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STM8L152K4U6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# STM8L152K4U6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · UFQFPN-32(5x5)++STM8L152K4U6 from STMicroelectronics, in a UFQFPN-32(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | NRST/PA1 | bidirectional | Active-low reset input with pull-up at power-up; as general-purpose PA1 it can only be configured as open-drain or push-pull output, not as an input. |+| 2 | PA2 | bidirectional | Port A2 (3.6 V tolerant, high sink/source) also serving as HSE oscillator input, USART1 transmit or SPI1 MISO alternate function. |+| 3 | PA3 | bidirectional | Port A3 (3.6 V tolerant, high sink/source) also serving as HSE oscillator output, USART1 receive or SPI1 MOSI alternate function. |+| 4 | PA4 | bidirectional | Port A4 (3.6 V tolerant) with Timer 2 break input, LCD COM0, ADC1 input 2 and comparator 1 positive input functions. |+| 5 | PA5 | bidirectional | Port A5 (3.6 V tolerant) with Timer 3 break input, LCD COM1, ADC1 input 1 and comparator 1 positive input functions. |+| 6 | PA6 | bidirectional | Port A6 (3.6 V tolerant) with LCD COM2, ADC1 input 0 and comparator 1 positive input functions, plus optional ADC1 trigger remap. |+| 7 | VSS1/VSSA/VREF- | power_in | I/O ground, analog ground and ADC1 negative voltage reference pin. |+| 8 | VDD1/VDDA/VREF+ | power_in | Digital power supply, analog supply and ADC1 positive voltage reference pin, operating over 1.8 V to 3.6 V. |+| 9 | VLCD | power_in | LCD booster external capacitor connection (STM8L152xx LCD variant only). |+| 10 | PD1 | bidirectional | Port D1 (3.6 V tolerant) with TIM1 inverted channel 3, optional TIM3 external trigger, LCD COM3, ADC1 input 21 and comparator 2/1 positive inputs. |+| 11 | PD2 | bidirectional | Port D2 (3.6 V tolerant) with TIM1 channel 1, LCD segment 8, ADC1 input 20 and comparator 1 positive input functions. |+| 12 | PD3 | bidirectional | Port D3 (3.6 V tolerant) with TIM1 external trigger, LCD segment 9, ADC1 input 19 and comparator 1 positive input functions. |+| 13 | PB0 | bidirectional | Port B0 (3.6 V tolerant) with TIM2 channel 1, LCD segment 10, ADC1 input 18 and comparator 1 positive input; a pull-up is applied during the reset phase and the pin is floating input after reset release. |+| 14 | PB1 | bidirectional | Port B1 (3.6 V tolerant) with TIM3 channel 1, LCD segment 11, ADC1 input 17 and comparator 1 positive input functions. |+| 15 | PB2 | bidirectional | Port B2 (3.6 V tolerant) with TIM2 channel 2, LCD segment 12, ADC1 input 16 and comparator 1 positive input functions. |+| 16 | PB3 | bidirectional | Port B3 (3.6 V tolerant) with optional TIM2 external trigger, TIM1 inverted channel 2, LCD segment 13, ADC1 input 15 and comparator 1 positive input functions. |+| 17 | PB4 | bidirectional | Port B4 (3.6 V tolerant) with optional SPI1 NSS, LCD segment 14, ADC1 input 14, DAC output and comparator 1 positive input; a pull-up is applied during reset and the pin is floating input after reset release. |+| 18 | PB5 | bidirectional | Port B5 (3.6 V tolerant) with optional SPI1 clock, LCD segment 15, ADC1 input 13, DAC output and comparator 1 positive input functions. |+| 19 | PB6 | bidirectional | Port B6 (3.6 V tolerant) with optional SPI1 MOSI, LCD segment 16, ADC1 input 12, DAC output and comparator 1 positive input functions. |+| 20 | PB7 | bidirectional | Port B7 (3.6 V tolerant) with optional SPI1 MISO, LCD segment 17, ADC1 input 11 and comparator 1 positive input functions. |+| 21 | PD4 | bidirectional | Port D4 (3.6 V tolerant) with TIM1 channel 2, LCD segment 18, ADC1 input 10 and comparator 1 positive input functions. |+| 22 | PD5 | bidirectional | Port D5 (3.6 V tolerant) with TIM1 channel 3, LCD segment 19, ADC1 input 9 and comparator 1 positive input functions. |+| 23 | PD6 | bidirectional | Port D6 (3.6 V tolerant) with TIM1 break input, LCD segment 20, ADC1 input 8, RTC calibration, internal voltage reference output and comparator 1 positive input functions. |+| 24 | PD7 | bidirectional | Port D7 (3.6 V tolerant) with TIM1 inverted channel 1, LCD segment 21, ADC1 input 7, RTC alarm, internal voltage reference output and comparator 1 positive input functions. |+| 25 | PC0 | bidirectional | Port C0 (5 V tolerant I/O, no protection diode to VDD, true open-drain) carrying the I2C1 SDA signal. |+| 26 | PC1 | bidirectional | Port C1 (5 V tolerant I/O, no protection diode to VDD, true open-drain) carrying the I2C1 SCL signal. |+| 27 | PC2 | bidirectional | Port C2 (3.6 V tolerant) with USART1 receive, LCD segment 22, ADC1 input 6, comparator 1 positive input and internal voltage reference output functions. |+| 28 | PC3 | bidirectional | Port C3 (3.6 V tolerant) with USART1 transmit, LCD segment 23, ADC1 input 5, comparator 1 positive input and comparator 2 negative input functions. |+| 29 | PC4 | bidirectional | Port C4 (3.6 V tolerant) with USART1 synchronous clock, I2C1 SMBus, configurable clock output, LCD segment 24, ADC1 input 4 and comparator inputs. |+| 30 | PC5 | bidirectional | Port C5 (3.6 V tolerant) also serving as LSE 32 kHz oscillator input, with optional SPI1 NSS and USART1 transmit alternate functions. |+| 31 | PC6 | bidirectional | Port C6 (3.6 V tolerant) also serving as LSE 32 kHz oscillator output, with optional SPI1 clock and USART1 receive alternate functions. |+| 32 | PA0 | bidirectional | Port A0 with input pull-up during and after reset, high-sink LED driver capability, and alternate functions USART1 clock, SWIM input/output, beeper output and infrared timer output. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | UFQFPN-32(5x5) |+| Category | Embedded Processors & Controllers |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `STM8L152K4U6`+- Footprint: `Package_DFN_QFN:UFQFPN-32-1EP_5x5mm_P0.5mm_EP3.5x3.5mm`+- 3D model: UFQFPN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `stm8l152k4u6-etched.step` / `stm8l152k4u6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm8l152k4u6.step` / `stm8l152k4u6.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922175034707968) (141 pp, sha256 `76f669f0972e887a`, retrieved 2026-10-08, tier: lcsc)+- **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](docs/stm8l152k4u6-datasheet.pdf)
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as general-purpose PA1 it can only be configured as open-drain or push-pull output, not as an input."+ },+ {+ "number": "2",+ "name": "PA2",+ "type": "bidirectional",+ "description": "Port A2 (3.6 V tolerant, high sink/source) also serving as HSE oscillator input, USART1 transmit or SPI1 MISO alternate function."+ },+ {+ "number": "3",+ "name": "PA3",+ "type": "bidirectional",+ "description": "Port A3 (3.6 V tolerant, high sink/source) also serving as HSE oscillator output, USART1 receive or SPI1 MOSI alternate function."+ },+ {+ "number": "4",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Port A4 (3.6 V tolerant) with Timer 2 break input, LCD COM0, ADC1 input 2 and comparator 1 positive input functions."+ },+ {+ "number": "5",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Port A5 (3.6 V tolerant) with Timer 3 break input, LCD COM1, ADC1 input 1 and comparator 1 positive input functions."+ },+ {+ "number": "6",+ "name": "PA6",+ "type": "bidirectional",+ "description": "Port A6 (3.6 V tolerant) with LCD COM2, ADC1 input 0 and comparator 1 positive input functions, plus optional ADC1 trigger remap."+ },+ {+ "number": "7",+ "name": "VSS1/VSSA/VREF-",+ "type": "power_in",+ "description": "I/O ground, analog ground and ADC1 negative voltage reference pin."+ },+ {+ "number": "8",+ "name": "VDD1/VDDA/VREF+",+ "type": "power_in",+ "description": "Digital power supply, analog supply and ADC1 positive voltage reference pin, operating over 1.8 V to 3.6 V."+ },+ {+ "number": "9",+ "name": "VLCD",+ "type": "power_in",+ "description": "LCD booster external capacitor connection (STM8L152xx LCD variant only)."+ },+ {+ "number": "10",+ "name": "PD1",+ "type": "bidirectional",+ "description": "Port D1 (3.6 V tolerant) with TIM1 inverted channel 3, optional TIM3 external trigger, LCD COM3, ADC1 input 21 and comparator 2/1 positive inputs."+ },+ {+ "number": "11",+ "name": "PD2",+ "type": "bidirectional",+ "description": "Port D2 (3.6 V tolerant) with TIM1 channel 1, LCD segment 8, ADC1 input 20 and comparator 1 positive input functions."+ },+ {+ "number": "12",+ "name": "PD3",+ "type": "bidirectional",+ "description": "Port D3 (3.6 V tolerant) with TIM1 external trigger, LCD segment 9, ADC1 input 19 and comparator 1 positive input functions."+ },+ {+ "number": "13",+ "name": "PB0",+ "type": "bidirectional",+ "description": "Port B0 (3.6 V tolerant) with TIM2 channel 1, LCD segment 10, ADC1 input 18 and comparator 1 positive input; a pull-up is applied during the reset phase and the pin is floating input after reset release."+ },+ {+ "number": "14",+ "name": "PB1",+ "type": "bidirectional",+ "description": "Port B1 (3.6 V tolerant) with TIM3 channel 1, LCD segment 11, ADC1 input 17 and comparator 1 positive input functions."+ },+ {+ "number": "15",+ "name": "PB2",+ "type": "bidirectional",+ "description": "Port B2 (3.6 V tolerant) with TIM2 channel 2, LCD segment 12, ADC1 input 16 and comparator 1 positive input functions."+ },+ {+ "number": "16",+ "name": "PB3",+ "type": "bidirectional",+ "description": "Port B3 (3.6 V tolerant) with optional TIM2 external trigger, TIM1 inverted channel 2, LCD segment 13, ADC1 input 15 and comparator 1 positive input functions."+ },+ {+ "number": "17",+ "name": "PB4",+ "type": "bidirectional",+ "description": "Port B4 (3.6 V tolerant) with optional SPI1 NSS, LCD segment 14, ADC1 input 14, DAC output and comparator 1 positive input; a pull-up is applied during reset and the pin is floating input after reset release."+ },+ {+ "number": "18",+ "name": "PB5",+ "type": "bidirectional",+ "description": "Port B5 (3.6 V tolerant) with optional SPI1 clock, LCD segment 15, ADC1 input 13, DAC output and comparator 1 positive input functions."+ },+ {+ "number": "19",+ "name": "PB6",+ "type": "bidirectional",+ "description": "Port B6 (3.6 V tolerant) with optional SPI1 MOSI, LCD segment 16, ADC1 input 12, DAC output and comparator 1 positive input functions."+ },+ {+ "number": "20",+ "name": "PB7",+ "type": "bidirectional",+ "description": "Port B7 (3.6 V tolerant) with optional SPI1 MISO, LCD segment 17, ADC1 input 11 and comparator 1 positive input functions."+ },+ {+ "number": "21",+ "name": "PD4",+ "type": "bidirectional",+ "description": "Port D4 (3.6 V tolerant) with TIM1 channel 2, LCD segment 18, ADC1 input 10 and comparator 1 positive input functions."+ },+ {+ "number": "22",+ "name": "PD5",+ "type": "bidirectional",+ "description": "Port D5 (3.6 V tolerant) with TIM1 channel 3, LCD segment 19, ADC1 input 9 and comparator 1 positive input functions."+ },+ {+ "number": "23",+ "name": "PD6",+ "type": "bidirectional",+ "description": "Port D6 (3.6 V tolerant) with TIM1 break input, LCD segment 20, ADC1 input 8, RTC calibration, internal voltage reference output and comparator 1 positive input functions."+ },+ {+ "number": "24",+ "name": "PD7",+ "type": "bidirectional",+ "description": "Port D7 (3.6 V tolerant) with TIM1 inverted channel 1, LCD segment 21, ADC1 input 7, RTC alarm, internal voltage reference output and comparator 1 positive input functions."+ },+ {+ "number": "25",+ "name": "PC0",+ "type": "bidirectional",+ "description": "Port C0 (5 V tolerant I/O, no protection diode to VDD, true open-drain) carrying the I2C1 SDA signal."+ },+ {+ "number": "26",+ "name": "PC1",+ "type": "bidirectional",+ "description": "Port C1 (5 V tolerant I/O, no protection diode to VDD, true open-drain) carrying the I2C1 SCL signal."+ },+ {+ "number": "27",+ "name": "PC2",+ "type": "bidirectional",+ "description": "Port C2 (3.6 V tolerant) with USART1 receive, LCD segment 22, ADC1 input 6, comparator 1 positive input and internal voltage reference output functions."+ },+ {+ "number": "28",+ "name": "PC3",+ "type": "bidirectional",+ "description": "Port C3 (3.6 V tolerant) with USART1 transmit, LCD segment 23, ADC1 input 5, comparator 1 positive input and comparator 2 negative input functions."+ },+ {+ "number": "29",+ "name": "PC4",+ "type": "bidirectional",+ "description": "Port C4 (3.6 V tolerant) with USART1 synchronous clock, I2C1 SMBus, configurable clock output, LCD segment 24, ADC1 input 4 and comparator inputs."+ },+ {+ "number": "30",+ "name": "PC5",+ "type": "bidirectional",+ "description": "Port C5 (3.6 V tolerant) also serving as LSE 32 kHz oscillator input, with optional SPI1 NSS and USART1 transmit alternate functions."+ },+ {+ "number": "31",+ "name": "PC6",+ "type": "bidirectional",+ "description": "Port C6 (3.6 V tolerant) also serving as LSE 32 kHz oscillator output, with optional SPI1 clock and USART1 receive alternate functions."+ },+ {+ "number": "32",+ "name": "PA0",+ "type": "bidirectional",+ "description": "Port A0 with input pull-up during and after reset, high-sink LED driver capability, and alternate functions USART1 clock, SWIM input/output, beeper output and infrared timer output."+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: MPN STM8L152K4U6 decodes to 32-pin (K), UFQFPN package (U), 16 KB Flash, -40 to 85 °C, and this is t; Pin 9 has two candidates in the source. The 32-pin PD0 row (LQFP32 = 9) is annotated 'Port D0(8)' wh; Pins 7 and 8 are shared dual-function supply/reference pins (VSS1/VSSA/VREF- and VDD1/VDDA/VREF+) in",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 56,+ "cost_usd": 0.2662,+ "at": "2026-10-08T04:47:02"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922175034707968",+ "pages": 141,+ "sha256": "76f669f0972e887a",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm8l152k4u6.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "90af021df1253eae35bee4f4a4f9ba63bcf4a308f6e9f12d58f6e00181c23140",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm8l152k4u6-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "8ae5d71f76b9e9c8e886dfdae4ddfda59762062af267509b32794cdcf76dd7c8",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}