component
CW32F003E4P7
Public Made by Adomby adom
CW Microcontrollers (MCU/MPU/SOC), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "cw32f003e4p7",
"title": "CW32F003E4P7",
"brief": "CW Microcontrollers (MCU/MPU/SOC), TSSOP-24. 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",
"cw32f003e4p7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CW32F003E4P7",
"manufacturer": "CW",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589952172844101632",
"parts": {
"symbol": "cw32f003e4p7.kicad_sym",
"footprint": "cw32f003e4p7.kicad_mod",
"model_3d": "cw32f003e4p7-hero.glb",
"model_3d_plain": "cw32f003e4p7-etched.glb",
"model_3d_step": "cw32f003e4p7-etched.step",
"model_3d_step_plain": "cw32f003e4p7.step",
"lbr": "cw32f003e4p7.lbr"
},
"distributor_links": {
"lcsc": "C3019115"
},
"distributor_check": {
"checked_at": "2026-10-18T22:23:08Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PC00",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_RXD, UART1_TXD, SPI_SCK, ATIM_CH1A, GTIM_CH2, BTIM1_TOGP, HCLK_OUT, and analog functions ADC_AIN5 and VC2_CH6; high-impedance input after reset."
},
{
"number": "2",
"name": "PC01",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_TXD, GTIM_ETR, SPI_MISO, ATIM_CH2A, GTIM_CH3, BTIM1_TOGN, VC1_OUT, and analog functions ADC_AIN6 and VC2_CH7; high-impedance input after reset."
},
{
"number": "3",
"name": "PC02",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_RXD, IR_OUT, SPI_MOSI, ATIM_CH3A, GTIM_CH4, HCLK_OUT, AWT_ETR, and analog functions ADC_AIN7 and VC1_CH0; high-impedance input after reset."
},
{
"number": "4",
"name": "NRST",
"type": "input",
"description": "Active-low chip reset input with internal pull-up of 7-9 kΩ; input low must be at most 0.3VDD and the reset pulse must be at least 20 µs."
},
{
"number": "5",
"name": "PC03",
"type": "bidirectional",
"description": "Standard I/O (TC, no analog function) with digital alternate functions UART1_TXD, SPI_CS, SPI_MISO, ATIM_CH3B, GTIM_CH3, GTIM_TOGP, ATIM_BK; high-impedance input after reset."
},
{
"number": "6",
"name": "PB00",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_RXD, I2C_SDA, SPI_CS, ATIM_CH1B, GTIM_CH1, GTIM_TOGP, AWT_ETR, analog functions ADC_AIN8, VC1_CH1, and HEX_PB00; can also receive the external high-speed clock input to the HEX circuit (1-32 MHz)."
},
{
"number": "7",
"name": "PC04",
"type": "bidirectional",
"description": "Standard I/O (TC, no analog function) with digital alternate functions UART1_RXD, IR_OUT, SPI_MOSI, ATIM_CH2B, GTIM_CH4, GTIM_TOGN; high-impedance input after reset."
},
{
"number": "8",
"name": "PB01",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_TXD, LVD_OUT, I2C_SCL, ATIM_BK, GTIM_CH2, GTIM_TOGN, AWT_ETR, analog functions ADC_AIN9, VC1_CH2, and HEX_PB01; can also receive the external high-speed clock input to the HEX circuit (1-32 MHz)."
},
{
"number": "9",
"name": "VSS",
"type": "power_in",
"description": "Ground reference; all voltages in the datasheet are specified relative to VSS, and each VDD/VSS pair must be decoupled with a filter ceramic capacitor placed as close to the pins as possible."
},
{
"number": "10",
"name": "PA02/SWDIO",
"type": "bidirectional",
"description": "Standard I/O (TC) with digital alternate functions UART1_RXD, UART2_TXD, I2C_SDA, GTIM_ETR, GTIM_CH3, VC2_OUT, AWT_ETR; after reset it is configured as the SWDIO debug function with internal pull-up enabled."
},
{
"number": "11",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage, 1.65 V to 5.5 V; all VDD pins must be powered and held at the same voltage."
},
{
"number": "12",
"name": "PB07",
"type": "bidirectional",
"description": "Standard I/O (TC, no analog function) with digital alternate functions UART2_RXD, UART1_TXD, SPI_SCK, GTIM_CH1, BTIM2_TOGN, BTIM_ETR; high-impedance input after reset."
},
{
"number": "13",
"name": "PB06",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_TXD, I2C_SCL, SPI_CS, ATIM_CH1A, GTIM_TOGP, BTIM2_TOGP, HCLK_OUT, and analog functions ADC_AIN10 and LVD_CH1; high-impedance input after reset."
},
{
"number": "14",
"name": "PB05",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_RXD, I2C_SDA, BTIM_ETR, ATIM_CH1B, GTIM_TOGN, BTIM2_TOGN, ATIM_BK, and analog functions ADC_AIN11 and VC1_CH3; high-impedance input after reset."
},
{
"number": "15",
"name": "PB04",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_TXD, I2C_SCL, GTIM_ETR, ATIM_ETR, GTIM_CH1, BTIM3_TOGN, ATIM_BK, and analog functions ExRef and VC1_CH4; high-impedance input after reset."
},
{
"number": "16",
"name": "PB03",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_RXD, I2C_SDA, PCLK_OUT, ATIM_CH2A, GTIM_CH2, BTIM3_TOGP, IR_OUT, and analog functions ADC_AIN12, VC1_CH5, and LVD_CH2; high-impedance input after reset."
},
{
"number": "17",
"name": "PB02",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_TXD, UART2_CTS, SPI_CS, ATIM_CH2B, GTIM_CH3, BTIM1_TOGP, MCO_OUT, and analog functions ADC_AIN0, VC1_CH6, and VC2_CH0; high-impedance input after reset."
},
{
"number": "18",
"name": "PA00",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_RXD, UART2_RTS, SPI_SCK, ATIM_CH3A, GTIM_CH4, BTIM1_TOGN, VC1_OUT, and analog functions VC1_CH7, VC2_CH1, and LVD_CH3; high-impedance input after reset."
},
{
"number": "19",
"name": "PA01",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART2_TXD, VC2_OUT, SPI_MOSI, ATIM_CH3B, GTIM_CH1, BTIM2_TOGP, MCO_OUT, and analog functions ADC_AIN1 and VC2_CH2; high-impedance input after reset."
},
{
"number": "20",
"name": "PA03",
"type": "bidirectional",
"description": "Standard I/O (TC, no analog function) with digital alternate functions UART2_TXD, UART1_RXD, PCLK_OUT, ATIM_BK, GTIM_ETR, BTIM2_TOGP, LVD_OUT; high-impedance input after reset."
},
{
"number": "21",
"name": "PA04",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_RXD, IR_OUT, SPI_MISO, ATIM_CH3B, GTIM_CH2, BTIM2_TOGN, GTIM_ETR, and analog functions ADC_AIN2 and VC2_CH3; high-impedance input after reset."
},
{
"number": "22",
"name": "PA05/SWCLK",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_TXD, UART2_RXD, I2C_SCL, GTIM_CH4, BTIM_ETR, MCO_OUT; after reset it is configured as the SWCLK debug function with internal pull-up enabled."
},
{
"number": "23",
"name": "PA06",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_CTS, UART2_TXD, I2C_SDA, ATIM_CH2B, GTIM_CH3, BTIM3_TOGP, LVD_OUT, and analog functions ADC_AIN3 and VC2_CH4; high-impedance input after reset."
},
{
"number": "24",
"name": "PA07",
"type": "bidirectional",
"description": "General-purpose I/O (TTa, analog-capable) with digital alternate functions UART1_RTS, UART2_RXD, VC1_OUT, ATIM_CH1B, GTIM_CH4, BTIM3_TOGN, ATIM_BK, and analog functions ADC_AIN4 and VC2_CH5; high-impedance input after reset."
}
],
"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: PA02/SWDIO and PA05/SWCLK: datasheet note 1 says these pins are configured as SWDIO/SWCLK after rese; PB00/PB01 are listed as HEX_PB00/HEX_PB01 and section 7.3.7 says they may carry an external clock in; Alternate-function lists are summarized from Table 5-2; the exact function selected depends on GPIOx"
],
"pages_sent": 58,
"cost_usd": 0.1953,
"at": "2026-10-18T22:19:30"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589952172844101632",
"pages": 58,
"sha256": "d9a466f1abc5af59",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cw32f003e4p7.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
7.8,
0.97
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cw32f003e4p7-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
7.8,
0.97
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6996220afb347d07d68ce784257e8a3e80f8dd3b28ee890a6c0e7f10dae8c87c",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "CW",
"Package": "TSSOP-24",
"Category": "Embedded Processors & Controllers",
"Pins": "24"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d9a466f1abc5af599d8d28d991c0a42a1aa06d3de8b92676983dddbf220917ca",
"rows": [
{
"name": "VDD - VSS supply voltage (absolute maximum)",
"symbol": "VDD - VSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "VDD supply line sink current sum (inflow)",
"symbol": "IVDD(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "VSS supply line source current sum (outflow)",
"symbol": "IVSS(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -100,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Single I/O or control pin sink current",
"symbol": "IIO(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Single I/O or control pin source current",
"symbol": "IIO(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -25,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Sum of all I/O or control pin sink currents",
"symbol": "ΣIIO(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Sum of all I/O or control pin source currents",
"symbol": "ΣIIO(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -80,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Injection current, TC and RST pins",
"symbol": "IINJ(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Injection current, TTa pins",
"symbol": "IINJ(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Sum of all I/O or control pin injection currents",
"symbol": "ΣIINJ(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 29,
"source": "datasheet"
},
{
"name": "ESD voltage, human body model",
"symbol": "VESD(HBM)",
"kind": "electrical",
"unit": "kV",
"min": null,
"typ": null,
"max": 8,
"conditions": "TA = +25℃, JESD22-A115C",
"source_page": 38,
"source": "datasheet"
},
{
"name": "ESD voltage, charged device model",
"symbol": "VESD(CDM)",
"kind": "electrical",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "TA = +25℃, JESD22-A115C",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Internal AHB bus frequency",
"symbol": "fHCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 48,
"conditions": "",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Internal APB bus frequency",
"symbol": "fPCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 48,
"conditions": "",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Internal AHB bus frequency at low voltage",
"symbol": "fHCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 24,
"conditions": "VDD < 1.8V",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Internal APB bus frequency at low voltage",
"symbol": "fPCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 24,
"conditions": "VDD < 1.8V",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Standard operating supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.65,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 30,
"source": "datasheet"
},
{
"name": "I/O input voltage, TC I/O (minimum; maximum VDD+0.3 is symbolic)",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "TC I/O",
"source_page": 30,
"source": "datasheet"
},
{
"name": "I/O input voltage, TTa I/O (minimum; maximum VDD+0.3 is symbolic)",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "TTa I/O",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Ambient temperature (temperature code 7, maximum power dissipation)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 105,
"conditions": "temperature code 7; maximum power dissipation",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Ambient temperature (low power dissipation)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "low power dissipation",
"source_page": 30,
"source": "datasheet"
},
{
"name": "Junction temperature range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "temperature code 7",
"source_page": 30,
"source": "datasheet"
},
{
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