apm32e103ret6

{
  "slug": "apm32e103ret6",
  "version": "0.1.0",
  "type": "component",
  "description": "Geehy Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "mcu",
    "apm32e103ret6"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "apm32e103ret6.kicad_sym",
    "apm32e103ret6.kicad_mod",
    "apm32e103ret6.glb",
    "apm32e103ret6.step",
    "apm32e103ret6.lbr",
    "docs/hero.png",
    "docs/apm32e103ret6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "component": {
    "mpn": "APM32E103RET6",
    "manufacturer": "Geehy",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Microcontrollers (MCU/MPU/SOC)",
    "parts": {
      "symbol": "apm32e103ret6.kicad_sym",
      "footprint": "apm32e103ret6.kicad_mod",
      "model_3d": "apm32e103ret6-etched.glb",
      "model_3d_plain": "apm32e103ret6.glb",
      "model_3d_step": "apm32e103ret6-etched.step",
      "model_3d_step_plain": "apm32e103ret6.step",
      "lbr": "apm32e103ret6.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain power supply, 1.8-3.6 V. Powers RTC, LSE oscillator and backup registers when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Port C bit 13. Muxed with TAMPER_RTC alternate function. Supplied via backup switch: max 3 mA sink, only one of PC13/14/15 may be an output at a time, limited to 2 MHz mode and 30 pF load."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Port C bit 14. Default function is 32.768 kHz LSE crystal input (OSC32_IN). Same backup-domain drive limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Port C bit 15. Default function is 32.768 kHz LSE crystal output (OSC32_OUT). Same backup-domain drive limits as PC13."
      },
      {
        "number": "5",
        "name": "PD0-OSC_IN",
        "type": "bidirectional",
        "description": "After reset defaults to HSE crystal input OSC_IN; can be remapped by software to GPIO PD0. Output mode limited to 50 MHz."
      },
      {
        "number": "6",
        "name": "PD1-OSC_OUT",
        "type": "bidirectional",
        "description": "After reset defaults to HSE crystal output OSC_OUT; can be remapped by software to GPIO PD1. Output mode limited to 50 MHz."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset input/output with internal weak pull-up. Active-low system reset."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0. 3.3 V standard I/O with direct ADC connection. Alt: ADC123_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1. 3.3 V standard I/O with direct ADC connection. Alt: ADC123_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2. 3.3 V standard I/O with direct ADC connection. Alt: ADC123_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3. 3.3 V standard I/O with direct ADC connection. Alt: ADC123_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC and DAC."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.0-3.6 V. Supplies ADC, DAC, reset block and PLL. Must be tied to VDD if not used separately."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Port A bit 0. Standby wake-up input. Alt: USART2_CTS, ADC123_IN0, TMR2_CH1_ETR, TMR5_CH1, TMR8_ETR."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A bit 1. Alt: USART2_RTS, ADC123_IN1, TMR5_CH2, TMR2_CH2."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A bit 2. Alt: USART2_TX, TMR5_CH3, ADC123_IN2, TMR2_CH3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A bit 3. Alt: USART2_RX, TMR5_CH4, ADC123_IN3, TMR2_CH4."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin (bank 4). Tie to system ground."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin (bank 4), 2.0-3.6 V. Decouple with local 100 nF to VSS_4."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A bit 4. Alt: SPI1_NSS, USART2_CK, DAC_OUT1, ADC12_IN4."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A bit 5. Alt: SPI1_SCK, DAC_OUT2, ADC12_IN5."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A bit 6. Alt: SPI1_MISO, TMR8_BKIN, ADC12_IN6; remap TMR3_CH1, TMR1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A bit 7. Alt: SPI1_MOSI, TMR8_CH1N, ADC12_IN7, TMR3_CH2; remap TMR1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4. Alt: ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5. Alt: ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0. Alt: ADC12_IN8, TMR3_CH3, TMR8_CH2N; remap TMR1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1. Alt: ADC12_IN9, TMR3_CH4, TMR8_CH3N; remap TMR1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 (also BOOT1 strap). 5 V-tolerant. Latched at reset as BOOT1 to select boot mode; otherwise a general GPIO."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Port B bit 10. Alt: I2C2_SCL, USART3_TX, DMC_UDQM; remap TMR2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Port B bit 11. Alt: I2C2_SDA, USART3_RX, CKE; remap TMR2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin (bank 1). Tie to system ground."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin (bank 1), 2.0-3.6 V. Decouple with local 100 nF to VSS_1."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Port B bit 12. Alt: SPI2_NSS, I2S2_WS, I2C2_SMBAI, USART3_CK, TMR1_BKIN, CAN2_RX."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Port B bit 13. Alt: SPI2_SCK, I2S2_CK, USART3_CTS, TMR1_CH1N, CAN2_TX."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Port B bit 14. Alt: SPI2_MISO, TMR1_CH2N, USART3_RTS."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Port B bit 15. Alt: SPI2_MOSI, I2S2_SD, TMR1_CH3N."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6. Alt: I2S2_MCK, TMR8_CH1, SDIO_D6; remap TMR3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C bit 7. Alt: I2S3_MCK, TMR8_CH2, SDIO_D7; remap TMR3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Port C bit 8. Alt: TMR8_CH3, SDIO_D0; remap TMR3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Port C bit 9. Alt: TMR8_CH4, SDIO_D1; remap TMR3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Port A bit 8. Alt: USART1_CK, TMR1_CH1, MCO (master clock output)."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Port A bit 9. Alt: USART1_TX, TMR1_CH2."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Port A bit 10. Alt: USART1_RX, TMR1_CH3."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Port A bit 11. Alt: USART1_CTS, USBDDM, USBD2DM, CAN1_RX, TMR1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Port A bit 12. Alt: USART1_RTS, USBDDP, USBD2DP, CAN1_TX, TMR1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Port A bit 13. After reset defaults to JTMS/SWDIO debug function; can be re-assigned to GPIO PA13."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin (bank 2). Tie to system ground."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin (bank 2), 2.0-3.6 V. Decouple with local 100 nF to VSS_2."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Port A bit 14. After reset defaults to JTCK/SWCLK debug function; can be re-assigned to GPIO PA14."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Port A bit 15. After reset defaults to JTDI. Alt: SPI3_NSS, I2S3_WS; remap TMR2_CH1_ETR, PA15, SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Port C bit 10. Alt: UART4_TX, SDIO_D2, DMC_DQ8; remap USART3_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Port C bit 11. Alt: UART4_RX, SDIO_D3, DMC_DQ9; remap USART3_RX."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Port C bit 12. Alt: UART5_TX, SDIO_CK; remap USART3_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2. Alt: TMR3_ETR, UART5_RX, SDIO_CMD, DMC_DQ10."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3. After reset defaults to JTDO. Alt: SPI3_SCK, I2S3_CK; remap TRACESWO, TMR2_CH2, SPI1_SCK, PB3."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4. After reset defaults to NJTRST. Alt: SPI3_MISO; remap TMR3_CH1, SPI1_MISO, PB4."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5. 3.3 V standard I/O. Alt: I2C1_SMBAI, SPI3_MOSI, I2S3_SD; remap TMR3_CH2, SPI1_MOSI, CAN2_RX."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6. Alt: I2C1_SCL, I2C3_SCL, TMR4_CH1; remap USART1_TX, CAN2_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7. Alt: I2C1_SDA, I2C3_SDA, SMC_NADV, TMR4_CH2; remap USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input. Latched at reset together with BOOT1 (PB2) to select boot from Flash, System Memory or SRAM."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Port B bit 8. Alt: TMR4_CH3, SDIO_D4; remap I2C1_SCL, I2C3_SCL, CAN1_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Port B bit 9. Alt: TMR4_CH4, SDIO_D5; remap I2C1_SDA, I2C3_SDA, CAN1_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin (bank 3). Tie to system ground."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin (bank 3), 2.0-3.6 V. Decouple with local 100 nF to VSS_3."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C2975250",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:52:24Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "apm32e103ret6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "apm32e103ret6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6575213de74318013c2cc7e210af77e57ac40b041f7acf55ede9961469e080e1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}