stm8s003k3t6c

@@ -0,0 +1,76 @@+# STM8S003K3T6C++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)++STM8S003K3T6C from STMicroelectronics, in a LQFP-32(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 | NRST | bidirectional | Active-low bidirectional reset pin with internal weak pull-up. Driven low externally or by internal reset sources (POR/BOR, watchdog, SWIM); recommended external protection network (see Fig 37). |+| 2 | PA1/OSCIN | bidirectional | Port A bit 1 / HSE oscillator (resonator/crystal) input. In Halt/Active-halt this pin is forced to input weak pull-up. |+| 3 | PA2/OSCOUT | bidirectional | Port A bit 2 / HSE oscillator (resonator/crystal) output. Standard I/O with slow (O1) output speed by default. |+| 4 | VSS | power_in | Digital ground reference for the MCU. Tie to the system ground plane. |+| 5 | VCAP | passive | Internal 1.8 V regulator decoupling pin. Must be connected to VSS through an external low-ESR ceramic capacitor (typ. 470 nF-1 uF, see 9.3.1 VCAP external capacitor). |+| 6 | VDD | power_in | Digital supply input, 2.95 V to 5.5 V operating range. Decouple locally with a 100 nF ceramic close to the pin. |+| 7 | PA3/TIM2_CH3/[SPI_NSS] | bidirectional | Port A bit 3, high-sink I/O. Default alt-function TIM2 channel 3; can be remapped to SPI_NSS (slave select) via option bit AFR1. |+| 8 | PF4 | bidirectional | Port F bit 4, general-purpose I/O (no alternate function assigned). |+| 9 | PB7 | bidirectional | Port B bit 7, standard general-purpose I/O. |+| 10 | PB6 | bidirectional | Port B bit 6, standard general-purpose I/O. |+| 11 | PB5/I2C_SDA | bidirectional | Port B bit 5 / I2C data line. True open-drain output (no P-buffer, no weak pull-up, no protection diode to VDD); requires external pull-up resistor for I2C operation. |+| 12 | PB4/I2C_SCL | bidirectional | Port B bit 4 / I2C clock line. True open-drain output; requires external pull-up resistor for I2C bus operation (standard up to 100 kHz, fast up to 400 kHz). |+| 13 | PB3/AIN3/TIM1_ETR | bidirectional | Port B bit 3, high-sink I/O. Muxed with ADC analog input channel 3 and TIM1 external trigger input. |+| 14 | PB2/AIN2/TIM1_CH3N | bidirectional | Port B bit 2, high-sink I/O. Muxed with ADC analog input channel 2 and TIM1 inverted (complementary) channel 3 output. |+| 15 | PB1/AIN1/TIM1_CH2N | bidirectional | Port B bit 1, high-sink I/O. Muxed with ADC analog input channel 1 and TIM1 inverted (complementary) channel 2 output. |+| 16 | PB0/AIN0/TIM1_CH1N | bidirectional | Port B bit 0, high-sink I/O. Muxed with ADC analog input channel 0 and TIM1 inverted (complementary) channel 1 output. |+| 17 | PE5/SPI_NSS | bidirectional | Port E bit 5, high-sink I/O. Default alt-function: SPI slave/master select (NSS). |+| 18 | PC1/TIM1_CH1/UART1_CK | bidirectional | Port C bit 1, high-sink I/O. Muxed with TIM1 channel 1 (PWM/capture) and UART1 synchronous clock output. |+| 19 | PC2/TIM1_CH2 | bidirectional | Port C bit 2, high-sink I/O. Default alt-function: TIM1 channel 2. |+| 20 | PC3/TIM1_CH3 | bidirectional | Port C bit 3, high-sink I/O. Default alt-function: TIM1 channel 3. |+| 21 | PC4/TIM1_CH4/CLK_CCO | bidirectional | Port C bit 4, high-sink I/O. Muxed with TIM1 channel 4 and configurable clock output (CLK_CCO). |+| 22 | PC5/SPI_SCK | bidirectional | Port C bit 5, high-sink I/O. Default alt-function: SPI clock (SCK). |+| 23 | PC6/SPI_MOSI | bidirectional | Port C bit 6, high-sink I/O. Default alt-function: SPI master-out/slave-in (MOSI). |+| 24 | PC7/SPI_MISO | bidirectional | Port C bit 7, high-sink I/O. Default alt-function: SPI master-in/slave-out (MISO). |+| 25 | PD0/TIM1_BKIN/[CLK_CCO] | bidirectional | Port D bit 0, high-sink I/O. Default alt-function TIM1 break input; remappable to configurable clock output (CLK_CCO) via option bit AFR5. |+| 26 | PD1/SWIM | bidirectional | Port D bit 1 / SWIM (Single-Wire Interface Module) debug and programming pin. Held in input pull-up during reset and after internal reset release. |+| 27 | PD2/[TIM2_CH3] | bidirectional | Port D bit 2, high-sink I/O. Remappable to TIM2 channel 3 via option bit AFR1 (mutually exclusive with PA3 assignment). |+| 28 | PD3/TIM2_CH2/ADC_ETR | bidirectional | Port D bit 3, high-sink I/O. Muxed with TIM2 channel 2 and ADC external trigger input. |+| 29 | PD4/BEEP/TIM2_CH1 | bidirectional | Port D bit 4, high-sink I/O. Muxed with BEEP output (sound-generation square wave) and TIM2 channel 1. |+| 30 | PD5/UART1_TX | bidirectional | Port D bit 5, high-sink I/O. Default alt-function: UART1 asynchronous data transmit. |+| 31 | PD6/UART1_RX | bidirectional | Port D bit 6, high-sink I/O. Default alt-function: UART1 asynchronous data receive. |+| 32 | PD7/TLI/[TIM1_CH4] | bidirectional | Port D bit 7, high-sink I/O. Default alt-function: Top Level Interrupt (TLI); remappable to TIM1 channel 4 via option bit AFR6. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-32(7x7) |+| Category | MCU |+| Pins | 32 |++## Ordering variants++- `STM8S003K3T6C`+- `STM8S003K3T6CTR`+- `STM8S003K3T6CF3P6`+- `STM8S003K3T6CF3P6TR`+- `STM8S003K3T6CF3U6`+- `STM8S003K3T6CF3U6TR`++## CAD (KiCad official)++- Symbol: `STM8S003K3T6C`+- Footprint: `Package_QFP:LQFP-32_7x7mm_P0.8mm`+- 3D model: LQFP-32(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/stm8s003k3t6c.pdf) (None pp, sha256 `79e0b6f021db8416`, 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/stm8s003k3t6c-datasheet.pdf)

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