component
STM32WBA52CGU6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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STM32WBA52CGU6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · UFQFPN-48(7x7)
STM32WBA52CGU6 from STMicroelectronics, in a UFQFPN-48(7x7). 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 | PB12 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM2_CH1, TIM2_ETR, SPI1_RDY, USART1_TX, TSC_SYNC, TIM3_ETR and EVENTOUT. |
| 2 | PB11 | bidirectional | FT (5 V-tolerant) I/O; alternate functions LPTIM1_CH1, LPTIM1_ETR, LPUART1_TX and EVENTOUT. |
| 3 | PA8 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions MCO, TIM2_CH2, LPTIM1_CH2, SPI3_RDY, USART1_RX, TSC_G1_IO1 and EVENTOUT; additional function ADC4_IN1. |
| 4 | PA7 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O with analog switch function supplied by VDDA; alternate functions TIM2_CH3, I2C3_SDA, USART1_CTS, TSC_G1_IO2 and EVENTOUT; additional functions ADC4_IN2, WKUP8 and TAMP_IN1/TAMP_OUT2. |
| 5 | PA6 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O with analog switch function supplied by VDDA; alternate functions CSTOP, TIM2_CH4, I2C3_SCL, SPI3_RDY, USART1_RTS_DE, TSC_G1_IO3 and EVENTOUT; additional functions ADC4_IN3 and WKUP7. |
| 6 | VDDA | power_in | Analog supply; 1.62 V to 3.6 V when the ADC is used, and 0 V is permitted when the ADC is not used. |
| 7 | PA5 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions CSLEEP, TIM2_CH1, TIM2_ETR, SPI3_NSS, USART1_CK, TSC_G1_IO4, LPTIM2_ETR and EVENTOUT; additional functions ADC4_IN4 and WKUP6. |
| 8 | PA3 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions USART1_RTS_DE, TSC_G4_IO2, TIM16_CH1N and EVENTOUT; additional functions ADC4_IN6 and WKUP5. |
| 9 | PB10 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions USART1_CK, TSC_G4_IO3, TIM16_BKIN and EVENTOUT. |
| 10 | PA2 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_BKIN, TIM3_CH1, USART1_RTS_DE, LPUART1_TX, TSC_G4_IO4, TIM16_CH1 and EVENTOUT; additional functions ADC4_IN7, WKUP4 and LSCO. |
| 11 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 12 | PA1 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH1N, TIM3_CH2, SPI1_RDY, USART1_CK, LPUART1_RX, TSC_G2_IO1, LPTIM2_CH2, TIM17_CH1 and EVENTOUT; additional functions ADC4_IN8 and WKUP3. |
| 13 | PA0 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions LPTIM1_IN1, TIM1_CH2N, TIM3_CH3, SPI3_SCK, LPUART1_CTS, TSC_G2_IO2, TIM3_ETR and EVENTOUT; additional functions ADC4_IN9 and WKUP1. |
| 14 | PB9 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions IR_OUT, TIM1_CH3N, TIM3_CH4, SPI3_MISO, LPUART1_RTS_DE, TSC_G2_IO3, LPTIM2_IN1, TIM16_CH1 and EVENTOUT; additional functions ADC4_IN10 and WKUP8. |
| 15 | PB8 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions LPTIM1_ETR, TIM1_CH1, USART2_RX, SPI3_MOSI, TSC_G2_IO4, TIM3_ETR, TIM16_CH1N and EVENTOUT; additional function PVD_IN. |
| 16 | PC15-OSC32_OUT | bidirectional | FT (5 V-tolerant) I/O; alternate function EVENTOUT and additional function OSC32_OUT (low-speed external crystal output). |
| 17 | PC14-OSC32_IN | bidirectional | FT (5 V-tolerant) I/O; alternate function EVENTOUT and additional function OSC32_IN (low-speed external crystal input). |
| 18 | PC13 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_BKIN2, TSC_G5_IO1 and EVENTOUT; additional functions WKUP2, RTC_TS/RTC_OUT1 and TAMP_IN4/TAMP_OUT5. |
| 19 | PB7 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH4N, TSC_G5_IO2 and EVENTOUT; additional functions WKUP5 and TAMP_IN5/TAMP_OUT4. |
| 20 | PB6 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM2_CH1, TIM2_ETR, TSC_G5_IO3 and EVENTOUT; additional function WKUP3. |
| 21 | PB5 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM3_CH1, LPUART1_TX, TSC_G5_IO4 and EVENTOUT. |
| 22 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 23 | PB4 | bidirectional | FT_a (5 V-tolerant) I/O; after reset it is configured for the JTAG/SWD function NJTRST with an internal pull-up enabled; alternate functions TIM1_CH3, LPTIM2_IN2, USART2_RX, SPI1_SCK, TSC_G3_IO1, TIM17_CH1 and EVENTOUT. |
| 24 | PB3 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O; after reset it is configured for JTDO/TRACESWO; alternate functions TIM1_CH4, LPTIM1_IN2, USART2_CK, I2C1_SDA, SPI1_MISO, TSC_G3_IO2, TIM17_CH1N and EVENTOUT. |
| 25 | PA15 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O; after reset it is configured for JTDI with an internal pull-up enabled; alternate functions TIM1_ETR, LPTIM1_CH2, USART2_RTS_DE, I2C1_SCL, SPI1_MOSI, TSC_G3_IO3, TIM17_BKIN and EVENTOUT. |
| 26 | PA14 | bidirectional | FT (5 V-tolerant) I/O; after reset it is configured for JTCK/SWCLK with an internal pull-down enabled; alternate functions USART2_TX and EVENTOUT; additional functions TAMP_IN3/TAMP_OUT6. |
| 27 | PA13 | bidirectional | FT (5 V-tolerant) I/O; after reset it is configured for JTMS/SWDIO with an internal pull-up enabled; alternate functions IR_OUT and EVENTOUT. |
| 28 | PA12 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH2, USART2_TX, SPI1_NSS, TSC_G3_IO4 and EVENTOUT; additional function WKUP6. |
| 29 | PA11 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM1_CH1, USART2_RX, LPTIM2_CH1 and EVENTOUT. |
| 30 | PB2 | bidirectional | FT_f (5 V-tolerant, Fm+ capable) I/O; alternate functions TIM1_CH1N, USART2_CTS, I2C1_SCL, I2C3_SCL and EVENTOUT; additional functions WKUP1 and RTC_OUT2. |
| 31 | PB1 | bidirectional | FT_f (5 V-tolerant, Fm+ capable) I/O; alternate functions TIM1_CH2N, USART2_RTS_DE, I2C1_SDA, I2C3_SDA and EVENTOUT; additional function WKUP4. |
| 32 | PB0 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM1_CH3N, LPTIM2_IN2, USART2_TX and EVENTOUT. |
| 33 | PB15 | bidirectional | TT (3.6 V-tolerant) I/O; alternate functions TIM1_BKIN2, USART2_CTS, I2C1_SMBA, I2C3_SMBA, LPUART1_CTS, TIM16_BKIN and EVENTOUT. |
| 34 | PH3-BOOT0 | bidirectional | TT (3.6 V-tolerant) I/O; BOOT0 pin with alternate function EVENTOUT and additional functions TAMP_IN2/TAMP_OUT1. |
| 35 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 36 | NRST | bidirectional | Bidirectional reset pin with a weak pull-up resistor (RST structure). |
| 37 | RF | bidirectional | 2.4 GHz RADIO RF I/O pin (RF I/O structure). |
| 38 | VDDHPA | power_in | Supply pin of the 2.4 GHz RADIO high-power amplifier domain, to be decoupled as shown in the power supply scheme (Figure 10, 470 nF). |
| 39 | VDDRF | power_in | RF operating supply, 1.71 V to 3.6 V; VDDRF and VDD must be connected to the same supply. |
| 40 | OSC_OUT | output | Oscillator output of the RF domain (RF structure) for the 32 MHz crystal oscillator. |
| 41 | OSC_IN | input | Oscillator input of the RF domain (RF structure) for the 32 MHz crystal oscillator. |
| 42 | VDDRFPA | power_in | RF power amplifier operating supply, 1.15 V to 3.6 V (may go to 0 V when the 2.4 GHz RADIO is inactive). |
| 43 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 44 | VCAP | power_out | Internal regulator (VCORE) output pin requiring the 4.7 µF decoupling capacitor shown in Figure 10. |
| 45 | PA10 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM3_CH1, LPUART1_RX and EVENTOUT. |
| 46 | PA9 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM3_CH2, LPUART1_RTS_DE and EVENTOUT. |
| 47 | PB14 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions RTC_REFIN, TIM3_CH3, USART1_TX, TSC_G6_IO1 and EVENTOUT; additional function WKUP7. |
| 48 | PB13 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM3_CH4, TSC_G6_IO2 and EVENTOUT. |
| 49 | VSS | power_in | Ground; the exposed pad must be connected to the ground plane and soldered to PCB ground. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | UFQFPN-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 49 |
CAD (KiCad official)
- Symbol:
STM32WBA52CGU6 - Footprint:
Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm - 3D model: UFQFPN-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32wba52cgu6-etched.step/stm32wba52cgu6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32wba52cgu6.step/stm32wba52cgu6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (133 pp, sha256
ace2c5563315bd10, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# STM32WBA52CGU6
**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · UFQFPN-48(7x7)
STM32WBA52CGU6 from STMicroelectronics, in a UFQFPN-48(7x7). 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 | PB12 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM2_CH1, TIM2_ETR, SPI1_RDY, USART1_TX, TSC_SYNC, TIM3_ETR and EVENTOUT. |
| 2 | PB11 | bidirectional | FT (5 V-tolerant) I/O; alternate functions LPTIM1_CH1, LPTIM1_ETR, LPUART1_TX and EVENTOUT. |
| 3 | PA8 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions MCO, TIM2_CH2, LPTIM1_CH2, SPI3_RDY, USART1_RX, TSC_G1_IO1 and EVENTOUT; additional function ADC4_IN1. |
| 4 | PA7 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O with analog switch function supplied by VDDA; alternate functions TIM2_CH3, I2C3_SDA, USART1_CTS, TSC_G1_IO2 and EVENTOUT; additional functions ADC4_IN2, WKUP8 and TAMP_IN1/TAMP_OUT2. |
| 5 | PA6 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O with analog switch function supplied by VDDA; alternate functions CSTOP, TIM2_CH4, I2C3_SCL, SPI3_RDY, USART1_RTS_DE, TSC_G1_IO3 and EVENTOUT; additional functions ADC4_IN3 and WKUP7. |
| 6 | VDDA | power_in | Analog supply; 1.62 V to 3.6 V when the ADC is used, and 0 V is permitted when the ADC is not used. |
| 7 | PA5 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions CSLEEP, TIM2_CH1, TIM2_ETR, SPI3_NSS, USART1_CK, TSC_G1_IO4, LPTIM2_ETR and EVENTOUT; additional functions ADC4_IN4 and WKUP6. |
| 8 | PA3 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions USART1_RTS_DE, TSC_G4_IO2, TIM16_CH1N and EVENTOUT; additional functions ADC4_IN6 and WKUP5. |
| 9 | PB10 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions USART1_CK, TSC_G4_IO3, TIM16_BKIN and EVENTOUT. |
| 10 | PA2 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_BKIN, TIM3_CH1, USART1_RTS_DE, LPUART1_TX, TSC_G4_IO4, TIM16_CH1 and EVENTOUT; additional functions ADC4_IN7, WKUP4 and LSCO. |
| 11 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 12 | PA1 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH1N, TIM3_CH2, SPI1_RDY, USART1_CK, LPUART1_RX, TSC_G2_IO1, LPTIM2_CH2, TIM17_CH1 and EVENTOUT; additional functions ADC4_IN8 and WKUP3. |
| 13 | PA0 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions LPTIM1_IN1, TIM1_CH2N, TIM3_CH3, SPI3_SCK, LPUART1_CTS, TSC_G2_IO2, TIM3_ETR and EVENTOUT; additional functions ADC4_IN9 and WKUP1. |
| 14 | PB9 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions IR_OUT, TIM1_CH3N, TIM3_CH4, SPI3_MISO, LPUART1_RTS_DE, TSC_G2_IO3, LPTIM2_IN1, TIM16_CH1 and EVENTOUT; additional functions ADC4_IN10 and WKUP8. |
| 15 | PB8 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions LPTIM1_ETR, TIM1_CH1, USART2_RX, SPI3_MOSI, TSC_G2_IO4, TIM3_ETR, TIM16_CH1N and EVENTOUT; additional function PVD_IN. |
| 16 | PC15-OSC32_OUT | bidirectional | FT (5 V-tolerant) I/O; alternate function EVENTOUT and additional function OSC32_OUT (low-speed external crystal output). |
| 17 | PC14-OSC32_IN | bidirectional | FT (5 V-tolerant) I/O; alternate function EVENTOUT and additional function OSC32_IN (low-speed external crystal input). |
| 18 | PC13 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_BKIN2, TSC_G5_IO1 and EVENTOUT; additional functions WKUP2, RTC_TS/RTC_OUT1 and TAMP_IN4/TAMP_OUT5. |
| 19 | PB7 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH4N, TSC_G5_IO2 and EVENTOUT; additional functions WKUP5 and TAMP_IN5/TAMP_OUT4. |
| 20 | PB6 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM2_CH1, TIM2_ETR, TSC_G5_IO3 and EVENTOUT; additional function WKUP3. |
| 21 | PB5 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM3_CH1, LPUART1_TX, TSC_G5_IO4 and EVENTOUT. |
| 22 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 23 | PB4 | bidirectional | FT_a (5 V-tolerant) I/O; after reset it is configured for the JTAG/SWD function NJTRST with an internal pull-up enabled; alternate functions TIM1_CH3, LPTIM2_IN2, USART2_RX, SPI1_SCK, TSC_G3_IO1, TIM17_CH1 and EVENTOUT. |
| 24 | PB3 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O; after reset it is configured for JTDO/TRACESWO; alternate functions TIM1_CH4, LPTIM1_IN2, USART2_CK, I2C1_SDA, SPI1_MISO, TSC_G3_IO2, TIM17_CH1N and EVENTOUT. |
| 25 | PA15 | bidirectional | FT_fa (5 V-tolerant, Fm+ capable) I/O; after reset it is configured for JTDI with an internal pull-up enabled; alternate functions TIM1_ETR, LPTIM1_CH2, USART2_RTS_DE, I2C1_SCL, SPI1_MOSI, TSC_G3_IO3, TIM17_BKIN and EVENTOUT. |
| 26 | PA14 | bidirectional | FT (5 V-tolerant) I/O; after reset it is configured for JTCK/SWCLK with an internal pull-down enabled; alternate functions USART2_TX and EVENTOUT; additional functions TAMP_IN3/TAMP_OUT6. |
| 27 | PA13 | bidirectional | FT (5 V-tolerant) I/O; after reset it is configured for JTMS/SWDIO with an internal pull-up enabled; alternate functions IR_OUT and EVENTOUT. |
| 28 | PA12 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM1_CH2, USART2_TX, SPI1_NSS, TSC_G3_IO4 and EVENTOUT; additional function WKUP6. |
| 29 | PA11 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM1_CH1, USART2_RX, LPTIM2_CH1 and EVENTOUT. |
| 30 | PB2 | bidirectional | FT_f (5 V-tolerant, Fm+ capable) I/O; alternate functions TIM1_CH1N, USART2_CTS, I2C1_SCL, I2C3_SCL and EVENTOUT; additional functions WKUP1 and RTC_OUT2. |
| 31 | PB1 | bidirectional | FT_f (5 V-tolerant, Fm+ capable) I/O; alternate functions TIM1_CH2N, USART2_RTS_DE, I2C1_SDA, I2C3_SDA and EVENTOUT; additional function WKUP4. |
| 32 | PB0 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM1_CH3N, LPTIM2_IN2, USART2_TX and EVENTOUT. |
| 33 | PB15 | bidirectional | TT (3.6 V-tolerant) I/O; alternate functions TIM1_BKIN2, USART2_CTS, I2C1_SMBA, I2C3_SMBA, LPUART1_CTS, TIM16_BKIN and EVENTOUT. |
| 34 | PH3-BOOT0 | bidirectional | TT (3.6 V-tolerant) I/O; BOOT0 pin with alternate function EVENTOUT and additional functions TAMP_IN2/TAMP_OUT1. |
| 35 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 36 | NRST | bidirectional | Bidirectional reset pin with a weak pull-up resistor (RST structure). |
| 37 | RF | bidirectional | 2.4 GHz RADIO RF I/O pin (RF I/O structure). |
| 38 | VDDHPA | power_in | Supply pin of the 2.4 GHz RADIO high-power amplifier domain, to be decoupled as shown in the power supply scheme (Figure 10, 470 nF). |
| 39 | VDDRF | power_in | RF operating supply, 1.71 V to 3.6 V; VDDRF and VDD must be connected to the same supply. |
| 40 | OSC_OUT | output | Oscillator output of the RF domain (RF structure) for the 32 MHz crystal oscillator. |
| 41 | OSC_IN | input | Oscillator input of the RF domain (RF structure) for the 32 MHz crystal oscillator. |
| 42 | VDDRFPA | power_in | RF power amplifier operating supply, 1.15 V to 3.6 V (may go to 0 V when the 2.4 GHz RADIO is inactive). |
| 43 | VDD | power_in | Standard operating supply, 1.71 V to 3.6 V; VDD and VDDRF must be connected to the same supply. |
| 44 | VCAP | power_out | Internal regulator (VCORE) output pin requiring the 4.7 µF decoupling capacitor shown in Figure 10. |
| 45 | PA10 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM3_CH1, LPUART1_RX and EVENTOUT. |
| 46 | PA9 | bidirectional | FT (5 V-tolerant) I/O; alternate functions TIM3_CH2, LPUART1_RTS_DE and EVENTOUT. |
| 47 | PB14 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions RTC_REFIN, TIM3_CH3, USART1_TX, TSC_G6_IO1 and EVENTOUT; additional function WKUP7. |
| 48 | PB13 | bidirectional | FT_a (5 V-tolerant) I/O with analog switch function supplied by VDDA; alternate functions TIM3_CH4, TSC_G6_IO2 and EVENTOUT. |
| 49 | VSS | power_in | Ground; the exposed pad must be connected to the ground plane and soldered to PCB ground. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | UFQFPN-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 49 |
## CAD (KiCad official)
- Symbol: `STM32WBA52CGU6`
- Footprint: `Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm`
- 3D model: UFQFPN-48(7x7) (KiCad packages3D, STEP)
- 3D model files: `stm32wba52cgu6-etched.step` / `stm32wba52cgu6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32wba52cgu6.step` / `stm32wba52cgu6.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/8602940792423915520) (133 pp, sha256 `ace2c5563315bd10`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/stm32wba52cgu6-datasheet.pdf)