Mechanical Dimensions & Land Pattern (TFBGA-216)
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 TFBGA-216 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32H7A3NIH6Q (TFBGA-216)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32H7A3NIH6Q (TFBGA-216)?
Manufactured by ST, the STM32H7A3NIH6Q is housed in a TFBGA-216 package with 216 pins and a 0.80 mm lead pitch. Key pins include: A1 (PA1: Multiplexed I/O & Peripheral Pin PA1 (General)), A2 (PA2: Multiplexed I/O & Peripheral Pin PA2 (General)), A3 (PA3: Multiplexed I/O & Peripheral Pin PA3 (General)), A4 (-: Multiplexed I/O & Peripheral Pin - (UART, SPI)), A5 (-: Multiplexed I/O & Peripheral Pin - (General)), A6 (97: Multiplexed I/O & Peripheral Pin 97 (UART)).
What are the IPC-7351B PCB Footprint dimensions for STM32H7A3NIH6Q?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H7A3NIH6Q (TFBGA-216) has a nominal body envelope of 13.00 × 13.00 mm, pitch e = 0.80 mm, and 216 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32H7A3NIH6Q?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H7A3NIH6Q (ST, TFBGA-216) 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 (216 pins) & STM32H7A3IIT / STM32H7A3IIK / STM32H7A3ZIT Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: General. |
| A2 | PA2 | Digital_IO | Signal terminal PA2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: General. |
| A3 | PA3 | Digital_IO | Signal terminal PA3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: General. |
| A4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_MOSI. Supported peripheral buses: UART, SPI. |
| A5 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| A6 | 97 | Digital_IO | Signal terminal 97 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 97. Supported peripheral buses: UART. |
| A7 | 95 | Digital_IO | Signal terminal 95 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 95. Supported peripheral buses: UART, I2C. |
| A8 | 91 | Digital_IO | Signal terminal 91 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_MOSI, SPI1_SDOI2C4, SPI3_SDOSPI6MOSI. Supported peripheral buses: UART, SPI, I2C. |
| A9 | 90 | Digital_IO | Signal terminal 90 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SDISPI3MISO, SPI2_NSS, SPI6_MISO. Supported peripheral buses: UART, SPI, SWD/JTAG. |
| A10 | 89 | Digital_IO | Signal terminal 89 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_CKSPI3SCK, SPI6_SCK. Supported peripheral buses: UART, SPI, PWM, SWD/JTAG. |
| A11 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART. |
| A12 | 81 | Digital_IO | Signal terminal 81 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3USART3. Supported peripheral buses: UART, SPI. |
| A13 | 78 | Digital_IO | Signal terminal 78 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_WSSPI3NSS, SPI6_NSS. Supported peripheral buses: UART, SPI, SWD/JTAG. |
| A14 | 77 | Digital_IO | Signal terminal 77 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 77. Supported peripheral buses: SWD/JTAG. |
| A15 | 71 | Digital_IO | Signal terminal 71 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 71. Supported peripheral buses: SWD/JTAG. |
| B1 | PB1 | Digital_IO | Signal terminal PB1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: General. |
| B2 | PB2 | Digital_IO | Signal terminal PB2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB2. Supported peripheral buses: General. |
| B3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_CKUSART6. Supported peripheral buses: UART, SPI. |
| B4 | 96 | Digital_IO | Signal terminal 96 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SDA. Supported peripheral buses: UART, I2C. |
| B5 | 93 | Digital_IO | Signal terminal 93 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SDAUSAR. Supported peripheral buses: I2C. |
| B6 | 92 | Digital_IO | Signal terminal 92 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SCL. Supported peripheral buses: UART, I2C. |
| B7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART, SPI. |
| B8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_CKSPDIFRX1. Supported peripheral buses: UART, SPI. |
| B9 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| B10 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| B11 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: SPI. |
| B12 | 82 | Digital_IO | Signal terminal 82 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 82. Supported peripheral buses: UART. |
| B13 | 80 | Digital_IO | Signal terminal 80 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MISO. Supported peripheral buses: UART, SPI. |
| B14 | 79 | Digital_IO | Signal terminal 79 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK. Supported peripheral buses: UART, SPI. |
| B15 | 70 | Digital_IO | Signal terminal 70 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI. |
| C1 | PC1 | Digital_IO | Signal terminal PC1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC1. Supported peripheral buses: General. |
| C2 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: RTC/CLK. |
| C3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C5 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C6 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_MISO. Supported peripheral buses: UART, SPI. |
| C8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_LCDG3. Supported peripheral buses: SPI. |
| C9 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C10 | 87 | Digital_IO | Signal terminal 87 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 87. Supported peripheral buses: UART. |
| C11 | 85 | Digital_IO | Signal terminal 85 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 85. Supported peripheral buses: UART, SPI. |
| C12 | 83 | Digital_IO | Signal terminal 83 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 83. Supported peripheral buses: General. |
| C13 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SDOFMCD27. Supported peripheral buses: SPI. |
| C14 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SDIFMCD26. Supported peripheral buses: SPI, PWM. |
| C15 | 69 | Digital_IO | Signal terminal 69 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSS. Supported peripheral buses: UART, SPI, PWM. |
| D1 | 6 | Digital_IO | Signal terminal 6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 6. Supported peripheral buses: RTC/CLK. |
| D2 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SDAOCTOSPIM. Supported peripheral buses: I2C. |
| D3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: PWM. |
| D4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: PWM. |
| D5 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D6 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: PWM. |
| D7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D9 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO. Supported peripheral buses: SPI. |
| D10 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D11 | 86 | Digital_IO | Signal terminal 86 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 86. Supported peripheral buses: UART. |
| D12 | 84 | Digital_IO | Signal terminal 84 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 84. Supported peripheral buses: UART. |
| D13 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: PWM. |
| D14 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_CKTIM8BKIN2. Supported peripheral buses: SPI. |
| D15 | 68 | Digital_IO | Signal terminal 68 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 68. Supported peripheral buses: UART, PWM. |
| E1 | 7 | Digital_IO | Signal terminal 7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 7. Supported peripheral buses: RTC/CLK. |
| E2 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SCLOCTOSPIM. Supported peripheral buses: I2C. |
| E3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| E4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |












