# STM32F730R8T6

**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

STM32F730R8T6 from STMicroelectronics, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Battery supply voltage for backup domain, RTC, and 32×32 bit backup registers (1.7 V to 3.6 V). |
| 2 | PC13 | bidirectional | General-purpose I/O port C pin 13, 5V tolerant, with RTC tamper and output functions. |
| 3 | PC14-OSC32_IN | bidirectional | OSC32_IN: 32 kHz oscillator input pin, 5V tolerant. |
| 4 | PC15-OSC32_OUT | bidirectional | OSC32_OUT: 32 kHz oscillator output pin, 5V tolerant. |
| 5 | PH0-OSC_IN | bidirectional | OSC_IN: Main crystal oscillator input pin, 5V tolerant. |
| 6 | PH1-OSC_OUT | bidirectional | OSC_OUT: Main crystal oscillator output pin, 5V tolerant. |
| 7 | NRST | input | Active-low asynchronous reset input with internal weak pull-up resistor. |
| 8 | PC0 | bidirectional | General-purpose I/O port C pin 0, 5V tolerant, with ADC3_IN10 and SAI2_FS_B alternate functions. |
| 9 | PC1 | bidirectional | General-purpose I/O port C pin 1, 5V tolerant, with SPI2_MOSI and SAI1_SD_A alternate functions. |
| 10 | PC2 | bidirectional | General-purpose I/O port C pin 2, 5V tolerant, with SPI2_MISO and OTG_HS_ULPI_DIR alternate functions. |
| 11 | PC3 | bidirectional | General-purpose I/O port C pin 3, 5V tolerant, with SPI2_MOSI and OTG_HS_ULPI_NXT alternate functions. |
| 12 | VSSA | power_in | Analog supply ground reference for ADC; must be connected to VSS through star point. |
| 13 | VDDA | power_in |  |
| 14 | PA0-WKUP | bidirectional | General-purpose I/O port A pin 0 with wakeup capability; supports TIM2/TIM5/TIM8/USART2/UART4. |
| 15 | PA1 | bidirectional | General-purpose I/O port A pin 1, 5V tolerant; supports TIM2_CH2/TIM5_CH2/USART2_RTS. |
| 16 | PA2 | bidirectional | General-purpose I/O port A pin 2, 5V tolerant; supports TIM2_CH3/TIM5_CH3/USART2_TX. |
| 17 | PA3 | bidirectional | General-purpose I/O port A pin 3, 5V tolerant, with OTG_HS_ULPI_D0 alternate function. |
| 18 | VSS | power_in | Ground reference. |
| 19 | VDD | power_in | Main digital supply voltage (1.7 V to 3.6 V). |
| 20 | PA4 | bidirectional | General-purpose I/O port A pin 4, 3.3V tolerant directly connected to ADC; DAC_OUT1. |
| 21 | PA5 | bidirectional | General-purpose I/O port A pin 5, 3.3V tolerant directly connected to ADC; DAC_OUT2. |
| 22 | PA6 | bidirectional | General-purpose I/O port A pin 6, 5V tolerant; supports TIM1_BKIN/TIM3_CH1/SPI1_MISO. |
| 23 | PA7 | bidirectional | General-purpose I/O port A pin 7, 5V tolerant; supports TIM1_CH1N/TIM3_CH2/SPI1_MOSI. |
| 24 | PC4 | bidirectional | General-purpose I/O port C pin 4, 5V tolerant; supports I2S1_MCK/FMC_SDNE0. |
| 25 | PB0 | bidirectional | General-purpose I/O port B pin 0, 5V tolerant, with OTG_HS_ULPI_D1 alternate function. |
| 26 | PB1 | bidirectional | General-purpose I/O port B pin 1, 5V tolerant, with OTG_HS_ULPI_D2 alternate function. |
| 27 | PB2 | bidirectional | General-purpose I/O port B pin 2, 5V tolerant; supports SAI1_SD_A/SPI3_MOSI/QUADSPI_CLK. |
| 28 | PB10 | bidirectional | General-purpose I/O port B pin 10, 5V tolerant with I2C Fm+ option; I2C2_SCL. |
| 29 | PB11 | bidirectional | General-purpose I/O port B pin 11, 5V tolerant with I2C Fm+ option; I2C2_SDA. |
| 30 | VCAP_1 | power_in | Decoupling capacitor connection for on-chip voltage regulator (typically 100 nF ceramic capacitor). |
| 31 | VSS | power_in | Ground reference. |
| 32 | VDD | power_in | Main digital supply voltage (1.7 V to 3.6 V). |
| 33 | PB12 | bidirectional | General-purpose I/O port B pin 12, 5V tolerant; supports TIM1_BKIN/I2C2_SMBA/SPI2_NSS. |
| 34 | PB13 | bidirectional | General-purpose I/O port B pin 13, 5V tolerant; supports TIM1_CH1N/SPI2_SCK. |
| 35 | PB14 | bidirectional | General-purpose I/O port B pin 14, 5V tolerant; supports TIM1_CH2N/SPI2_MISO. |
| 36 | PB15 | bidirectional | General-purpose I/O port B pin 15, 5V tolerant; supports RTC_REFIN/TIM1_CH3N/SPI2_MOSI. |
| 37 | PC6 | bidirectional | General-purpose I/O port C pin 6, 5V tolerant; supports TIM3_CH1/TIM8_CH1/USART6_TX. |
| 38 | PC7 | bidirectional | General-purpose I/O port C pin 7, 5V tolerant; supports TIM3_CH2/TIM8_CH2/USART6_RX. |
| 39 | PC8 | bidirectional | General-purpose I/O port C pin 8, 5V tolerant; supports TRACED1/TIM3_CH3/UART5_RTS. |
| 40 | PC9 | bidirectional | General-purpose I/O port C pin 9, 5V tolerant with I2C Fm+ option; MCO2/TIM3_CH4/I2C3_SDA. |
| 41 | PA8 | bidirectional | General-purpose I/O port A pin 8, 5V tolerant with I2C Fm+ option; MCO1/TIM1_CH1/USART1_CK. |
| 42 | PA9 | bidirectional | General-purpose I/O port A pin 9, 5V tolerant; supports TIM1_CH2/I2C3_SMBA/USART1_TX. |
| 43 | PA10 | bidirectional | General-purpose I/O port A pin 10, 5V tolerant; supports TIM1_CH3/USART1_RX. |
| 44 | PA11 | bidirectional | General-purpose I/O port A pin 11, 5V tolerant; supports TIM1_CH4/USART1_CTS/CAN1_RX. |
| 45 | PA12 | bidirectional | General-purpose I/O port A pin 12, 5V tolerant; supports TIM1_ETR/USART1_RTS/CAN1_TX. |
| 46 | PA13 | bidirectional | General-purpose I/O port A pin 13, 5V tolerant; JTMS-SWDIO (JTAG/SWD interface). |
| 47 | VSS | power_in | Ground reference. |
| 48 | VDD | power_in | Main digital supply voltage (1.7 V to 3.6 V). |
| 49 | PA14 | bidirectional | General-purpose I/O port A pin 14, 5V tolerant; JTCK-SWCLK (JTAG/SWD interface). |
| 50 | PA15 | bidirectional | General-purpose I/O port A pin 15, 5V tolerant; JTDI/TIM2_CH1/SPI1_NSS. |
| 51 | PC10 | bidirectional | General-purpose I/O port C pin 10, 5V tolerant; supports SPI3_SCK/USART3_TX. |
| 52 | PC11 | bidirectional | General-purpose I/O port C pin 11, 5V tolerant; supports SPI3_MISO/USART3_RX. |
| 53 | PC12 | bidirectional | General-purpose I/O port C pin 12, 5V tolerant; supports TRACED3/SPI3_MOSI/USART3_CK. |
| 54 | PD2 | bidirectional | General-purpose I/O port D pin 2, 5V tolerant; supports TRACED2/TIM3_ETR/UART5_RX. |
| 55 | PB3 | bidirectional | General-purpose I/O port B pin 3, 5V tolerant; JTDO/TRACESWO/TIM2_CH2/SPI1_SCK. |
| 56 | PB4 | bidirectional | General-purpose I/O port B pin 4, 5V tolerant; NJTRST/TIM3_CH1/SPI1_MISO. |
| 57 | PB5 | bidirectional | General-purpose I/O port B pin 5, 5V tolerant; supports TIM3_CH2/I2C1_SMBA/SPI1_MOSI. |
| 58 | PB6 | bidirectional | General-purpose I/O port B pin 6, 5V tolerant with I2C Fm+ option; TIM4_CH1/I2C1_SCL/USART1_TX. |
| 59 | PB7 | bidirectional | General-purpose I/O port B pin 7, 5V tolerant with I2C Fm+ option; TIM4_CH2/I2C1_SDA/USART1_RX. |
| 60 | BOOT0 | input | Boot mode selection pin; selects boot from embedded flash memory (high) or system memory (low); VPP for flash programming. |
| 61 | PB8 | bidirectional | General-purpose I/O port B pin 8, 5V tolerant with I2C Fm+ option; TIM4_CH3/I2C1_SCL/CAN1_RX. |
| 62 | PB9 | bidirectional | General-purpose I/O port B pin 9, 5V tolerant with I2C Fm+ option; TIM4_CH4/I2C1_SDA/CAN1_TX. |
| 63 | VSS | power_in | Ground reference. |
| 64 | VDD | power_in | Main digital supply voltage (1.7 V to 3.6 V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |

## CAD (KiCad official)

- Symbol: `STM32F730R8T6`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `stm32f730r8t6-etched.step` / `stm32f730r8t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f730r8t6.step` / `stm32f730r8t6.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884720469872640) (201 pp, sha256 `f8ba96693efbfec2`, retrieved 2026-09-29, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/stm32f730r8t6-datasheet.pdf)