component
HC32L110C4PA-TSSOP20TR
Public Made by Adomby adom
XHSC Microcontrollers (MCU/MPU/SOC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "HC32L110C4PA-TSSOP20TR",
"manufacturer": "XHSC",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944924615561216",
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"distributor_links": {
"lcsc": "C2833099"
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"checked_at": "2026-10-18T23:46:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
"pn": null,
"status": "quota"
}
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"pins": [
{
"number": "1",
"name": "P34",
"type": "bidirectional",
"description": "General-purpose digital I/O P34, multiplexed with AIN4/VC4 analog input, PCA_CH0, LPUART_TXD, TIM5_CHA, TIM0_EXT, TIM4_CHA and RTC_1HZ output."
},
{
"number": "2",
"name": "P35",
"type": "bidirectional",
"description": "General-purpose digital I/O P35, multiplexed with AIN5/VC5 analog input, UART1_TXD, UART0_TXD, TIM6_CHB, TIM0_GATE, TIM4_CHB, SPI_MISO and I2C_SDA; the datasheet recommends reserving P35 and P36 as the ISP programming interface."
},
{
"number": "3",
"name": "P36",
"type": "bidirectional",
"description": "General-purpose digital I/O P36, multiplexed with AIN6/VC6/AVREF analog input (AVREF can serve as the external ADC reference), UART1_RXD, UART0_RXD, TIM6_CHA, PCA_CH4, TIM5_CHA, SPI_MOSI and I2C_SCL; the datasheet recommends reserving P35 and P36 as the ISP programming interface."
},
{
"number": "4",
"name": "RESETB/P00",
"type": "input",
"description": "Active-low chip reset input RESETB, with CMOS input thresholds, an always-on internal pull-up of about 80 kΩ and a 100 ns input filter; the pin can also be used as digital input P00."
},
{
"number": "5",
"name": "P01",
"type": "bidirectional",
"description": "General-purpose digital I/O P01, multiplexed with XTHI, the external high-speed crystal (4-32 MHz) clock input, AIN7/VC7 analog input, UART0_RXD, I2C_SDA, UART1_TXD, TIM0_TOG, TIM5_CHB, SPI_SCK, TIM2_EXT."
},
{
"number": "6",
"name": "P02",
"type": "bidirectional",
"description": "General-purpose digital I/O P02, multiplexed with XTHO, the external high-speed crystal oscillator output, AIN8 analog input, UART0_TXD, I2C_SCL, UART1_RXD, TIM0_TOGN, TIM6_CHA, SPI_CS and TIM2_GATE."
},
{
"number": "7",
"name": "AVSS/DVSS",
"type": "power_in",
"description": "Chip ground for both the analog (AVSS) and digital (DVSS) domains, which must be connected to the external supply system within its allowed range."
},
{
"number": "8",
"name": "VCAP",
"type": "power_out",
"description": "LDO core-supply output for internal circuits only, which requires a 4.7 µF capacitor connected and must not be used to power external circuits."
},
{
"number": "9",
"name": "AVCC/DVCC",
"type": "power_in",
"description": "Chip supply input for the analog and digital domains, specified at 1.8 V to 5.5 V, with a decoupling capacitor placed close to the pin."
},
{
"number": "10",
"name": "P03",
"type": "bidirectional",
"description": "General-purpose digital I/O P03, multiplexed with LVDIN1 analog input (LVD monitor source), PCA_CH3, SPI_CS, TIM6_CHB, LPTIM_EXT, RTC_1HZ, PCA_ECI and VC0_OUT."
},
{
"number": "11",
"name": "P15/XTLO",
"type": "bidirectional",
"description": "General-purpose digital I/O P15, multiplexed with XTLO, the 32.768 kHz low-speed crystal oscillator output, I2C_SDA, TIM2_TOG, TIM4_CHB, LPTIM_GATE, SPI_SCK, UART0_RXD and LVD_OUT."
},
{
"number": "12",
"name": "P14/XTLI",
"type": "bidirectional",
"description": "General-purpose digital I/O P14, multiplexed with XTLI, the 32.768 kHz low-speed crystal oscillator input, I2C_SCL, TIM2_TOGN, PCA ECI, ADC_RDY, SPI_CS and UART0_TXD."
},
{
"number": "13",
"name": "P23",
"type": "bidirectional",
"description": "General-purpose digital I/O P23, multiplexed with LVDIN2/VC0 analog input, TIM6_CHA, TIM4_CHB, TIM4_CHA, PCA_CH0, SPI_MISO, UART1_TXD and IR_OUT (38 kHz carrier output)."
},
{
"number": "14",
"name": "P24",
"type": "bidirectional",
"description": "General-purpose digital I/O P24, multiplexed with AIN0 analog input, TIM4_CHB, TIM5_CHB, HCLK_OUT, PCA_CH1, SPI_MOSI, UART1_RXD and VC1_OUT."
},
{
"number": "15",
"name": "P25",
"type": "bidirectional",
"description": "General-purpose digital I/O P25, multiplexed with LVDIN3/VC1 analog input, SPI_SCK, PCA_CH0, TIM5_CHA, LVD_OUT, LPUART_RXD, I2C_SDA and TIM1_GATE."
},
{
"number": "16",
"name": "P26",
"type": "bidirectional",
"description": "General-purpose digital I/O P26, multiplexed with AIN1 analog input, SPI_MOSI, TIM4_CHA, TIM5_CHB, PCA_CH2, LPUART_TXD, I2C_SCL and TIM1_EXT."
},
{
"number": "17",
"name": "P27",
"type": "bidirectional",
"description": "General-purpose digital I/O P27, which is also the SWD debug data pin SWDIO and one of the two pins (with P31) used for the SWD programming interface."
},
{
"number": "18",
"name": "P31",
"type": "bidirectional",
"description": "General-purpose digital I/O P31, which is also the SWD debug clock pin SWCLK and one of the two pins (with P27) used for the SWD programming interface."
},
{
"number": "19",
"name": "P32",
"type": "bidirectional",
"description": "General-purpose digital I/O P32, multiplexed with AIN2/VC2 analog input, TIM3_TOGN, PCA_CH2, TIM6_CHB, VC1OUT, UART1_TXD, PCA_CH4 and RTC_1HZ."
},
{
"number": "20",
"name": "P33",
"type": "bidirectional",
"description": "General-purpose digital I/O P33, multiplexed with AIN3/VC3 analog input, LPUART_RXD, PCA_CH1, TIM5_CHB, PCA_ECI, UART1_RXD, XTL_OUT (32K oscillator output) and TIM1_TOGN."
}
],
"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: MPN suffix check: the MPN is HC32L110C4PA-TSSOP20TR, but the ordering table (p.67) lists only HC32L1; Pin 4 is RESETB/P00. The datasheet calls it a reset input and also lists it as GPIO P00 digital inpu; Pin 8 VCAP is typed as power_out because the datasheet describes it as an internal LDO core-supply o"
],
"pages_sent": 46,
"cost_usd": 0.1663,
"at": "2026-10-18T23:44:41"
},
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"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944924615561216",
"pages": 69,
"sha256": "9ca08dbf01e4bbb9",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
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