component
HT66F3197
Public Made by Adomby adom
Holtek Semicon Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ht66f3197",
"title": "HT66F3197",
"brief": "Holtek Semicon Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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",
"ht66f3197",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HT66F3197",
"manufacturer": "Holtek Semicon",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756508665795100672",
"parts": {
"symbol": "ht66f3197.kicad_sym",
"footprint": "ht66f3197.kicad_mod",
"model_3d": "ht66f3197-hero.glb",
"model_3d_plain": "ht66f3197-etched.glb",
"model_3d_step": "ht66f3197-etched.step",
"model_3d_step_plain": "ht66f3197.step",
"lbr": "ht66f3197.lbr"
},
"distributor_links": {
"lcsc": "C2930567"
},
"distributor_check": {
"checked_at": "2026-10-19T01:42:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "PB1/PTPI/PTP",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with PTM capture input (PTPI) and PTM output (PTP)."
},
{
"number": "2",
"name": "PB2/PTCK/PTPB",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with PTM clock input (PTCK) and PTM inverted output (PTPB)."
},
{
"number": "3",
"name": "PB3/CTP",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with CTM output (CTP)."
},
{
"number": "4",
"name": "PB4/CTCK/CTPB",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with CTM clock input (CTCK) and CTM inverted output (CTPB)."
},
{
"number": "5",
"name": "PB5",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply; operating range 1.8V to 5.5V depending on system clock frequency."
},
{
"number": "7",
"name": "VSS",
"type": "power_in",
"description": "Ground."
},
{
"number": "8",
"name": "PB6/OSC1",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with HXT oscillator pin OSC1."
},
{
"number": "9",
"name": "PB7/OSC2",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with HXT oscillator pin OSC2."
},
{
"number": "10",
"name": "PA5/SCK/SCL",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with SPI serial clock (SCK) and I2C clock line (SCL)."
},
{
"number": "11",
"name": "PA1/INT0/SCS",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with external interrupt 0 (INT0) and SPI slave select (SCS)."
},
{
"number": "12",
"name": "PA2/ICPCK/OCDSCK",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with ICP clock (ICPCK) and OCDS clock (OCDSCK, EV chip only)."
},
{
"number": "13",
"name": "PA3/INT1/SDO",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with external interrupt 1 (INT1) and SPI data output (SDO)."
},
{
"number": "14",
"name": "PA4/SDI/SDA",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with SPI data input (SDI) and I2C data line (SDA)."
},
{
"number": "15",
"name": "PA0/ICPDA/OCDSDA",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with ICP address/data (ICPDA) and OCDS address/data (OCDSDA, EV chip only)."
},
{
"number": "16",
"name": "PA6/INT0/RX",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with external interrupt 0 (INT0) and UART RX serial data input."
},
{
"number": "17",
"name": "PA7/INT1/TX",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high and wake-up, shared with external interrupt 1 (INT1) and UART TX serial data output."
},
{
"number": "18",
"name": "PE0/STCK/STPB",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with STM clock input (STCK) and STM inverted output (STPB)."
},
{
"number": "19",
"name": "PE1/STPI/STP",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with STM capture input (STPI) and STM output (STP)."
},
{
"number": "20",
"name": "PE2/CTCK/CTPB",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with CTM clock input (CTCK) and CTM inverted output (CTPB)."
},
{
"number": "21",
"name": "PE3/CTP",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with CTM output (CTP)."
},
{
"number": "22",
"name": "PE4",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high."
},
{
"number": "23",
"name": "PF0/SCS/SCOM0",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with SPI slave select (SCS) and software controlled LCD common output SCOM0."
},
{
"number": "24",
"name": "PF1/SDO/SCOM1",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with SPI data output (SDO) and software controlled LCD common output SCOM1."
},
{
"number": "25",
"name": "PF2/SDI/SDA/SCOM2",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with SPI data input (SDI), I2C data line (SDA) and SCOM2 LCD common output."
},
{
"number": "26",
"name": "PF3/SCK/SCL/SCOM3",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with SPI clock (SCK), I2C clock line (SCL) and SCOM3 LCD common output."
},
{
"number": "27",
"name": "AVDD",
"type": "power_in",
"description": "A/D converter power supply."
},
{
"number": "28",
"name": "PF4/XT2",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with LXT oscillator pin XT2."
},
{
"number": "29",
"name": "PF5/XT1",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with LXT oscillator pin XT1."
},
{
"number": "30",
"name": "AVSS",
"type": "power_in",
"description": "A/D converter ground."
},
{
"number": "31",
"name": "PC0/AN0/VREFI",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN0 and A/D converter PGA voltage input VREFI."
},
{
"number": "32",
"name": "PC1/AN1/CMPO/VREF",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN1, comparator output CMPO and A/D reference voltage input VREF."
},
{
"number": "33",
"name": "PC2/PTPI/PTP/AN2",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with PTM capture input (PTPI), PTM output (PTP) and A/D analog input AN2."
},
{
"number": "34",
"name": "PC3/PTCK/PTPB/AN3",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with PTM clock input (PTCK), PTM inverted output (PTPB) and A/D analog input AN3."
},
{
"number": "35",
"name": "PC4/AN4",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN4."
},
{
"number": "36",
"name": "PC5/AN5",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN5."
},
{
"number": "37",
"name": "PC6/STPI/STP/AN6",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with STM capture input (STPI), STM output (STP) and A/D analog input AN6."
},
{
"number": "38",
"name": "PC7/STCK/STPB/AN7",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with STM clock input (STCK), STM inverted output (STPB) and A/D analog input AN7."
},
{
"number": "39",
"name": "PD0/AN8",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN8."
},
{
"number": "40",
"name": "PD1/AN9",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN9."
},
{
"number": "41",
"name": "PD2/AN10",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN10."
},
{
"number": "42",
"name": "PD3/AN11",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN11."
},
{
"number": "43",
"name": "PD4/AN12",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN12."
},
{
"number": "44",
"name": "PD5/AN13",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN13."
},
{
"number": "45",
"name": "PD6/AN14",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN14."
},
{
"number": "46",
"name": "PF6/AN15/C-",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with A/D analog input AN15 and comparator negative input C-."
},
{
"number": "47",
"name": "PF7/C+",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with comparator positive input C+."
},
{
"number": "48",
"name": "PB0/CX",
"type": "bidirectional",
"description": "General purpose I/O with register-enabled pull-high, shared with comparator output (CX)."
}
],
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin drawing is labelled '48 LQFP-A' and the datasheet text does not state the 7x7 body size. The; Pin 48 is listed as comparator output 'CX' in the pin table, but the PBS0 register description names; OCDSDA and OCDSCK on pins 15 and 12 are used only on the HT66V3197 EV device, not on the HT66F3197.",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 32,
"cost_usd": 1.1473,
"at": "2026-10-19T01:42:05"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756508665795100672",
"pages": 210,
"sha256": "f27a5db1de7ef68e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ht66f3197.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ht66f3197-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "bac4ee69fbdb038ddc683c87c34b065d4195cdc5e7a66d0587e35dfaae2c8501",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Holtek Semicon",
"Package": "LQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f27a5db1de7ef68e0edeabc345a108a84c76d0b1ccd9d4f0fd479f788c1bfecc",
"rows": [
{
"name": "Supply Voltage (VSS−0.3V to VSS+6.0V)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Referenced to VSS",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Input Voltage (VSS−0.3V to VDD+0.3V)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "Min referenced to VSS; max is +0.3V above VDD",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -50,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "IOL Total",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "IOH Total",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -80,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Total Power Dissipation",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HXT)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHXT=4MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HXT)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHXT=8MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HXT)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHXT=12MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HXT)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 3.3,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHXT=16MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HIRC)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHIRC=4MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HIRC)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHIRC=8MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (HIRC)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fHIRC=12MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (LXT)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "fSYS=fLXT=32.768kHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating Voltage (LIRC)",
"symbol": "VDD",
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