CKS32F051R8T6

{
  "slug": "cks32f051r8t6",
  "version": "0.1.0",
  "type": "component",
  "description": "CKS Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "cks32f051r8t6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "cks32f051r8t6.step",
    "cks32f051r8t6.lbr",
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    "docs/cks32f051r8t6-datasheet.pdf",
    "viewers/symbol.html",
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  "component": {
    "mpn": "CKS32F051R8T6",
    "manufacturer": "CKS",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757207401684709376",
    "parts": {
      "symbol": "cks32f051r8t6.kicad_sym",
      "footprint": "cks32f051r8t6.kicad_mod",
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      "lbr": "cks32f051r8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C556575"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:34:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC, external 32 kHz oscillator and backup registers when VDD is off, specified at 1.65 to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Backup-domain 3.3 V standard I/O (TC) with RTC tamper/timestamp/output and WKUP2 alternate functions; sink current is limited to 3 mA through the power switch."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "Backup-domain 3.3 V standard I/O (TC) whose alternate function is the OSC32_IN input of the 32.768 kHz oscillator, with the same power-switch output limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "Backup-domain 3.3 V standard I/O (TC) whose alternate function is the OSC32_OUT output of the 32.768 kHz oscillator, with the same power-switch output limits as PC13."
      },
      {
        "number": "5",
        "name": "PF0/OSC_IN",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) whose alternate function is OSC_IN, the 4-32 MHz high-speed external oscillator input."
      },
      {
        "number": "6",
        "name": "PF1/OSC_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) whose alternate function is OSC_OUT, the high-speed external oscillator output."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset input and internal reset output with a weak pull-up that cannot be disabled (RST structure)."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) connected directly to ADC input ADC_IN10, with EVENTOUT alternate function."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) connected directly to ADC input ADC_IN11, with EVENTOUT alternate function."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) connected directly to ADC input ADC_IN12, with EVENTOUT alternate function."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) connected directly to ADC input ADC_IN13, with EVENTOUT alternate function."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC, comparators, reset block, RC oscillators and PLL; all voltages are referenced to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0 to 3.6 V for the ADC, reset block, RC oscillators and PLL (2.4 V minimum when ADC/DAC are used); must be equal to or higher than VDD and powered first."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN0, COMP1_INM6, RTC_TAMP2 and WKUP1 functions; alternate functions include USART2_CTS, TIM2_CH1_ETR, COMP1_OUT and TSC_G1_IO1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN1 and COMP1_INP inputs; alternate functions include USART2_RTS, TIM2_CH2, TSC_G1_IO2 and EVENTOUT."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN2 and COMP2_INM6 inputs; alternate functions include USART2_TX, TIM2_CH3, TIM15_CH1, COMP2_OUT and TSC_G1_IO3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN3 and COMP2_INP inputs; alternate functions include USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4."
      },
      {
        "number": "18",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with EVENTOUT alternate function."
      },
      {
        "number": "19",
        "name": "PF5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with EVENTOUT alternate function."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN4, COMP1_INM4, COMP2_INM4 and DAC1_OUT analog functions; alternate functions include SPI1_NSS/I2S1_WS, USART2_CK, TIM14_CH1 and TSC_G2_IO1."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN5, COMP1_INM5 and COMP2_INM5 inputs; alternate functions include SPI1_SCK/I2S1_CK, CEC, TIM2_CH_ETR and TSC_G2_IO2."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN6 input; alternate functions include SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3 and EVENTOUT."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN7 input; alternate functions include SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4 and EVENTOUT."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN14 input and EVENTOUT alternate function."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN15 input and TSC_G3_IO1 touch-sensing alternate function."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN8 input; alternate functions include TIM3_CH3, TIM1_CH2N, TSC_G3_IO2 and EVENTOUT."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with ADC_IN9 input; alternate functions include TIM3_CH4, TIM14_CH1, TIM1_CH3N and TSC_G3_IO3."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TSC_G3_IO4 touch-sensing alternate function."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions I2C2_SCL, CEC, TIM2_CH3 and TSC_SYNC."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions I2C2_SDA, TIM2_CH4, TSC_G6_IO1 and EVENTOUT."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin for the I/O and core; all voltages are referenced to VSS."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 to 3.6 V for the I/O and internal regulator, supplied externally on the VDD pin."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI2_NSS, TIM1_BKIN, TSC_G6_IO2 and EVENTOUT."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI2_SCK, TIM1_CH1N and TSC_G6_IO3."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MISO, TIM15_CH1, TIM1_CH2N and TSC_G6_IO4."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MOSI, TIM15_CH2, TIM1_CH3N, TIM15_CH1N and RTC_REFIN."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM3_CH1 alternate function."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM3_CH2 alternate function."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM3_CH3 alternate function."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM3_CH4 alternate function."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions USART1_CK, TIM1_CH1, EVENTOUT and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions USART1_TX, TIM1_CH2, TIM15_BKIN and TSC_G4_IO1."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions USART1_RX, TIM1_CH3, TIM17_BKIN and TSC_G4_IO2."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3 and EVENTOUT."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4 and EVENTOUT."
      },
      {
        "number": "46",
        "name": "PA13(SWDAT)",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that defaults to SWDAT after reset with internal pull-up enabled; alternate function IR_OUT."
      },
      {
        "number": "47",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate function I2C2_SCL."
      },
      {
        "number": "48",
        "name": "PF7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate function I2C2_SDA."
      },
      {
        "number": "49",
        "name": "PA14(SWCLK)",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that defaults to SWCLK after reset with internal pull-down enabled; alternate function USART2_TX."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH_ETR and EVENTOUT."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); no alternate function is listed for this pin in the datasheet pin table."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); no alternate function is listed for this pin in the datasheet pin table."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); no alternate function is listed for this pin in the datasheet pin table."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM3_ETR alternate function."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI1_SCK/I2S1_CK, TIM2_CH2, TSC_G5_IO1 and EVENTOUT."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, TSC_G5_IO2 and EVENTOUT."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MOSI/I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf) with alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf) with alternate functions I2C1_SDA, USART1_RX, TIM17_CH1N and TSC_G5_IO4."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot memory selection pin, input only; it must be externally pulled high or low and must not be left floating (0 to 5.5 V per Table 19)."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf) with alternate functions I2C1_SCL, CEC, TIM16_CH1 and TSC_SYNC."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf) with alternate functions I2C1_SDA, IR_OUT, TIM17_CH1 and EVENTOUT."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin; all voltages are referenced to VSS."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 to 3.6 V for the I/O and internal regulator."
      }
    ],
    "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: Pin 31 (VSS) is typed 'I/O' in the datasheet pin table (Table 12, p.27) but is a digital ground; it ; Pin 63 (VSS) and pin 64 (VDD) are typed 'I/O' / 'S' in Table 12; reported as power_in because they a; PC13, PC14 and PC15 (pins 2-4) are supplied through a backup-domain power switch limited to 3 mA. Pe"
        ],
        "pages_sent": 85,
        "cost_usd": 0.3242,
        "at": "2026-10-19T02:31:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757207401684709376",
        "pages": 91,
        "sha256": "e733607a3ed17f59",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}