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STM32L041C6T7

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32l041c6t7factory-2.0.0extractor-text

Verified STM32L041C6T7

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier mfr, 48 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: STM32L041C6T7 · LQFP-48(7x7) · 48 pins
  • ✓copper: 48 copper pads, none touching another net
  • ✓datasheet: all 48 pin names found in the 123-page datasheet
  • ✓distributor: lcsc C1341513, digikey 497-16809-ND, mouser 511-STM32L041C6T7
  • ✓family: LQFP-48_7x7mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-r7vuivr_/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 48 pins = 48 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 48 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ stm32l041c6t7.kicad_sym✓ stm32l041c6t7.kicad_mod✓ stm32l041c6t7.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 4h ago
viewers stm32l041c6t7: viewers · Ray 4h ago
package.json Publish 0.1.0 · Ray 4h ago
page.json Set visibility: public · Ray 4h ago
README.md Publish 0.1.0 · Ray 4h ago
stm32l041c6t7-etched.glb Publish 0.1.0 · Ray 4h ago
stm32l041c6t7-etched.step stm32l041c6t7: factory component page (tier=mfr) · Ray 4h ago
stm32l041c6t7-hero.glb stm32l041c6t7: hero GLB from the etched model (keeps the MPN mark) · Ray 4h ago
stm32l041c6t7-hero.overlay.json Publish 0.1.0 · Ray 4h ago
stm32l041c6t7.glb Publish 0.1.0 · Ray 4h ago
stm32l041c6t7.kicad_mod Publish 0.1.0 · Ray 4h ago
stm32l041c6t7.kicad_sym Publish 0.1.0 · Ray 4h ago
stm32l041c6t7.lbr Publish 0.1.0 · Ray 4h ago
stm32l041c6t7.step Publish 0.1.0 · Ray 4h ago
verification.json Verified: Published by the parts factory: tier mfr, 48 pins · Ray 4h ago

STM32L041C6T7

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

STM32L041C6T7 from STMicroelectronics, in a LQFP-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 PC0 bidirectional 5 V tolerant I/O (FT) with alternate functions LPTIM1_IN1, EVENTOUT and LPUART1_RX.
2 PC13 bidirectional 5 V tolerant I/O (FT) with the additional function ANTI_TAMP and TAMP1/WKUP2.
3 PC14 bidirectional Standard 3.3 V I/O (TC) that doubles as the OSC32_IN low-speed oscillator input.
4 PC15 bidirectional Standard 3.3 V I/O (TC) that doubles as the OSC32_OUT low-speed oscillator output.
5 PH0 bidirectional Standard 3.3 V I/O (TC) that doubles as the OSC_IN high-speed oscillator input.
6 PH1 bidirectional Standard 3.3 V I/O (TC) that doubles as the OSC_OUT high-speed oscillator output.
7 NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor.
8 VSSA power_in Analog ground pin for the ADC and reference section.
9 VDDA power_in Analog supply pin for the ADC and comparators, operating down to 1.65 V as stated in the features.
10 PA0 bidirectional Standard 3.3 V I/O (TC) with ADC_IN0, COMP1_INM6 and RTC_TAMP2/WKUP1 additional functions.
11 PA1 bidirectional 5 V tolerant I/O (FT) with ADC_IN1 and COMP1_INP additional functions.
12 PA2 bidirectional Standard 3.3 V I/O (TC) with ADC_IN2, COMP2_INM6 and USART2_TX alternate function.
13 PA3 bidirectional 5 V tolerant I/O (FT) with ADC_IN3, COMP2_INP and USART2_RX alternate function.
14 PA4 bidirectional Standard 3.3 V I/O (TC) with ADC_IN4 and SPI1_NSS alternate function.
15 PA5 bidirectional Standard 3.3 V I/O (TC) with ADC_IN5 and SPI1_SCK alternate function.
16 PA6 bidirectional 5 V tolerant I/O (FT) with ADC_IN6 and SPI1_MISO alternate function.
17 PA7 bidirectional 5 V tolerant I/O (FT) with ADC_IN7 and SPI1_MOSI alternate function.
18 PB0 bidirectional 5 V tolerant I/O (FT) with ADC_IN8, VREF_OUT and SPI1_MISO alternate function.
19 PB1 bidirectional 5 V tolerant I/O (FT) with ADC_IN9, VREF_OUT and USART2_CK alternate function.
20 PB2 bidirectional 5 V tolerant I/O (FT) with LPTIM1_OUT alternate function.
21 PB10 bidirectional 5 V tolerant I/O (FT) with TIM2_CH3 and LPUART1_TX alternate functions.
22 PB11 bidirectional 5 V tolerant I/O (FT) with EVENTOUT, TIM2_CH4 and LPUART1_RX alternate functions.
23 VSS power_in Digital ground pin of the device.
24 VDD power_in Digital supply pin, 1.65 V to 3.6 V.
25 PB12 bidirectional 5 V tolerant I/O (FT) with SPI1_NSS and EVENTOUT alternate functions.
26 PB13 bidirectional 5 V tolerant I/O (FT) with SPI1_SCK, MCO, TIM21_CH1 and LPUART1_CTS alternate functions.
27 PB14 bidirectional 5 V tolerant I/O (FT) with SPI1_MISO, RTC_OUT, TIM21_CH2 and LPUART1_RTS/LPUART1_DE alternate functions.
28 PB15 bidirectional 5 V tolerant I/O (FT) with SPI1_MOSI and RTC_REFIN alternate functions.
29 PA8 bidirectional 5 V tolerant I/O (FT) with MCO, LPTIM1_IN1, EVENTOUT, USART2_CK and TIM2_CH1 alternate functions.
30 PA9 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with MCO, I2C1_SCL, USART2_TX and TIM22_CH1 alternate functions.
31 PA10 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with I2C1_SDA, USART2_RX and TIM22_CH2 alternate functions.
32 PA11 bidirectional 5 V tolerant I/O (FT) with SPI1_MISO, EVENTOUT, USART2_CTS, TIM21_CH2 and COMP1_OUT alternate functions.
33 PA12 bidirectional 5 V tolerant I/O (FT) with SPI1_MOSI, EVENTOUT, USART2_RTS/USART2_DE and COMP2_OUT alternate functions.
34 PA13 bidirectional 5 V tolerant I/O (FT) with SWDIO serial wire debug data, LPTIM1_ETR and LPUART1_RX alternate functions.
35 VSS power_in Digital ground pin of the device.
36 VDD power_in Digital supply pin, 1.65 V to 3.6 V.
37 PA14 bidirectional 5 V tolerant I/O (FT) with SWCLK serial wire debug clock, LPTIM1_OUT, I2C1_SMBA, USART2_TX and LPUART1_TX alternate functions.
38 PA15 bidirectional 5 V tolerant I/O (FT) with SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX and TIM2_CH1 alternate functions.
39 PB3 bidirectional 5 V tolerant I/O (FT) with SPI1_SCK, TIM2_CH2 and EVENTOUT alternate functions, plus COMP2_INN.
40 PB4 bidirectional 5 V tolerant I/O (FT) with SPI1_MISO, EVENTOUT and TIM22_CH1 alternate functions, plus COMP2_INP.
41 PB5 bidirectional 5 V tolerant I/O (FT) with SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA and TIM22_CH2 alternate functions, plus COMP2_INP.
42 PB6 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with USART2_TX, I2C1_SCL, LPTIM1_ETR and TIM21_CH1 alternate functions.
43 PB7 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with USART2_RX, I2C1_SDA and LPTIM1_IN2 alternate functions, plus VREF_PVD_IN.
44 BOOT0 input Dedicated BOOT0 pin used to select the boot mode.
45 PB8 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with I2C1_SCL alternate function.
46 PB9 bidirectional 5 V tolerant, Fast-mode Plus capable I/O (FTf) with EVENTOUT and I2C1_SDA alternate functions.
47 VSS power_in Digital ground pin of the device.
48 VDD power_in Digital supply pin, 1.65 V to 3.6 V.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
External main supply voltage (VDD-VSS) VDD-VSS -0.3 4 V 49
Input voltage on TC pins VIN -0.3 4 V 49
Input voltage on any other pin VIN -0.3 4 V 49
Total current into sum of all VDD power lines (source) ΣIVDD 105 mA 50
Total current out of sum of all VSS ground lines (sink) ΣIVSS 105 mA 50
Maximum current into each VDD power pin (source) IVDD(PIN) 100 mA 50
Maximum current out of each VSS ground pin (sink) IVSS(PIN) 100 mA 50
Output current sunk by any I/O and control pin except FTf pins IIO 16 mA 50
Output current sunk by FTf pins IIO 22 mA 50
Output current sourced by any I/O and control pin IIO -16 mA 50
Storage temperature range TSTG -65 150 °C 50
Maximum junction temperature TJ 150 °C 50
Standard operating voltage VDD VDD 1.65 3.6 V BOR detector disabled 51
Standard operating voltage VDD VDD 1.8 3.6 V BOR detector enabled, at power on 51
Analog operating voltage (all features) VDDA 1.65 3.6 V Must be the same voltage as VDD 51
Internal AHB clock frequency fHCLK 0 32 MHz 51
Input voltage on FT, FTf and RST pins VIN -0.3 5.5 V 2.0 V ≤ VDD ≤ 3.6 V 51
Input voltage on FT, FTf and RST pins VIN -0.3 5.2 V 1.65 V ≤ VDD ≤ 2.0 V 51
Input voltage on BOOT0 pin VIN 0 5.5 V 51
Power dissipation LQFP48 package PD 351 mW TA = 85 °C (range 6) 51
Power dissipation LQFP48 package PD 88 mW TA = 125 °C (range 3) 51
Temperature range TA -40 125 °C Temperature range 3 52
Junction temperature range TJ -40 130 °C Range 3, -40 °C ≤ TA ≤ 125 °C 52
Power on/power down reset threshold, falling edge VPOR/PDR 1 1.5 1.65 V Falling edge 52
Power on/power down reset threshold, rising edge VPOR/PDR 1.3 1.5 1.65 V Rising edge 52
Brown-out reset threshold 0, falling edge VBOR0 1.67 1.7 1.74 V Falling edge 52
Brown-out reset threshold 0, rising edge VBOR0 1.69 1.76 1.8 V Rising edge 52
Programmable voltage detector threshold 0, falling edge VPVD0 1.8 1.85 1.88 V Falling edge 53
Internal reference voltage VREFINT out 1.202 1.224 1.242 V -40 °C < TJ < +125 °C 54
Temperature coefficient of internal reference voltage TCoeff 25 100 ppm/°C -40 °C < TJ < +125 °C 54
Voltage coefficient of internal reference voltage VDDCoeff 2000 ppm/V 3.0 V < VDDA < 3.6 V 54
1/4 reference voltage VREFINT_DIV1 24 25 26 % 54
Supply current in Stop mode IDD (Stop) 0.38 0.99 µA TA = -40 °C to 25 °C 62
Supply current in Stop mode IDD (Stop) 7.55 19 µA TA = 125 °C 62
Supply current in Standby mode, independent watchdog and LSI enabled IDD (Standby) 0.8 1.6 µA TA = -40 °C to 25 °C 63
Supply current in Standby mode, independent watchdog and LSI off IDD (Standby) 1.55 5 µA TA = 125 °C 63
Supply current in Run mode, code executed from Flash IDD (Run from Flash) 140 200 µA Range 3, VCORE=1.2 V, VOS[1:0]=11, 1 MHz 56
Supply current in Run mode, code executed from Flash IDD (Run from Flash) 5 5.6 mA Range 1, VCORE=1.8 V, VOS[1:0]=01, 32 MHz 56
Frequency of 16 MHz HSI16 oscillator fHSI16 16 MHz VDD = 3.0 V 71
Accuracy of factory-calibrated HSI16 oscillator ACCHSI16 -5.45 3.25 % VDDA = 1.65 V to 3.6 V, TA = -40 to 125 °C 71
HSE oscillator frequency fOSC_IN 1 25 MHz 69
LSE oscillator frequency fLSE 32.768 kHz 70
LSI frequency fLSI 26 38 56 kHz 72
LSI oscillator frequency drift DLSI -10 4 % 0 °C ≤ TA ≤ 85 °C 72
Frequency error of MSI after factory calibration ACCMSI -0.5 0.5 % After factory calibration 72
Weak pull-up equivalent resistor RPU 25 45 65 kΩ VIN = VSS 79
Weak pull-down equivalent resistor RPD 25 45 65 kΩ VIN = VDD 79
I/O pin capacitance CIO 5 pF 79
Output low level voltage for an I/O pin, CMOS port VOL 0.4 V IIO = +8 mA, 2.7 V ≤ VDD ≤ 3.6 V 81
Output low level voltage for an I/O pin, TTL port VOL 0.4 V IIO = +8 mA, 2.7 V ≤ VDD ≤ 3.6 V 81
Output high level voltage for an I/O pin, TTL port VOH 2.4 V IIO = -6 mA, 2.7 V ≤ VDD ≤ 3.6 V 81
Output low level voltage for an I/O pin VOL 0.45 V IIO = +4 mA, 1.65 V ≤ VDD < 3.6 V 81
NRST input low level voltage VIL(NRST) 0.8 V 83
NRST input high level voltage VIH(NRST) 1.4 V 83
Weak pull-up equivalent resistor on NRST RPU 25 45 65 kΩ VIN = VSS 83
Analog supply voltage for ADC on, fast channel VDDA 1.65 3.6 V Fast channel 84
Analog supply voltage for ADC on, standard channel VDDA 1.75 3.6 V Standard channel 84
ADC clock frequency fADC 0.14 16 MHz Voltage scaling Range 1 84
ADC clock frequency fADC 0.14 8 MHz Voltage scaling Range 2 84
Programming time for word or half-page, programming tprog 3.28 3.94 ms 74
Cycling (erase / write) program memory NCYC 10 kcycles TA = -40 °C to 105 °C 75

CAD (KiCad official)

  • Symbol: STM32L041C6T7
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32l041c6t7-etched.step / stm32l041c6t7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l041c6t7.step / stm32l041c6t7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (123 pp, sha256 135a63989913af4f, retrieved 2026-11-06, tier: manufacturer)
  • 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