Mechanical Dimensions & Land Pattern (LGA-76(8x12.5))
Extracted from Datasheet & IPC-7351B NormalizedRecommended 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 LGA-76(8x12.5) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32WBA5MMGH6TR (LGA-76(8x12.5))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32WBA5MMGH6TR (LGA-76(8x12.5))?
Manufactured by ST, the STM32WBA5MMGH6TR is housed in a LGA-76(8x12.5) package with 76 pins and a 0.50 mm lead pitch. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (GND: Ground Reference Pin (GND)), 3 (GND: Ground Reference Pin (GND)), 4 (GND: Ground Reference Pin (GND)), 5 (GND: Ground Reference Pin (GND)), 6 (GND: Ground Reference Pin (GND)).
What are the IPC-7351B PCB Footprint dimensions for STM32WBA5MMGH6TR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32WBA5MMGH6TR (LGA-76(8x12.5)) has a nominal body envelope of 8.00 × 12.50 mm, pitch e = 0.50 mm, and 76 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32WBA5MMGH6TR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32WBA5MMGH6TR (ST, LGA-76(8x12.5)) 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 (76 pins) & STM32WBA5MMG Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 2 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 3 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 4 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 5 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 6 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 7 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: General. |
| 8 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA9. Supported peripheral buses: General. |
| 9 | PB14 | Digital_IO | Signal terminal PB14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB14. Supported peripheral buses: General. |
| 10 | PB13 | Digital_IO | Signal terminal PB13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB13. Supported peripheral buses: General. |
| 11 | PB12 | Digital_IO | Signal terminal PB12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB12. Supported peripheral buses: General. |
| 12 | PB11 | Digital_IO | Signal terminal PB11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB11. Supported peripheral buses: General. |
| 13 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: General. |
| 14 | PA7 | Digital_IO | Signal terminal PA7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA7. Supported peripheral buses: General. |
| 15 | PA6 | Digital_IO | Signal terminal PA6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA6. Supported peripheral buses: General. |
| 16 | PA4 | Digital_IO | Signal terminal PA4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA4. Supported peripheral buses: General. |
| 17 | PA3 | Digital_IO | Signal terminal PA3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: General. |
| 18 | PA0 | Digital_IO | Signal terminal PA0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA0. Supported peripheral buses: General. |
| 19 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 20 | VDDA | Power_In | Primary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 21 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 22 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 23 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 24 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: General. |
| 25 | PA2 | Digital_IO | Signal terminal PA2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: General. |
| 26 | PB9 | Digital_IO | Signal terminal PB9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB9. Supported peripheral buses: General. |
| 27 | PA5 | Digital_IO | Signal terminal PA5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA5. Supported peripheral buses: General. |
| 28 | PC13 | Digital_IO | Signal terminal PC13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC13. Supported peripheral buses: General. |
| 29 | PB8 | Digital_IO | Signal terminal PB8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB8. Supported peripheral buses: General. |
| 30 | PB6 | Digital_IO | Signal terminal PB6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: General. |
| 31 | PB7 | Digital_IO | Signal terminal PB7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: General. |
| 32 | PB3 | Digital_IO | Signal terminal PB3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB3. Supported peripheral buses: General. |
| 33 | PB5 | Digital_IO | Signal terminal PB5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB5. Supported peripheral buses: General. |
| 34 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA15. Supported peripheral buses: General. |
| 35 | PB4 | Digital_IO | Signal terminal PB4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB4. Supported peripheral buses: General. |
| 36 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 37 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: General. |
| 38 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: General. |
| 39 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: General. |
| 40 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA11. Supported peripheral buses: General. |
| 41 | PB2 | Digital_IO | Signal terminal PB2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB2. Supported peripheral buses: General. |
| 42 | PB1 | Digital_IO | Signal terminal PB1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: General. |
| 43 | PB0 | Digital_IO | Signal terminal PB0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: General. |
| 44 | PB15 | Digital_IO | Signal terminal PB15 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB15. Supported peripheral buses: General. |
| 45 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 46 | BOOT0 | Digital_IO | Signal terminal BOOT0 (I, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BOOT0. Supported peripheral buses: General. |
| 47 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 48 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |
| 49 | GND | GND | Bottom exposed die attach pad (GND) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |
| 50 | ANT_OUT | RF_50Ohm | Signal terminal ANT_OUT (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: ANT_OUT. Supported peripheral buses: General. |
| 51 | ANT_IN | RF_50Ohm | Signal terminal ANT_IN (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: ANT_IN. Supported peripheral buses: General. |
| 52 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 53 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 54 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 55 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 56 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 57 | GND | GND | Bottom exposed die attach pad (GND) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |
| 58 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 59 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 60 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 61 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 62 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 63 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 64 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |



