STM32G070CBT6

@@ -0,0 +1,92 @@+# STM32G070CBT6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32G070CBT6 from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PC13 | bidirectional | General-purpose I/O port C bit 13. FT (5 V tolerant). Alternate: TIM1_BKIN. Additional: TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2. Supplied through RTC/backup power switch - limited output drive. |+| 2 | PC14-OSC32_IN | bidirectional | GPIO PC14, doubles as LSE 32.768 kHz oscillator input (OSC32_IN). FT structure. Alternate: TIM1_BKIN2. |+| 3 | PC15-OSC32_OUT | bidirectional | GPIO PC15, doubles as LSE 32.768 kHz oscillator output (OSC32_OUT). FT structure. Alternate: OSC32_EN, OSC_EN, TIM15_BKIN. |+| 4 | VBAT | power_in | Backup battery supply for RTC and backup registers. Powers the RTC domain when VDD is absent. |+| 5 | VREF+ | power_in | Positive external reference voltage for the ADC. Range typically 2.0 V to VDDA. |+| 6 | VDD/VDDA | power_in | Main digital and analog supply, 2.0 V to 3.6 V. VDD and VDDA are bonded to a single pin in LQFP48. |+| 7 | VSS/VSSA | power_in | Common ground for digital and analog domains (VSS and VSSA bonded). |+| 8 | PF0-OSC_IN | bidirectional | GPIO PF0, doubles as HSE crystal/resonator input (OSC_IN). FT structure. Alternate: TIM14_CH1. |+| 9 | PF1-OSC_OUT | bidirectional | GPIO PF1, doubles as HSE crystal output (OSC_OUT). FT structure. Alternate: OSC_EN, TIM15_CH1N. |+| 10 | NRST | bidirectional | Bidirectional device reset, active-low, with embedded weak pull-up (~40 kΩ). Drive low >20 µs to reset. Filtered. |+| 11 | PA0 | bidirectional | GPIO PA0, 5 V tolerant with analog switch. Alt: SPI2_SCK, USART2_CTS, USART4_TX. Additional: ADC_IN0, TAMP_IN2, WKUP1. |+| 12 | PA1 | bidirectional | GPIO PA1, FT_a. Alt: SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, USART4_RX, TIM15_CH1N, I2C1_SMBA, EVENTOUT. Additional: ADC_IN1. |+| 13 | PA2 | bidirectional | GPIO PA2, FT_a. Alt: SPI1_MOSI/I2S1_SD, USART2_TX, TIM15_CH1. Additional: ADC_IN2, WKUP4, LSCO. |+| 14 | PA3 | bidirectional | GPIO PA3, FT_a. Alt: SPI2_MISO, USART2_RX, TIM15_CH2, EVENTOUT. Additional: ADC_IN3. |+| 15 | PA4 | bidirectional | GPIO PA4, TT_a (3.6 V tolerant with analog switch). Alt: SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, EVENTOUT. Additional: ADC_IN4, RTC_OUT2. |+| 16 | PA5 | bidirectional | GPIO PA5, TT_a. Alt: SPI1_SCK/I2S1_CK, USART3_TX, EVENTOUT. Additional: ADC_IN5. |+| 17 | PA6 | bidirectional | GPIO PA6, FT_a. Alt: SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, USART3_CTS, TIM16_CH1. Additional: ADC_IN6. |+| 18 | PA7 | bidirectional | GPIO PA7, FT_a. Alt: SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1. Additional: ADC_IN7. |+| 19 | PB0 | bidirectional | GPIO PB0, FT_a. Alt: SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, USART3_RX. Additional: ADC_IN8. May have a reset-time pull-down (see UCPDx_STROBE). |+| 20 | PB1 | bidirectional | GPIO PB1, FT_a. Alt: TIM14_CH1, TIM3_CH4, TIM1_CH3N, USART3_RTS_DE_CK, EVENTOUT. Additional: ADC_IN9. |+| 21 | PB2 | bidirectional | GPIO PB2, FT_a. Alt: SPI2_MISO, USART3_TX, EVENTOUT. Additional: ADC_IN10. |+| 22 | PB10 | bidirectional | GPIO PB10, FT_fa (Fast-mode Plus I2C capable, analog switch). Alt: USART3_TX, SPI2_SCK, I2C2_SCL. Additional: ADC_IN11. |+| 23 | PB11 | bidirectional | GPIO PB11, FT_fa. Alt: SPI2_MOSI, USART3_RX, I2C2_SDA. Additional: ADC_IN15. |+| 24 | PB12 | bidirectional | GPIO PB12, FT_a. Alt: SPI2_NSS, TIM1_BKIN, TIM15_BKIN, EVENTOUT. Additional: ADC_IN16. |+| 25 | PB13 | bidirectional | GPIO PB13, FT_f (Fm+ capable). Alt: SPI2_SCK, TIM1_CH1N, USART3_CTS, TIM15_CH1N, I2C2_SCL, EVENTOUT. |+| 26 | PB14 | bidirectional | GPIO PB14, FT_f. Alt: SPI2_MISO, TIM1_CH2N, USART3_RTS_DE_CK, TIM15_CH1, I2C2_SDA, EVENTOUT. |+| 27 | PB15 | bidirectional | GPIO PB15, FT_c (specific electrical characteristics). Alt: SPI2_MOSI, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, EVENTOUT. Additional: RTC_REFIN. |+| 28 | PA8 | bidirectional | GPIO PA8, FT_c. Alt: MCO (main clock output), SPI2_NSS, TIM1_CH1, EVENTOUT. May have a reset-time pull-down. |+| 29 | PA9 | bidirectional | GPIO PA9, FT_fd. Alt: MCO, USART1_TX, TIM1_CH2, SPI2_MISO, TIM15_BKIN, I2C1_SCL, EVENTOUT. May have reset-time pull-down. |+| 30 | PC6 | bidirectional | GPIO PC6, FT. Alt: TIM3_CH1. May have reset-time pull-down. |+| 31 | PC7 | bidirectional | GPIO PC7, FT. Alt: TIM3_CH2. |+| 32 | PA10 | bidirectional | GPIO PA10, FT_fd. Alt: SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA, EVENTOUT. May have reset-time pull-down. |+| 33 | PA11 [PA9] | bidirectional | GPIO PA11 (remappable to PA9 via SYSCFG_CFGR1). FT_f. Alt: SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL. |+| 34 | PA12 [PA10] | bidirectional | GPIO PA12 (remappable to PA10 via SYSCFG_CFGR1). FT_f. Alt: SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA. |+| 35 | PA13 | bidirectional | GPIO PA13, FT. Default after reset: SWDIO (Serial Wire Debug data) with internal pull-up. Alt: IR_OUT, EVENTOUT. |+| 36 | PA14-BOOT0 | bidirectional | GPIO PA14, FT. Default after reset: SWCLK (Serial Wire Debug clock) with internal pull-down. Also BOOT0 selection input at reset. Alt: USART2_TX, EVENTOUT. |+| 37 | PA15 | bidirectional | GPIO PA15, FT. Alt: SPI1_NSS/I2S1_WS, USART2_RX, USART4_RTS_DE_CK, USART3_RTS_DE_CK, EVENTOUT. |+| 38 | PD0 | bidirectional | GPIO PD0, FT_c. Alt: EVENTOUT, SPI2_NSS, TIM16_CH1. May have reset-time pull-down. |+| 39 | PD1 | bidirectional | GPIO PD1, FT_d. Alt: EVENTOUT, SPI2_SCK, TIM17_CH1. May have reset-time pull-down. |+| 40 | PD2 | bidirectional | GPIO PD2, FT_c. Alt: USART3_RTS_DE_CK, TIM3_ETR, TIM1_CH1N. May have reset-time pull-down. |+| 41 | PD3 | bidirectional | GPIO PD3, FT_d. Alt: USART2_CTS, SPI2_MISO, TIM1_CH2N. May have reset-time pull-down. |+| 42 | PB3 | bidirectional | GPIO PB3, FT_a. Alt: SPI1_SCK/I2S1_CK, TIM1_CH2, USART1_RTS_DE_CK, EVENTOUT. |+| 43 | PB4 | bidirectional | GPIO PB4, FT_a. Alt: SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN, EVENTOUT. |+| 44 | PB5 | bidirectional | GPIO PB5, FT. Alt: SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, I2C1_SMBA. Additional: WKUP6. |+| 45 | PB6 | bidirectional | GPIO PB6, FT_fa (Fm+ I2C). Alt: USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, I2C1_SCL, EVENTOUT. |+| 46 | PB7 | bidirectional | GPIO PB7, FT_fa. Alt: USART1_RX, SPI2_MOSI, TIM17_CH1N, USART4_CTS, I2C1_SDA, EVENTOUT. |+| 47 | PB8 | bidirectional | GPIO PB8, FT_f. Alt: SPI2_SCK, TIM16_CH1, USART3_TX, TIM15_BKIN, I2C1_SCL, EVENTOUT. |+| 48 | PB9 | bidirectional | GPIO PB9, FT_f. Alt: IR_OUT, TIM17_CH1, USART3_RX, SPI2_NSS, I2C1_SDA, EVENTOUT. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | MCU |+| Pins | 48 |++## Ordering variants++- `STM32G070CBT6CBT6`+- `STM32G070CBT6CBT6TR`+- `STM32G070CBT6KBT6`+- `STM32G070CBT6RBT6`+- `STM32G070CBT6KBT6`+- `STM32G070CBT6RBT6`++## CAD (KiCad official)++- Symbol: `STM32G070CBT6`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/stm32g070cbt6.pdf) (93 pp, sha256 `29c4b367c493f973`, retrieved 2026-08-17, tier: manufacturer)+- **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/stm32g070cbt6-datasheet.pdf)