STC15W4K48S4-30I-LQFP44

{
  "slug": "stc15w4k48s4-30i-lqfp44",
  "version": "0.1.0",
  "type": "component",
  "description": "STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stc15w4k48s4-30i-lqfp44",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
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    "stc15w4k48s4-30i-lqfp44.glb",
    "stc15w4k48s4-30i-lqfp44.step",
    "stc15w4k48s4-30i-lqfp44.lbr",
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    "docs/stc15w4k48s4-30i-lqfp44-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "stc15w4k48s4-30i-lqfp44-hero.overlay.json",
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  "component": {
    "mpn": "STC15W4K48S4-30I-LQFP44",
    "manufacturer": "STC Micro",
    "package": "LQFP-44(10x10)",
    "pin_count": 44,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609193685817184256",
    "parts": {
      "symbol": "stc15w4k48s4-30i-lqfp44.kicad_sym",
      "footprint": "stc15w4k48s4-30i-lqfp44.kicad_mod",
      "model_3d": "stc15w4k48s4-30i-lqfp44-hero.glb",
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      "model_3d_step_plain": "stc15w4k48s4-30i-lqfp44.step",
      "lbr": "stc15w4k48s4-30i-lqfp44.lbr"
    },
    "distributor_links": {
      "lcsc": "C87255"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:58:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.5 (PORT0[5]) that also serves as AD5 address/data bus bit, Timer 3 external input T3, and PWMFLT_2 PWM exception-stop input; it is quasi-bidirectional with weak pull-up after reset."
      },
      {
        "number": "2",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.6 (PORT0[6]) that also serves as AD6 address/data bus bit, T4CLKO Timer 4 clock output, and PWM7_2 output channel 7; it is high-impedance input after power-on, so it must be set to another mode before use and needs an external pull-up if high-impedance in power-down mode."
      },
      {
        "number": "3",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.7 (PORT0[7]) that also serves as AD7 address/data bus bit, Timer 4 external input T4, and PWM6_2 output channel 6; it is high-impedance input after power-on, so it must be configured before use and needs an external pull-up if high-impedance in power-down mode."
      },
      {
        "number": "4",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.0 (PORT1[0]) that also serves as ADC0 analog input channel 0, CCP1 capture/PWM channel 1, and RxD2 UART2 receive input."
      },
      {
        "number": "5",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.1 (PORT1[1]) that also serves as ADC1 analog input channel 1, CCP0 capture/PWM channel 0, and TxD2 UART2 transmit output."
      },
      {
        "number": "6",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.7 (PORT4[7]) that also serves as TxD2_2, the alternate UART2 transmit output."
      },
      {
        "number": "7",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.2 (PORT1[2]) that also serves as ADC2 analog input channel 2, SPI slave select SS, CCP/PCA external clock input ECI, and comparator output CMPO."
      },
      {
        "number": "8",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.3 (PORT1[3]) that also serves as ADC3 analog input channel 3 and SPI MOSI (master out / slave in)."
      },
      {
        "number": "9",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.4 (PORT1[4]) that also serves as ADC4 analog input channel 4 and SPI MISO (master in / slave out)."
      },
      {
        "number": "10",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.5 (PORT1[5]) that also serves as ADC5 analog input channel 5 and SPI SCLK clock signal."
      },
      {
        "number": "11",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.6 (PORT1[6]) that also serves as ADC6 input, RxD_3 UART1 alternate receive, SysClkO_2 system clock output, PWM6 output channel 6 (high-impedance after power-on), and XTAL2 crystal amplifier output."
      },
      {
        "number": "12",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Standard I/O port pin P1.7 (PORT1[7]) that also serves as ADC7 input, TxD_3 UART1 alternate transmit, PWM7 output channel 7 (high-impedance after power-on), and XTAL1 crystal amplifier input or external clock input."
      },
      {
        "number": "13",
        "name": "P5.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P5.4 (PORT5[4]) that also serves as RST active-high reset input, SysClkO system clock output, SPI slave select SS_3, and comparator negative input CMP-, which must be set to high-impedance input when used as CMP-."
      },
      {
        "number": "14",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive power supply pin; the STC15W4K32S4 series operates from 2.5 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "P5.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P5.5 (PORT5[5]) that also serves as comparator positive input CMP+, which must be set to high-impedance input when used as CMP+."
      },
      {
        "number": "16",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground (negative power supply) pin."
      },
      {
        "number": "17",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.0 (PORT4[0]) that also serves as SPI MOSI_3 alternate pin per the pin map (the description table lists it as MISO_3)."
      },
      {
        "number": "18",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.0 (PORT3[0]) that also serves as UART1 receive RxD, external interrupt INT4 (falling edge only, power-down wake-up capable), and T2CLKO Timer 2 clock output; P3.0/P3.1 are also used for download and emulation."
      },
      {
        "number": "19",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.1 (PORT3[1]) that also serves as UART1 transmit TxD and external count input T2 for Timer 2."
      },
      {
        "number": "20",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.2 (PORT3[2]) that also serves as external interrupt INT0, which triggers on rising and falling edges (falling edge only when IT0 is set) and supports power-down wake-up."
      },
      {
        "number": "21",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.3 (PORT3[3]) that also serves as external interrupt INT1, which triggers on rising and falling edges (falling edge only when IT1 is set) and supports power-down wake-up."
      },
      {
        "number": "22",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.4 (PORT3[4]) that also serves as Timer 0 external input T0, T1CLKO Timer 1 clock output, and CCP/PCA external clock input ECI_2."
      },
      {
        "number": "23",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.5 (PORT3[5]) that also serves as Timer 1 external input T1, T0CLKO Timer 0 clock output, and CCP0_2 capture/PWM channel 0."
      },
      {
        "number": "24",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.6 (PORT3[6]) that also serves as external interrupt INT2 (falling edge only, power-down wake-up capable), UART1 alternate receive RxD_2, and CCP1_2 capture/PWM channel 1."
      },
      {
        "number": "25",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Standard I/O port pin P3.7 (PORT3[7]) that also serves as external interrupt INT3 (falling edge only, power-down wake-up capable), UART1 alternate transmit TxD_2, and PWM2 output channel 2 (high-impedance after power-on)."
      },
      {
        "number": "26",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.1 (PORT4[1]) that also serves as SPI MISO_3 alternate pin per the pin map (the description table lists it as MOSI_3)."
      },
      {
        "number": "27",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.2 (PORT4[2]) that also serves as external data memory write strobe WR and PWM5_2 output channel 5 (high-impedance after power-on)."
      },
      {
        "number": "28",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.3 (PORT4[3]) that also serves as SPI SCLK_3 alternate clock signal."
      },
      {
        "number": "29",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.4 (PORT4[4]) that also serves as external data memory read strobe RD and PWM4_2 output channel 4 (high-impedance after power-on)."
      },
      {
        "number": "30",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.0 (PORT2[0]) that also serves as address bus bit A8 and RSTOUT_LOW, which outputs low after power-on and during reset."
      },
      {
        "number": "31",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.1 (PORT2[1]) that also serves as address bus bit A9, SPI SCLK_2 alternate clock, and PWM3 output channel 3 (high-impedance after power-on)."
      },
      {
        "number": "32",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.2 (PORT2[2]) that also serves as address bus bit A10, SPI MISO_2 alternate pin, and PWM4 output channel 4 (high-impedance after power-on)."
      },
      {
        "number": "33",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.3 (PORT2[3]) that also serves as address bus bit A11, SPI MOSI_2 alternate pin, and PWM5 output channel 5 (high-impedance after power-on)."
      },
      {
        "number": "34",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.4 (PORT2[4]) that also serves as address bus bit A12, CCP/PCA external clock input ECI_3, SPI slave select SS_2, and PWM exception-stop input PWMFLT."
      },
      {
        "number": "35",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.5 (PORT2[5]) that also serves as address bus bit A13 and CCP0_3 capture/PWM channel 0."
      },
      {
        "number": "36",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.6 (PORT2[6]) that also serves as address bus bit A14 and CCP1_3 capture/PWM channel 1."
      },
      {
        "number": "37",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Standard I/O port pin P2.7 (PORT2[7]) that also serves as address bus bit A15 and PWM2_2 output channel 2 (high-impedance after power-on)."
      },
      {
        "number": "38",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.5 (PORT4[5]) that also serves as address latch enable ALE and PWM3_2 output channel 3 (high-impedance after power-on)."
      },
      {
        "number": "39",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "Standard I/O port pin P4.6 (PORT4[6]) that also serves as UART2 alternate receive RxD2_2."
      },
      {
        "number": "40",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.0 (PORT0[0]) that also serves as address/data bus bit AD0 and UART3 receive RxD3; Port 0 is quasi-bidirectional with weak pull-up after reset."
      },
      {
        "number": "41",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.1 (PORT0[1]) that also serves as address/data bus bit AD1 and UART3 transmit TxD3."
      },
      {
        "number": "42",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.2 (PORT0[2]) that also serves as address/data bus bit AD2 and UART4 receive RxD4."
      },
      {
        "number": "43",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.3 (PORT0[3]) that also serves as address/data bus bit AD3 and UART4 transmit TxD4."
      },
      {
        "number": "44",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Standard I/O port pin P0.4 (PORT0[4]) that also serves as address/data bus bit AD4 and T3CLKO Timer 3 clock output."
      }
    ],
    "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: Package size conflict: the package hint says LQFP-44 (10x10), but the datasheet lists LQFP44 as 12mm; Pin 17 and pin 26 SPI labels conflict inside the datasheet. The LQFP44 pin map (page 83) labels pin ; The LQFP44 pin map is printed under the STC15W4K32S4 series heading (page 83). The datasheet gives n"
        ],
        "pages_sent": 169,
        "cost_usd": 1.0547,
        "at": "2026-10-20T17:56:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609193685817184256",
        "pages": 1219,
        "sha256": "cc8c299c891646e0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc15w4k48s4-30i-lqfp44-etched.step",
        "role": "eda",
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        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "b00f6c9cc0bd457228cf95a4d200beab37ec1750041f79545e70270581a09ac8",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}