component
CS32F103CBW6
Public Made by Adomby adom
CHIPSEA Microcontrollers (MCU/MPU/SOC), QFN-48(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "cs32f103cbw6",
"title": "CS32F103CBW6",
"brief": "CHIPSEA Microcontrollers (MCU/MPU/SOC), QFN-48(5x5). 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",
"cs32f103cbw6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CS32F103CBW6",
"manufacturer": "CHIPSEA",
"package": "QFN-48(5x5)",
"pin_count": 49,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e28de9700f11ba0ff4dfa7445e1e7838.pdf",
"parts": {
"symbol": "cs32f103cbw6.kicad_sym",
"footprint": "cs32f103cbw6.kicad_mod",
"model_3d": "cs32f103cbw6-hero.glb",
"model_3d_plain": "cs32f103cbw6-etched.glb",
"model_3d_step": "cs32f103cbw6-etched.step",
"model_3d_step_plain": "cs32f103cbw6.step",
"lbr": "cs32f103cbw6.lbr"
},
"distributor_links": {
"lcsc": "C22451452"
},
"distributor_check": {
"checked_at": "2026-11-08T00:28:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin for I/O and the internal regulator, 2.0-3.6 V."
},
{
"number": "2",
"name": "PC13/TAMPER-RTC",
"type": "bidirectional",
"description": "GPIO PC13 with TAMPER-RTC function, powered through a switch that sinks only 3 mA, so as an output it is limited to 2 MHz, 30 pF and cannot source current."
},
{
"number": "3",
"name": "PC14/OSC32_IN",
"type": "bidirectional",
"description": "GPIO PC14 or 32.768 kHz oscillator input OSC32_IN, with the same 3 mA switch-powered output limits as PC13."
},
{
"number": "4",
"name": "PC15/OSC32_OUT",
"type": "bidirectional",
"description": "GPIO PC15 or 32.768 kHz oscillator output OSC32_OUT, with the same 3 mA switch-powered output limits as PC13."
},
{
"number": "5",
"name": "OSC_IN",
"type": "input",
"description": "4-16 MHz crystal oscillator input after reset; software can reconfigure it as PD0."
},
{
"number": "6",
"name": "OSC_OUT",
"type": "output",
"description": "4-16 MHz crystal oscillator output after reset; software can reconfigure it as PD1."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Active-low device reset with internal weak pull-up (about 80 kΩ); input low level max 0.8 V."
},
{
"number": "8",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground for ADC, reset block, RC oscillators and PLL; must be connected to VSS."
},
{
"number": "9",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply 2.0-3.6 V (not below 2.4 V when ADC is used); must be connected to VDD."
},
{
"number": "10",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "GPIO PA0 with WKUP, USART2_CTS, ADC12_IN0 and TIM2_CH1_ETR alternate functions."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "GPIO PA1 with USART2_RTS, ADC12_IN1 and TIM2_CH2 alternate functions."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "GPIO PA2 with USART2_TX, ADC12_IN2 and TIM2_CH3 alternate functions."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "GPIO PA3 with USART2_RX, ADC12_IN3 and TIM2_CH4 alternate functions."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "GPIO PA4 with SPI1_NSS, USART2_CK and ADC12_IN4 alternate functions."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "GPIO PA5 with SPI1_SCK and ADC12_IN5 alternate functions."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "GPIO PA6 with SPI1_MISO, ADC12_IN6, TIM3_CH1 and remap TIM1_BKIN."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "GPIO PA7 with SPI1_MOSI, ADC12_IN7, TIM3_CH2 and remap TIM1_CHIN."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "GPIO PB0 with ADC12_IN8, TIM3_CH3 and remap TIM1_CH2N."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "GPIO PB1 with ADC12_IN9, TIM3_CH4 and remap TIM1_CH3N."
},
{
"number": "20",
"name": "PB2/BOOT1",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB2, also serves as BOOT1 boot mode select."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB10 with I2C2_SCL, USART3_TX and remap TIM2_CH3."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB11 with I2C2_SDA, USART3_RX and remap TIM2_CH4."
},
{
"number": "23",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "24",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin, 2.0-3.6 V."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB12 with SPI2_NSS, I2C2_SMBA, USART3_CK and TIM1_BKIN."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB13 with SPI2_SCK, USART3_CTS and TIM1_CH1N."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB14 with SPI2_MISO, USART3_RTS and TIM1_CH2N."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB15 with SPI2_MOSI and TIM1_CH3N."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PA8 with USART1_CK, TIM1_CH1 and MCO."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PA9 with USART1_TX and TIM1_CH2."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PA10 with USART1_RX and TIM1_CH3."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PA11 with USART1_CTS, USBDM, CANRX and TIM1_CH4."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PA12 with USART1_RTS, USBDP, CANTX and TIM1_ETR."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "5 V-tolerant GPIO; reset function is JTMS/SWDIO."
},
{
"number": "35",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "36",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin, 2.0-3.6 V."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "5 V-tolerant GPIO; reset function is JTCK/SWCLK."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "5 V-tolerant GPIO; JTDI by default (SWJ must be disabled to use as GPIO), with TIM2_CH1_ETR and SPI1_NSS remap."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "5 V-tolerant GPIO; JTDO by default, with TRACESWO, TIM2_CH2 and SPI1_SCK remap."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "5 V-tolerant GPIO; NJTRST by default, with TIM3_CH1 and SPI1_MISO remap."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "GPIO PB5 with I2C1_SMBA and remap TIM3_CH2/SPI1_MOSI."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB6 with I2C1_SCL, TIM4_CH1 and remap USART1_TX."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB7 with I2C1_SDA, TIM4_CH2 and remap USART1_RX."
},
{
"number": "44",
"name": "BOOT0",
"type": "input",
"description": "Boot mode select input, input voltage range 0-5.5 V."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB8 with TIM4_CH3 and remap I2C1_SCL/CANRX."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "5 V-tolerant GPIO PB9 with TIM4_CH4 and remap I2C1_SDA/CANTX (printed as 'P89' in the table)."
},
{
"number": "47",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "48",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin, 2.0-3.6 V."
},
{
"number": "49",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The QFN48 diagram (page 10) shows a stray 'VSS' label with '0' that may indicate an exposed pad, but; The pin table text is garbled for pins 8/9. I read QFN48 8=VSSA and 9=VDDA from the table, consisten; The table prints pin 46's name as 'P89', an apparent typo for PB9. I used PB9, based on the TIM4_CH4",
"1/49 pins cited to the wrong page (name found elsewhere): ['46:PB9@p13']"
],
"pages_sent": 56,
"cost_usd": 0.3401,
"at": "2026-11-08T00:28:01"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e28de9700f11ba0ff4dfa7445e1e7838.pdf",
"pages": 66,
"sha256": "f311f0d25fd53b08",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cs32f103cbw6.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "bdef7330531c8a62fd1740be5d4ee88a2520275cd173f5de2a729248fb1c21a0",
"checked": "2026-11-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cs32f103cbw6-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9a93d76899b5e60a537f71fd946fc70d3f002340ac29ea924ea128340bdf4e62",
"checked": "2026-11-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "CHIPSEA",
"Package": "QFN-48(5x5)",
"Category": "Embedded Processors & Controllers",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f311f0d25fd53b0883a139b1e2be5f35475271d4246e065139087b7c5cd3dd4a",
"rows": [
{
"name": "External main supply voltage (VDD, VDDA)",
"symbol": "VDD – VSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Input voltage on 5V-tolerant pins",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "5V-tolerant pins",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Input voltage on other pins",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Voltage difference between supply pins",
"symbol": "|ΔVDDx|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Voltage difference between ground pins",
"symbol": "|VSSX – VSS|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "ADC supply voltage",
"symbol": "VDDA",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Positive reference voltage",
"symbol": "VREF+",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Current into VREF input pin",
"symbol": "IVREF",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 160,
"max": 220,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "ADC clock frequency",
"symbol": "fADC",
"kind": "electrical",
"unit": "MHz",
"min": 0.6,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Sampling rate",
"symbol": "fS",
"kind": "electrical",
"unit": "MHz",
"min": 0.05,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "External trigger frequency",
"symbol": "fTRIG",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": null,
"max": 823,
"conditions": "fADC=14MHz",
"source_page": 45,
"source": "datasheet"
},
{
"name": "External trigger frequency",
"symbol": "fTRIG",
"kind": "electrical",
"unit": "1/fADC",
"min": null,
"typ": null,
"max": 17,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Conversion voltage range",
"symbol": "VAIN",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "VSSA or VREF- connected to ground",
"source_page": 45,
"source": "datasheet"
},
{
"name": "External input impedance",
"symbol": "RAIN",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Sampling switch resistance",
"symbol": "RADC",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Internal sample and hold capacitance",
"symbol": "CADC",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 8,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Injected trigger conversion latency",
"symbol": "tlat",
"kind": "timing",
"unit": "μs",
"min": null,
"typ": null,
"max": 0.214,
"conditions": "fADC=14MHz",
"source_page": 46,
"source": "datasheet"
},
{
"name": "Injected trigger conversion latency",
"symbol": "tlat",
"kind": "timing",
"unit": "1/fADC",
"min": null,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 46,
"source": "datasheet"
},
{
"name": "Regular trigger conversion latency",
"symbol": "tlatr",
"kind": "timing",
"unit": "μs",
"min": null,
"typ": null,
"max": 0.143,
"conditions": "fADC=14MHz",
"source_page": 46,
"source": "datasheet"
},
{
"name": "Regular trigger conversion latency",
"symbol": "tlatr",
"kind": "timing",
"unit": "1/fADC",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 46,
"source": "datasheet"
},
{
"name": "Sampling time",
"symbol": "ts",
"kind": "timing",
"unit": "μs",
"min": 0.107,
"typ": null,
"max": 17.1,
"conditions": "fADC=14MHz",
"source_page": 46,
"source": "datasheet"
},
{
"name": "Sampling time",
"symbol": "ts",
"kind": "timing",
"unit": "1/fADC",
"min": 1.5,
"typ": null,
"max": 239.5,
"conditions": "",
"source_page": 46,
"source": "datasheet"
},
{
"name": "ADC power-up time",
"symbol": "tSTAB",
"kind": "timing",
"unit": "μs",
"min": 0,
"typ": 0,
"max": 1,
"conditions": "",
"source_page": 46,
"source": "datasheet"
},
{
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