CKS32F405RGT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "cks32f405rgt6",
  "title": "CKS32F405RGT6",
  "brief": "CKS Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "cks32f405rgt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CKS32F405RGT6",
    "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/8757207410593275904",
    "parts": {
      "symbol": "cks32f405rgt6.kicad_sym",
      "footprint": "cks32f405rgt6.kicad_mod",
      "model_3d": "cks32f405rgt6-hero.glb",
      "model_3d_plain": "cks32f405rgt6-etched.glb",
      "model_3d_step": "cks32f405rgt6-etched.step",
      "model_3d_step_plain": "cks32f405rgt6.step",
      "lbr": "cks32f405rgt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185730"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:31:30Z",
      "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-domain supply (1.65-3.6 V) for the RTC, backup registers and backup SRAM; it must not be left floating and should be powered from VDD when no external battery is used."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) on the power-switched supply; in output mode it is limited to 2 MHz at 30 pF maximum load and must not be used as a current source such as an LED driver."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) on the power-switched supply with the same output limits (2 MHz at 30 pF, no current sourcing); it doubles as OSC32_IN for the 32.768 kHz oscillator."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) on the power-switched supply with the same output limits (2 MHz at 30 pF, no current sourcing); it doubles as OSC32_OUT for the 32.768 kHz oscillator."
      },
      {
        "number": "5",
        "name": "PH0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT, except in oscillator mode) that serves as OSC_IN for the 4-26 MHz external crystal/resonator."
      },
      {
        "number": "6",
        "name": "PH1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT, except in oscillator mode) that serves as OSC_OUT for the 4-26 MHz external crystal/resonator."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional active-low reset pin with an internal weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate function OTG_HS_ULPI_STP and EVENTOUT, and analog input ADC123_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate function ETH_MDC and EVENTOUT, and analog input ADC123_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_MISO, I2S2ext_SD, OTG_HS_ULPI_DIR and ETH_MII_TXD2, and analog input ADC123_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_MOSI, I2S2_SD, OTG_HS_ULPI_NXT and ETH_MII_TX_CLK, and analog input ADC123_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC, reset block, RC oscillators and PLL; it must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply (1.8-3.6 V) for the ADC, DAC, reset block, RC oscillators and PLL; it must be connected to VDD."
      },
      {
        "number": "14",
        "name": "PA0/WKUP",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with WKUP wake-up function, alternate functions USART2_CTS, UART4_TX, TIM2_CH1_ETR, TIM5_CH1 and TIM8_ETR, and analog input ADC123_IN0."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART2_RTS, UART4_RX, TIM5_CH2 and TIM2_CH2, and analog input ADC123_IN1."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART2_TX, TIM5_CH3, TIM9_CH1 and ETH_MDIO, and analog input ADC123_IN2."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART2_RX, TIM5_CH4, TIM9_CH2 and TIM2_CH4, and analog input ADC123_IN3."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to VSS."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply (1.8-3.6 V) for the I/O pins and the internal voltage regulator."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V-tolerant TTa I/O connected directly to the ADC, with alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK, DCMI_HSYNC and OTG_HS_SOF, and analog functions ADC12_IN4 and DAC_OUT1."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V-tolerant TTa I/O connected directly to the ADC, with alternate functions SPI1_SCK, OTG_HS_ULPI_CK, TIM2_CH1_ETR and TIM8_CH1N, and analog functions ADC12_IN5 and DAC_OUT2."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI1_MISO, TIM8_BKIN, TIM13_CH1, DCMI_PIXCLK, TIM3_CH1 and TIM1_BKIN, and analog input ADC12_IN6."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI1_MOSI, TIM8_CH1N, TIM14_CH1, TIM3_CH2, ETH_MII_RX_DV and ETH_RMII_CRS_DV, and analog input ADC12_IN7."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions ETH_RMII_RX_D0 and ETH_MII_RX_D0, and analog input ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions ETH_RMII_RX_D1 and ETH_MII_RX_D1, and analog input ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions TIM3_CH3, TIM8_CH2N, OTG_HS_ULPI_D1, ETH_MII_RXD2 and TIM1_CH2N, and analog input ADC12_IN8."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, ETH_MII_RXD3 and TIM1_CH3N, and analog input ADC12_IN9."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with EVENTOUT function; the pin is also labelled BOOT1."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_TX, OTG_HS_ULPI_D3, ETH_MII_RX_ER and TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2C2_SDA, USART3_RX, OTG_HS_ULPI_D4, ETH_MII_TX_EN, ETH_RMII_TX_EN and TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VCAP_1",
        "type": "power_out",
        "description": "Main regulator stabilisation pin; connect an external capacitor of 2.2 µF with ESR below 2 Ω."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply (1.8-3.6 V) for the I/O pins and the internal voltage regulator."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, OTG_HS_ULPI_D5, ETH_MII_TXD0 and OTG_HS_ID."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, OTG_HS_ULPI_D6 and ETH_RMII_TXD1, with OTG_HS_VBUS listed as an additional function."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_MISO, I2S2ext_SD, USART3_RTS, TIM1_CH2N, TIM8_CH2N, TIM12_CH1 and OTG_HS_DM."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM8_CH3N, TIM12_CH2 and OTG_HS_DP, with RTC_REFIN listed as an additional function."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2S2_MCK, TIM8_CH1, SDIO_D6, USART6_TX, DCMI_D0 and TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2S3_MCK, TIM8_CH2, SDIO_D7, USART6_RX, DCMI_D1 and TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions TIM8_CH3, SDIO_D0, TIM3_CH3, USART6_CK and DCMI_D2."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2S_CKIN, MCO2, TIM8_CH4, SDIO_D1, I2C3_SDA, DCMI_D3 and TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions MCO1, USART1_CK, TIM1_CH1, I2C3_SCL and OTG_FS_SOF."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART1_TX, TIM1_CH2, I2C3_SMBA and DCMI_D0, with OTG_FS_VBUS listed as an additional function."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART1_RX, TIM1_CH3, OTG_FS_ID and DCMI_D1."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART1_CTS, CAN1_RX, TIM1_CH4 and OTG_FS_DM."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions USART1_RTS, CAN1_TX, TIM1_ETR and OTG_FS_DP."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that carries the JTMS-SWDIO serial-wire debug data function."
      },
      {
        "number": "47",
        "name": "VCAP_2",
        "type": "power_out",
        "description": "Main regulator stabilisation pin; connect an external capacitor of 2.2 µF with ESR below 2 Ω."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply (1.8-3.6 V) for the I/O pins and the internal voltage regulator."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that carries the JTCK-SWCLK serial-wire debug clock function."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions JTDI, SPI3_NSS, I2S3_WS, TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI3_SCK, I2S3_CK, UART4_TX, SDIO_D2, DCMI_D8 and USART3_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions UART4_RX, SPI3_MISO, SDIO_D3, DCMI_D4, USART3_RX and I2S3ext_SD."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions UART5_TX, SDIO_CK, DCMI_D9, SPI3_MOSI, I2S3_SD and USART3_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions TIM3_ETR, UART5_RX, SDIO_CMD and DCMI_D11."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions JTDO/TRACESWO, SPI3_SCK, I2S3_CK, TIM2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions NJTRST, SPI3_MISO, TIM3_CH1, SPI1_MISO and I2S3ext_SD."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2C1_SMBA, CAN2_RX, OTG_HS_ULPI_D7, ETH_PPS_OUT, TIM3_CH2, SPI1_MOSI, SPI3_MOSI, DCMI_D10 and I2S3_SD."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2C1_SCL, TIM4_CH1, CAN2_TX, DCMI_D5 and USART1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions I2C1_SDA, FSMC_NL, DCMI_VSYNC, USART1_RX and TIM4_CH2."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode selection input (also listed as VPP in the pin table), with an input voltage limit of up to 5.5 V."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, ETH_MII_TXD3, SDIO_D4 and DCMI_D6."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with alternate functions SPI2_NSS, I2S2_WS, TIM4_CH4, TIM11_CH1, I2C1_SDA, CAN1_TX, SDIO_D5 and DCMI_D7."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to VSS."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply (1.8-3.6 V) for the I/O pins and the internal voltage 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: The LQFP64 package dimensions (10x10 mm) are not in the extracted text. Section 6.1 (LQFP64 package ; The MPN CKS32F405RGT6 decodes to R = 64 pins, G = 1 MB flash, T = LQFP, 6 = -40 to 85 °C (ordering c; Types are my KiCad-class mapping. Datasheet type codes are S, I, I/O and RST. VCAP_1 and VCAP_2 are "
        ],
        "pages_sent": 74,
        "cost_usd": 0.3718,
        "at": "2026-10-21T00:28:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757207410593275904",
        "pages": 123,
        "sha256": "09eb7889abf142f1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cks32f405rgt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cks32f405rgt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "490f3358e2118740b4e86ddae561488d13b2df80ff709f0f6c3062f22c158418",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CKS",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "09eb7889abf142f156b5f4181f6415afe8839a450eaa64c0bca7c13a621ae9d2",
      "rows": [
        {
          "name": "ESD voltage, human body model",
          "symbol": "VESD(HBM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "T = +25 °C，符合 JESD22-A114 (class 2)",
          "source_page": 72,
          "source": "datasheet"
        },
        {
          "name": "ESD voltage, human body model, VBAT pin",
          "symbol": "VESD(HBM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "VBAT pin (table footnote 2)",
          "source_page": 72,
          "source": "datasheet"
        },
        {
          "name": "ESD voltage, charged device model",
          "symbol": "VESD(CDM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "T = +25 °C，符合 ANSI/ESD (class II)",
          "source_page": 72,
          "source": "datasheet"
        },
        {
          "name": "I/O injection current, all FT pins (functional susceptibility)",
          "symbol": "IINJ",
          "kind": "electrical",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "All FT pins, negative injection; positive injection NA",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "I/O injection current, other pins (functional susceptibility)",
          "symbol": "IINJ",
          "kind": "electrical",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
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