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STM32L072CBT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32L072CBT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32L072CBT6 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 | VDD | power_in | Main power supply pin, connect to +1.65V to +3.6V. |
| 2 | PC13 | bidirectional | Port C pin 13, 5V tolerant I/O with RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2 functionality. |
| 3 | PC14-OSC32_IN | bidirectional | Port C pin 14, 5V tolerant I/O for 32kHz oscillator input (OSC32_IN). |
| 4 | PC15-OSC32_OUT | bidirectional | Port C pin 15, 3.3V I/O for 32kHz oscillator output (OSC32_OUT). |
| 5 | PH0-OSC_IN | bidirectional | Port H pin 0, 3.3V I/O for main oscillator input with USB_CRS_SYNC alternate function. |
| 6 | PH1-OSC_OUT | bidirectional | Port H pin 1, 3.3V I/O for main oscillator output (OSC_OUT). |
| 7 | NRST | input | Reset input pin with embedded weak pull-up resistor for device reset control. |
| 8 | VSSA | power_in | Analog ground supply pin, connect to ground. |
| 9 | VDDA | power_in | Analog power supply pin, connect to +1.65V to +3.6V with 100nF capacitor. |
| 10 | PA0 | bidirectional | Port A pin 0, TTL I/O with ADC_IN0 and can function as TIM2_CH1, USART2_CTS, COMP1_OUT. |
| 11 | PA1 | bidirectional | Port A pin 1, 5V tolerant I/O with ADC_IN1 and can function as TIM2_CH2, USART2_RTS/DE. |
| 12 | PA2 | bidirectional | Port A pin 2, 5V tolerant I/O with ADC_IN2 and can function as TIM2_CH3, USART2_TX. |
| 13 | PA3 | bidirectional | Port A pin 3, 5V tolerant I/O with ADC_IN3 and can function as TIM2_CH4, USART2_RX. |
| 14 | PA4 | bidirectional | Port A pin 4, 3.3V I/O with ADC_IN4 and DAC_OUT1, reduced touch sensing sensitivity for sampling capacitor use. |
| 15 | PA5 | bidirectional | Port A pin 5, 3.3V I/O with ADC_IN5 and DAC_OUT2, can function as SPI1_SCK. |
| 16 | PA6 | bidirectional | Port A pin 6, 5V tolerant I/O with ADC_IN6 and can function as SPI1_MISO, TIM3_CH1. |
| 17 | PA7 | bidirectional | Port A pin 7, 5V tolerant I/O with ADC_IN7 and can function as SPI1_MOSI, TIM3_CH2. |
| 18 | PB0 | bidirectional | Port B pin 0, 5V tolerant I/O with ADC_IN8 and VREF_OUT capability, can function as TIM3_CH3. |
| 19 | PB1 | bidirectional | Port B pin 1, 5V tolerant I/O with ADC_IN9 and VREF_OUT capability, can function as TIM3_CH4. |
| 20 | PB2 | bidirectional | Port B pin 2, 5V tolerant I/O that can function as LPTIM1_OUT, TSC_G3_IO4, I2C3_SMBA. |
| 21 | PB10 | bidirectional | Port B pin 10, 5V tolerant I/O that can function as TIM2_CH3, SPI2_SCK, I2C2_SCL. |
| 22 | PB11 | bidirectional | Port B pin 11, 5V tolerant I/O that can function as TIM2_CH4, I2C2_SDA, LPUART1_RX/TX. |
| 23 | VSS | power_in | Ground supply pin, connect to ground potential. |
| 24 | VDD | power_in | Main power supply pin, connect to +1.65V to +3.6V. |
| 25 | PB12 | bidirectional | Port B pin 12, 5V tolerant I/O that can function as SPI2_NSS/I2S2_WS, LPUART1_RTS/DE. |
| 26 | PB13 | bidirectional | Port B pin 13, 5V tolerant FM+ capable I/O that can function as SPI2_SCK/I2S2_CK, MCO, TIM21_CH1. |
| 27 | PB14 | bidirectional | Port B pin 14, 5V tolerant FM+ capable I/O that can function as SPI2_MISO/I2S2_MCK, TIM21_CH2. |
| 28 | PB15 | bidirectional | Port B pin 15, 5V tolerant I/O that can function as SPI2_MOSI/I2S2_SD, RTC_REFIN. |
| 29 | PA8 | bidirectional | Port A pin 8, 5V tolerant FM+ capable I/O that can function as MCO, USART1_CK, I2C3_SCL. |
| 30 | PA9 | bidirectional | Port A pin 9, 5V tolerant FM+ capable I/O that can function as USART1_TX, I2C1_SCL, I2C3_SMBA. |
| 31 | PA10 | bidirectional | Port A pin 10, 5V tolerant FM+ capable I/O that can function as USART1_RX, I2C1_SDA. |
| 32 | PA11 | bidirectional | Port A pin 11, 5V tolerant I/O powered by VDD_USB with USB_DM and can function as SPI1_MISO. |
| 33 | PA12 | bidirectional | Port A pin 12, 5V tolerant I/O powered by VDD_USB with USB_DP and can function as SPI1_MOSI. |
| 34 | PA13 | bidirectional | Port A pin 13, 5V tolerant I/O that can function as SWDIO for serial wire debug, LPUART1_RX. |
| 35 | VSS | power_in | Ground supply pin, connect to ground potential. |
| 36 | VDD_USB | power_in | USB power supply pin, connect to +3.3V with 1µF capacitor for USB operation. |
| 37 | PA14 | bidirectional | Port A pin 14, 5V tolerant I/O that can function as SWCLK for serial wire debug, USART2_TX, LPUART1_TX. |
| 38 | PA15 | bidirectional | Port A pin 15, 5V tolerant I/O that can function as SPI1_NSS, TIM2_ETR, USART2_RX. |
| 39 | PB3 | bidirectional | Port B pin 3, 5V tolerant I/O with COMP2_INM and can function as SPI1_SCK, TIM2_CH2. |
| 40 | PB4 | bidirectional | Port B pin 4, 5V tolerant FM+ capable I/O with COMP2_INP and can function as SPI1_MISO, TIM3_CH1, I2C3_SDA. |
| 41 | PB5 | bidirectional | Port B pin 5, 5V tolerant I/O with COMP2_INP and can function as SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA. |
| 42 | PB6 | bidirectional | Port B pin 6, 5V tolerant FM+ capable I/O with COMP2_INP and can function as USART1_TX, I2C1_SCL. |
| 43 | PB7 | bidirectional | Port B pin 7, 5V tolerant FM+ capable I/O with COMP2_INP and VREF_PVD_IN capability, USART1_RX, I2C1_SDA. |
| 44 | BOOT0 | input | Boot configuration pin, read during reset to select boot mode (Flash or system bootloader). |
| 45 | PB8 | bidirectional | Port B pin 8, 5V tolerant FM+ capable I/O that can function as TSC_SYNC, I2C1_SCL. |
| 46 | PB9 | bidirectional | Port B pin 9, 5V tolerant FM+ capable I/O that can function as I2C1_SDA, SPI2_NSS/I2S2_WS. |
| 47 | VSS | power_in | Ground supply pin, connect to ground potential. |
| 48 | VDD | power_in | Main power supply pin, connect to +1.65V to +3.6V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32L072CBT6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32l072cbt6-etched.step/stm32l072cbt6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l072cbt6.step/stm32l072cbt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (160 pp, sha256
13ea53054244ac9d, retrieved 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).