component
APM32F103TBU7
Public Made by Adomby adom
Geehy Microcontrollers (MCU/MPU/SOC), QFN-36(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "apm32f103tbu7",
"title": "APM32F103TBU7",
"brief": "Geehy Microcontrollers (MCU/MPU/SOC), QFN-36(6x6). 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",
"apm32f103tbu7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "APM32F103TBU7",
"manufacturer": "Geehy",
"package": "QFN-36(6x6)",
"pin_count": 37,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918888218169344",
"parts": {
"symbol": "apm32f103tbu7.kicad_sym",
"footprint": "apm32f103tbu7.kicad_mod",
"model_3d": "apm32f103tbu7-hero.glb",
"model_3d_plain": "apm32f103tbu7.glb",
"model_3d_step": "apm32f103tbu7-etched.step",
"model_3d_step_plain": "apm32f103tbu7.step",
"lbr": "apm32f103tbu7.lbr"
},
"distributor_links": {
"lcsc": "C2880478"
},
"distributor_check": {
"checked_at": "2026-10-09T19:22:31Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VDD_3",
"type": "power_in",
"description": "Digital supply input for the I/O ports and the internal core regulator, specified at 2.0 V to 3.6 V."
},
{
"number": "2",
"name": "OSC_IN",
"type": "input",
"description": "HXT crystal oscillator input (4-16 MHz); after reset this pin defaults to OSC_IN and can be switched in software to PD0."
},
{
"number": "3",
"name": "OSC_OUT",
"type": "output",
"description": "HXT crystal oscillator output; after reset this pin defaults to OSC_OUT and can be switched in software to PD1."
},
{
"number": "4",
"name": "NRST",
"type": "bidirectional",
"description": "Reset pin with a permanent internal pull-up of 32-49 kΩ; input low level max 0.8 V and input high level min 2 V."
},
{
"number": "5",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground for the ADC, reset block, RC oscillators and PLL; must be connected to VSS."
},
{
"number": "6",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply for the ADC, reset block, RC oscillators and PLL; must be connected to VDD, and must be 2.4 V to 3.6 V when the ADC is used."
},
{
"number": "7",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "GPIO PA0 with WKUP wake-up input (rising edge exits standby), ADC12_IN0, USART2_CTS and TMR2_CH1_ETR alternates; not marked 5 V tolerant in the table."
},
{
"number": "8",
"name": "PA1",
"type": "bidirectional",
"description": "GPIO PA1 with ADC12_IN1, USART2_RTS and TMR2_CH2 alternates; not marked 5 V tolerant in the table."
},
{
"number": "9",
"name": "PA2",
"type": "bidirectional",
"description": "GPIO PA2 with ADC12_IN2, USART2_TX and TMR2_CH3 alternates; not marked 5 V tolerant in the table."
},
{
"number": "10",
"name": "PA3",
"type": "bidirectional",
"description": "GPIO PA3 with ADC12_IN3, USART2_RX and TMR2_CH4 alternates; not marked 5 V tolerant in the table."
},
{
"number": "11",
"name": "PA4",
"type": "bidirectional",
"description": "GPIO PA4 with ADC12_IN4, SPI1_NSS and USART2_CK alternates; not marked 5 V tolerant in the table."
},
{
"number": "12",
"name": "PA5",
"type": "bidirectional",
"description": "GPIO PA5 with ADC12_IN5 and SPI1_SCK alternates; not marked 5 V tolerant in the table."
},
{
"number": "13",
"name": "PA6",
"type": "bidirectional",
"description": "GPIO PA6 with ADC12_IN6, SPI1_MISO, TMR3_CH1 and TMR1_BKIN alternates; not marked 5 V tolerant in the table."
},
{
"number": "14",
"name": "PA7",
"type": "bidirectional",
"description": "GPIO PA7 with ADC12_IN7, SPI1_MOSI, TMR3_CH2 and TMR1_CH1N alternates; not marked 5 V tolerant in the table."
},
{
"number": "15",
"name": "PB0",
"type": "bidirectional",
"description": "GPIO PB0 with ADC12_IN8, TMR3_CH3 and TMR1_CH2N alternates; not marked 5 V tolerant in the table."
},
{
"number": "16",
"name": "PB1",
"type": "bidirectional",
"description": "GPIO PB1 with ADC12_IN9, TMR3_CH4 and TMR1_CH3N alternates; not marked 5 V tolerant in the table."
},
{
"number": "17",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB2, also used as BOOT1 for boot mode selection."
},
{
"number": "18",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin for the I/O ring and digital logic; connect to board ground."
},
{
"number": "19",
"name": "VDD_1",
"type": "power_in",
"description": "Digital supply input for the I/O ring and digital logic, specified at 2.0 V to 3.6 V."
},
{
"number": "20",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA8 with USART1_CK, TMR1_CH1 and MCO alternates."
},
{
"number": "21",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA9 with USART1_TX and TMR1_CH2 alternates."
},
{
"number": "22",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA10 with USART1_RX and TMR1_CH3 alternates."
},
{
"number": "23",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA11 with USART1_CTS, USBDM, CAN_RX and TMR1_CH4 alternates; the datasheet reserves PA11/PA12 for USB when USB and CAN are used together."
},
{
"number": "24",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA12 with USART1_RTS, USBDP, CAN_TX and TMR1_ETR alternates; the datasheet reserves PA11/PA12 for USB when USB and CAN are used together."
},
{
"number": "25",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA13 whose default function after reset is the JTMS/SWDIO debug pin."
},
{
"number": "26",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin for the digital logic and I/O; connect to board ground."
},
{
"number": "27",
"name": "VDD_2",
"type": "power_in",
"description": "Digital supply input for the digital logic and I/O, specified at 2.0 V to 3.6 V."
},
{
"number": "28",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA14 whose default function after reset is the JTCK debug clock (printed as SWCMU in the table)."
},
{
"number": "29",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA15 whose default function after reset is JTDI, with TMR2_CH1_ETR and SPI1_NSS alternates."
},
{
"number": "30",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB3 whose default function after reset is JTDO, with TRACESWO, TMR2_CH2 and SPI1_SCK alternates."
},
{
"number": "31",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB4 whose default function after reset is NJTRST, with TMR3_CH1 and SPI1_MISO alternates."
},
{
"number": "32",
"name": "PB5",
"type": "bidirectional",
"description": "GPIO PB5 with I2C1_SMBAI, TMR3_CH2 and SPI1_MOSI alternates; not marked 5 V tolerant in the table."
},
{
"number": "33",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB6 with I2C1_SCL, I2C3_SCL, TMR4_CH1 and USART1_TX alternates."
},
{
"number": "34",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB7 with I2C1_SDA, I2C3_SDA, TMR4_CH2 and USART1_RX alternates."
},
{
"number": "35",
"name": "BOOT0",
"type": "input",
"description": "Boot mode select input that, together with BOOT1 (PB2), selects boot from user flash, system memory or internal SRAM."
},
{
"number": "36",
"name": "VSS_3",
"type": "power_in",
"description": "Ground pin for the digital logic and I/O; connect to board ground."
},
{
"number": "37",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 MPN suffix U7 is not in the ordering list (table 51 lists only U6 QFN36 parts). The ordering-cod; Pin numbers come from the QFN36 column of table 8, because the QFN36 pin-configuration figure text i; NRST is printed as type I/O in table 8 and mapped to bidirectional here. The datasheet describes it ",
"exposed pad 37 added from the footprint"
],
"pages_sent": 67,
"cost_usd": 0.2103,
"at": "2026-10-09T19:20:17"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918888218169344",
"pages": 84,
"sha256": "1fb9f43ef8119b4c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 37,
"described": 37,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "apm32f103tbu7.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "apm32f103tbu7-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f954ef80c66695d715b56a7bf76eb8b53d6230543850b57e6262342d9440f980",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Geehy",
"Package": "QFN-36(6x6)",
"Category": "Embedded Processors & Controllers",
"Pins": "37"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"apm32f103tbu7"
],
"discovery_pitch": "APM32F103TBU7 (Geehy) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"apm32f103tbu7.kicad_sym",
"apm32f103tbu7.kicad_mod",
"apm32f103tbu7.glb",
"apm32f103tbu7.step",
"apm32f103tbu7.lbr",
"docs/hero.png",
"docs/apm32f103tbu7-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"apm32f103tbu7-hero.glb",
"apm32f103tbu7-hero.overlay.json"
],
"visibility": {
"public": true
}
}