 | 185 | 2. The pin #1 identifier must be existed on the top surface of the package by using indentation mark or other feature of package body. Exact shape and size of this feature is optional. | Table 104. VFQFPN68 me
DS11929 Rev 10 177/193 | 185 | 2. The pin #1 identifier must be existed on the top surface of the package by using indentation mark or other feature of package body. Exact shape and size of this feature is optional. | Table 104. VFQFPN68 me
P178 · p178_fig01EXACT PACKAGE
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 45. VFQFPN68 recommended footprint
Figure 45. VFQFPN68 recommended footprint
P1 · p01_fig01881×760px
STM32WB55RGV7TR (VFQFPN-68(8x8)) — STM32WB55xx STM32WB35xx Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4
STM32WB55xx STM32WB35xx Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4
P27 · p27_fig011752×1125px
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 5. Power distribution
Figure 5. Power distribution
P82 · p82_fig011546×1971px
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 16. Power supply scheme (all packages except UFBGA129 and WLCSP100)
Figure 16. Power supply scheme (all packages except UFBGA129 and WLCSP100)
P82 · p82_fig01P82
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Datasheet Page 82 (p82_fig01)
Datasheet Page 82 (p82_fig01)
P83 · p83_fig011546×2053px
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 17. Power supply scheme (UFBGA129 and WLCSP100 packages)
Figure 17. Power supply scheme (UFBGA129 and WLCSP100 packages)
P178 · p178_fig01P178
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Datasheet Page 178 (p178_fig01)
Datasheet Page 178 (p178_fig01)
P181 · p181_fig011546×999px
STM32WB55RGV7TR (VFQFPN-68(8x8)) — Figure 48. UFQFPN48 recommended footprint
Figure 48. UFQFPN48 recommended footprint
Page 1 / 2 (13 extracted figures)

Technical Specifications & Part Details (STM32WB55RGV7TR)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Embedded Microcontroller Unit (MCU)
Detailed Overview:STM32WB55RGV7TR (VFQFPN-68(8x8)) is a 68-pin embedded microcontroller unit (mcu) featuring a 8.07 × 8.00 × 1.00 mm mechanical envelope (lead pitch e = 0.40 mm). Rated for 3.0V ~ 3.6V (Typ 3.3V) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated Bluetooth / BLE, USB, UART, SPI, I2C, ADC, JTAG / SWD, IrDA, PWM, RTC/CLK, SWD/JTAG interfaces.
Operating Supply VoltageV_CC / V_DD
3.0V ~ 3.6V (Typ 3.3V)
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
2.4 GHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
46 5V-tolerant (FT) pins detected
Package Envelope (D × E × A)D × E × A
8.07 × 8.00 × 1.00 mm (A1=0.04 mm)
Package family: QFN (VFQFPN-68(8x8))
Pin Count & Lead PitchN / e
68 Pins | Pitch e = 0.40 mm (15.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
Bluetooth / BLE, USB, UART, SPI, I2C, ADC, JTAG / SWD, IrDA, PWM, 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 (PH3 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 Symbol69 auto-grouped pins
OK
IPC-7351B Land Pattern69 pads · Pitch 0.40mm
OK
IPC-7525 60% Solder PasteEPAD 6.40×6.40mm windowed grid
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 (VFQFPN-68(8x8))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
8.07 × 8.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.00mm · e=0.40mm
Pad Size (W × L)Level B
0.25 × 0.65 mm
Pins / Total PadsTopology
69P / 69Pad (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
VFQFPN-68(8x8)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — STM32WB55RGV7TR (VFQFPN-68(8x8))

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 STM32WB55RGV7TR (VFQFPN-68(8x8))?

Manufactured by ST, the STM32WB55RGV7TR is housed in a VFQFPN-68(8x8) package with 69 pins and a 0.40 mm lead pitch. Key pins include: 1 (VBAT: Power Supply Input (VBAT — 3.3V VDD (Max 4.0V))), 2 (PC14OSC32 IN -_: Multiplexed I/O & Peripheral Pin PC14OSC32 IN -_ (RTC/CLK)), 3 (PC15OSC32 OUT -_: Multiplexed I/O & Peripheral Pin PC15OSC32 OUT -_ (RTC/CLK)), 4 (PH3 BOOT0 -: Multiplexed I/O & Peripheral Pin PH3 BOOT0 - (General)), 5 (PB8: Multiplexed I/O & Peripheral Pin PB8 (I2C)), 6 (PB9: Multiplexed I/O & Peripheral Pin PB9 (SPI, I2C)).

What are the IPC-7351B PCB Footprint dimensions for STM32WB55RGV7TR?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32WB55RGV7TR (VFQFPN-68(8x8)) has a nominal body envelope of 8.00 × 8.07 mm, pitch e = 0.40 mm, and 69 copper pads plus a central exposed thermal pad (EPAD) of 6.40 × 6.40 mm with a 60% IPC-7525 windowed solder paste grid.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32WB55RGV7TR?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32WB55RGV7TR (ST, VFQFPN-68(8x8)) 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 (69 pins) & STM32WB55 / STM32WB35 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).
2PC14OSC32 IN -_Digital_IOSignal terminal PC14OSC32 IN -_ (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC14OSC32 IN -_. Supported peripheral buses: RTC/CLK.
3PC15OSC32 OUT -_Digital_IOSignal terminal PC15OSC32 OUT -_ (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC15OSC32 OUT -_. Supported peripheral buses: RTC/CLK.
4PH3 BOOT0 -Digital_IOSignal terminal PH3 BOOT0 - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH3 BOOT0 -. Supported peripheral buses: General.
5PB8Digital_IOSignal terminal PB8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB8. Supported peripheral buses: I2C.
6PB9Digital_IOSignal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SDA, SPI2_NSSIROUT. Supported peripheral buses: SPI, I2C.
7NRSTDigital_IOActive-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals.
8VDDAPower_InPrimary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
9PA0Digital_IOSignal terminal PA0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA0. Supported peripheral buses: PWM, RTC/CLK.
10PA1Digital_IOSignal terminal PA1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: I2C.
11PA2Digital_IOSignal terminal PA2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: General.
12PA3Digital_IOSignal terminal PA3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: General.
13PA4Digital_IOSignal terminal PA4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS_SAI1FSB. Supported peripheral buses: SPI.
14PA5Digital_IOSignal terminal PA5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA5. Supported peripheral buses: General.
15PA6Digital_IOSignal terminal PA6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA6. Supported peripheral buses: UART, ADC.
16PA7Digital_IOSignal terminal PA7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA7. Supported peripheral buses: I2C, ADC.
17PA8Digital_IOSignal terminal PA8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: UART, ADC, RTC/CLK.
18PA9Digital_IOSignal terminal PA9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SCL, SPI2_SCKUSART1TX. Supported peripheral buses: SPI, I2C.
19PB2Digital_IOSignal terminal PB2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB2. Supported peripheral buses: I2C, RTC/CLK.
20VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
21RF1RF_50OhmSignal terminal RF1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: RF1. Supported peripheral buses: General.
22VSSRFGND0V electrical ground return terminal (VSSRF) for internal core logic, I/O drivers, and analog sub-blocks.
23VDDRFPower_InPrimary positive power supply input (VDDRF) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
24OSC_OUTDigital_IOSignal terminal OSC_OUT (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: OSC_OUT. Supported peripheral buses: RTC/CLK.
25OSC_INDigital_IOSignal terminal OSC_IN (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: OSC_IN. Supported peripheral buses: RTC/CLK.
26AT0Digital_IOSignal terminal AT0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: AT0. Supported peripheral buses: General.
27AT1Digital_IOSignal terminal AT1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: AT1. Supported peripheral buses: General.
28PB0Digital_IOSignal terminal PB0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: General.
29PB1Digital_IOSignal terminal PB1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: UART.
30PE4Digital_IOSignal terminal PE4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE4. Supported peripheral buses: General.
31VFBSMPSDigital_IOSignal terminal VFBSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VFBSMPS. Supported peripheral buses: General.
32VSSSMPSGND0V electrical ground return terminal (VSSSMPS) for internal core logic, I/O drivers, and analog sub-blocks.
33VLXSMPSDigital_IOSignal terminal VLXSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VLXSMPS. Supported peripheral buses: General.
34VDDSMPSPower_InPrimary positive power supply input (VDDSMPS) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
35VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
36PA10Digital_IOSignal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: USB, I2C.
37PA11Digital_IOSignal terminal PA11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISOUSART1CTS. Supported peripheral buses: USB, SPI, PWM.
38PA12Digital_IOSignal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: USB, UART.
39PA13 (JTMSSWDIO) -Digital_IOSignal terminal PA13 (JTMSSWDIO) - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13 (JTMSSWDIO) -. Supported peripheral buses: USB, SWD/JTAG.
40VDDUSBPower_InPrimary positive power supply input (VDDUSB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
41PA14 (JTCKSWCLK) -Digital_IOSignal terminal PA14 (JTCKSWCLK) - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14 (JTCKSWCLK) -. Supported peripheral buses: I2C, SWD/JTAG.
42PA15(JTDI)Digital_IOSignal terminal PA15(JTDI) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS_CM4EVENTOUTMCO. Supported peripheral buses: SPI, SWD/JTAG.
43PB3(JTDO)Digital_IOSignal terminal PB3(JTDO) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK_USART1RTSDE. Supported peripheral buses: UART, SPI, SWD/JTAG.
44PB4(NJTRST)Digital_IOSignal terminal PB4(NJTRST) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SDA, SPI1_MISO. Supported peripheral buses: UART, SPI, I2C, SWD/JTAG.
45PB5Digital_IOSignal terminal PB5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MOSIUSART1CK. Supported peripheral buses: SPI.
46PB6Digital_IOSignal terminal PB6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: UART.
47PB7Digital_IOSignal terminal PB7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: UART.
48VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
49PB15Digital_IOSignal terminal PB15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI_TSCG1IO4. Supported peripheral buses: SPI, RTC/CLK.
50PC6Digital_IOSignal terminal PC6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC6. Supported peripheral buses: General.
51PA10Digital_IOSignal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: USB, I2C.
52PA11Digital_IOSignal terminal PA11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISOUSART1CTS. Supported peripheral buses: USB, SPI, PWM.
53PA12Digital_IOSignal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: UART.
54PA13 (JTMS SWDIO)_Digital_IOSignal terminal PA13 (JTMS SWDIO)_ (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13 (JTMS SWDIO)_. Supported peripheral buses: USB, SWD/JTAG.
55VDDUSBPower_InPrimary positive power supply input (VDDUSB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
56PA14 (JTCK SWCLK)_Digital_IOSignal terminal PA14 (JTCK SWCLK)_ (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14 (JTCK SWCLK)_. Supported peripheral buses: I2C, SWD/JTAG.
57PA15 (JTDI)Digital_IOSignal terminal PA15 (JTDI) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS_TSCG3IO1. Supported peripheral buses: SPI, SWD/JTAG.
58PC10Digital_IOSignal terminal PC10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC10. Supported peripheral buses: General.
59PC11Digital_IOSignal terminal PC11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC11. Supported peripheral buses: General.
60PC12Digital_IOSignal terminal PC12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC12. Supported peripheral buses: RTC/CLK.
61PD0Digital_IOSignal terminal PD0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSSCM4EVENTOUT. Supported peripheral buses: SPI.
62PD1Digital_IOSignal terminal PD1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCKCM4EVENTOUT. Supported peripheral buses: SPI.
63PB3 (JTDO)Digital_IOSignal terminal PB3 (JTDO) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB3 (JTDO). Supported peripheral buses: UART, PWM, SWD/JTAG.
64PB4 (NJTRST)Digital_IOSignal terminal PB4 (NJTRST) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SDA, SPI1_MISOUSART1CTS. Supported peripheral buses: SPI, I2C, SWD/JTAG.
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