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

Same part, different packaging or reel option.

STM32F072CBT6
STM32F072CBT7
STM32F072C8T6
STM32F072C8T7
STM32F072CBU6
STM32F072CBU7
STM32F072C8U6
STM32F072C8U7
STM32F072CBY6
STM32F072C8Y6
STM32F072RBT6
STM32F072RBT7
STM32F072R8T6
STM32F072R8T7
STM32F072RBH6
STM32F072R8H6
STM32F072VBT6
STM32F072VBT7
STM32F072V8T6
STM32F072V8T7
STM32F072VBH6
STM32F072V8H6

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 (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