STM32F072CBT6

@@ -0,0 +1,108 @@+# STM32F072CBT6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32F072CBT6 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 | VBAT | power_in | Backup power supply (1.65 V to 3.6 V). Powers the RTC, LSE and backup registers when VDD is off. |+| 2 | PC13 | bidirectional | General-purpose I/O in the RTC/backup domain. Additional functions: WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT. TC I/O structure; limited drive (max 3 mA, max 2 MHz). |+| 3 | PC14-OSC32_IN | bidirectional | GPIO PC14, additional function OSC32_IN (LSE 32.768 kHz crystal input). TC I/O structure; same drive restrictions as PC13. |+| 4 | PC15-OSC32_OUT | bidirectional | GPIO PC15, additional function OSC32_OUT (LSE 32.768 kHz crystal output). TC I/O structure; same drive restrictions as PC13. |+| 5 | PF0-OSC_IN | bidirectional | GPIO PF0, additional function OSC_IN (HSE 4-32 MHz crystal input). Alternate function: CRS_SYNC. FT (5 V tolerant) I/O. |+| 6 | PF1-OSC_OUT | bidirectional | GPIO PF1, additional function OSC_OUT (HSE 4-32 MHz crystal output). FT (5 V tolerant) I/O. |+| 7 | NRST | bidirectional | Device reset input / internal reset output, active low. Bidirectional with embedded weak pull-up resistor. |+| 8 | VSSA | power_in | Analog ground reference for the ADC, DAC, comparators and internal reference. Connect to system ground. |+| 9 | VDDA | power_in | Analog power supply for ADC, DAC, comparators, PLL and internal reference. 2.4 V to 3.6 V; must be >= VDD. |+| 10 | PA0 | bidirectional | GPIO PA0 (TTa I/O). Alt: USART2_CTS, TIM2_CH1_ETR, COMP1_OUT, TSC_G1_IO1, USART4_TX. Additional: RTC_TAMP2, WKUP1, ADC_IN0, COMP1_INM6. |+| 11 | PA1 | bidirectional | GPIO PA1 (TTa I/O). Alt: USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT. Additional: ADC_IN1, COMP1_INP. |+| 12 | PA2 | bidirectional | GPIO PA2 (TTa I/O). Alt: USART2_TX, COMP2_OUT, TIM2_CH3, TIM15_CH1, TSC_G1_IO3. Additional: ADC_IN2, COMP2_INM6, WKUP4. |+| 13 | PA3 | bidirectional | GPIO PA3 (TTa I/O). Alt: USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4. Additional: ADC_IN3, COMP2_INP. |+| 14 | PA4 | bidirectional | GPIO PA4 (TTa I/O). Alt: SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK. Additional: COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT1. |+| 15 | PA5 | bidirectional | GPIO PA5 (TTa I/O). Alt: SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2. Additional: COMP1_INM5, COMP2_INM5, ADC_IN5, DAC_OUT2. |+| 16 | PA6 | bidirectional | GPIO PA6 (TTa I/O). Alt: SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS. Additional: ADC_IN6. |+| 17 | PA7 | bidirectional | GPIO PA7 (TTa I/O). Alt: SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT. Additional: ADC_IN7. |+| 18 | PB0 | bidirectional | GPIO PB0 (TTa I/O). Alt: TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK. Additional: ADC_IN8. |+| 19 | PB1 | bidirectional | GPIO PB1 (TTa I/O). Alt: TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3. Additional: ADC_IN9. |+| 20 | PB2 | bidirectional | GPIO PB2 (FT 5 V tolerant I/O). Alt: TSC_G3_IO4. |+| 21 | PB10 | bidirectional | GPIO PB10 (FT). Alt: SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TIM2_CH3. Supports I2C/SPI/UART muxing. |+| 22 | PB11 | bidirectional | GPIO PB11 (FT). Alt: USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA. |+| 23 | VSS | power_in | Digital ground. Connect to system ground. |+| 24 | VDD | power_in | Digital power supply (2.0 V to 3.6 V). Decouple with a 100 nF cap close to the pin. |+| 25 | PB12 | bidirectional | GPIO PB12 (FT). Alt: TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2, EVENTOUT. |+| 26 | PB13 | bidirectional | GPIO PB13 (FTf, Fast-Mode Plus I2C tolerant). Alt: SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N, TSC_G6_IO3. |+| 27 | PB14 | bidirectional | GPIO PB14 (FTf). Alt: SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1, TSC_G6_IO4. |+| 28 | PB15 | bidirectional | GPIO PB15 (FT). Alt: SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2. Additional: WKUP7, RTC_REFIN. |+| 29 | PA8 | bidirectional | GPIO PA8 (FT). Alt: USART1_CK, TIM1_CH1, EVENTOUT, MCO, CRS_SYNC. Supplied by VDDIO2. |+| 30 | PA9 | bidirectional | GPIO PA9 (FT). Alt: USART1_TX, TIM1_CH2, TIM15_BKIN, TSC_G4_IO1. Supplied by VDDIO2. |+| 31 | PA10 | bidirectional | GPIO PA10 (FT). Alt: USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2. Supplied by VDDIO2. |+| 32 | PA11 | bidirectional | GPIO PA11 (FT). Alt: CAN_RX, USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT. Additional: USB_DM (USB 2.0 full-speed data-minus). Supplied by VDDIO2. |+| 33 | PA12 | bidirectional | GPIO PA12 (FT). Alt: CAN_TX, USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT. Additional: USB_DP (USB 2.0 full-speed data-plus). Supplied by VDDIO2. |+| 34 | PA13 | bidirectional | GPIO PA13 (FT). Default after reset: SWDIO with internal pull-up. Alt: IR_OUT, SWDIO, USB_NOE. Supplied by VDDIO2. |+| 35 | VSS | power_in | Digital ground. Connect to system ground. |+| 36 | VDDIO2 | power_in | Independent digital I/O supply (1.65 V to 3.6 V) for the PA8-PA15 and PC10-PC12/PD0-PD2 group. Enables level shifting to a lower/higher rail than VDD. |+| 37 | PA14 | bidirectional | GPIO PA14 (FT). Default after reset: SWCLK with internal pull-down. Alt: USART2_TX, SWCLK. Supplied by VDDIO2. |+| 38 | PA15 | bidirectional | GPIO PA15 (FT). Alt: SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR, EVENTOUT. Supplied by VDDIO2. |+| 39 | PB3 | bidirectional | GPIO PB3 (FT). Alt: SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT. |+| 40 | PB4 | bidirectional | GPIO PB4 (FT). Alt: SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, EVENTOUT. |+| 41 | PB5 | bidirectional | GPIO PB5 (FT). Alt: SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2. Additional: WKUP6. |+| 42 | PB6 | bidirectional | GPIO PB6 (FTf, Fast-Mode Plus I2C). Alt: I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3. Supports 1 Mbit/s I2C with 20 mA current sink. |+| 43 | PB7 | bidirectional | GPIO PB7 (FTf). Alt: I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4. |+| 44 | BOOT0 | input | Boot memory selection input (dedicated B-type pin). High selects system-memory / user-defined bootloader at reset; low selects main Flash. |+| 45 | PB8 | bidirectional | GPIO PB8 (FTf). Alt: I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC, CAN_RX. |+| 46 | PB9 | bidirectional | GPIO PB9 (FTf). Alt: SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT, CAN_TX. |+| 47 | VSS | power_in | Digital ground. Connect to system ground. |+| 48 | VDD | power_in | Digital power supply (2.0 V to 3.6 V). Decouple with a 100 nF cap close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | MCU |+| Pins | 48 |++## Ordering variants++- `STM32F072CBT6`+- `STM32F072CBT6STM32F072CBT7`+- `STM32F072CBT6STM32F072C8T6`+- `STM32F072CBT6STM32F072C8T7`+- `STM32F072CBT6STM32F072CBU6`+- `STM32F072CBT6STM32F072CBU7`+- `STM32F072CBT6STM32F072C8U6`+- `STM32F072CBT6STM32F072C8U7`+- `STM32F072CBT6STM32F072CBY6`+- `STM32F072CBT6STM32F072C8Y6`+- `STM32F072CBT6STM32F072RBT6`+- `STM32F072CBT6STM32F072RBT7`+- `STM32F072CBT6STM32F072R8T6`+- `STM32F072CBT6STM32F072R8T7`+- `STM32F072CBT6STM32F072RBH6`+- `STM32F072CBT6STM32F072R8H6`+- `STM32F072CBT6STM32F072VBT6`+- `STM32F072CBT6STM32F072VBT7`+- `STM32F072CBT6STM32F072V8T6`+- `STM32F072CBT6STM32F072V8T7`+- `STM32F072CBT6STM32F072VBH6`+- `STM32F072CBT6STM32F072V8H6`++## CAD (KiCad official)++- Symbol: `STM32F072CBT6`+- 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/stm32f072cbt6.pdf) (128 pp, sha256 `3944f06084804cd1`, 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/stm32f072cbt6-datasheet.pdf)