component
ATMEGA8A-ANR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"slug": "atmega8a-anr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"atmega8a-anr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atmega8a-anr.kicad_sym",
"atmega8a-anr.kicad_mod",
"atmega8a-anr.glb",
"atmega8a-anr.step",
"atmega8a-anr.lbr",
"docs/hero.png",
"docs/atmega8a-anr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atmega8a-anr-hero.glb",
"atmega8a-anr-hero.overlay.json",
"atmega8a-anr-etched.glb"
],
"component": {
"mpn": "ATMEGA8A-ANR",
"manufacturer": "Microchip Tech",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega8A-Data-Sheet-DS40001974B.pdf",
"parts": {
"symbol": "atmega8a-anr.kicad_sym",
"footprint": "atmega8a-anr.kicad_mod",
"model_3d": "atmega8a-anr-hero.glb",
"model_3d_plain": "atmega8a-anr-etched.glb",
"model_3d_step": "atmega8a-anr-etched.step",
"model_3d_step_plain": "atmega8a-anr.step",
"lbr": "atmega8a-anr.lbr"
},
"distributor_links": {
"lcsc": "C2053361",
"digikey": "ATMEGA8A-ANRTR-ND",
"mouser": "556-ATMEGA8A-ANR"
},
"distributor_check": {
"checked_at": "2026-10-30T23:16:13Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA8A-ANRTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA8A-ANR",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 with internal pull-up option, also External Interrupt source 1 (INT1) input that can trigger an interrupt on pin activity."
},
{
"number": "2",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4, also USART external clock XCK (input or output in synchronous mode) and Timer/Counter0 external counter input T0."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage; the device operates from 2.7 to 5.5 V with 0 to 16 MHz."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "6",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage; the device operates from 2.7 to 5.5 V with 0 to 16 MHz."
},
{
"number": "7",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, used as chip clock oscillator pin 1 / external clock input (or TOSC1 input for Timer/Counter2 when AS2 is set), in which case the pin cannot be used as I/O."
},
{
"number": "8",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, used as chip clock oscillator pin 2 (inverting oscillator amplifier output) or TOSC2 when AS2 is set, in which case the pin cannot be used as I/O."
},
{
"number": "9",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5, also Timer/Counter1 external counter source input T1."
},
{
"number": "10",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6, also Analog Comparator positive input AIN0; configure as input with internal pull-up off to avoid interfering with the comparator."
},
{
"number": "11",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7, also Analog Comparator negative input AIN1; configure as input with internal pull-up off to avoid interfering with the comparator."
},
{
"number": "12",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0, also Timer/Counter1 Input Capture pin ICP1."
},
{
"number": "13",
"name": "PB1 (OC1A)",
"type": "bidirectional",
"description": "Port B bit 1, also Timer/Counter1 Output Compare Match A output OC1A (must be configured as output to serve this function)."
},
{
"number": "14",
"name": "PB2 (SS/OC1B)",
"type": "bidirectional",
"description": "Port B bit 2, also SPI Slave Select SS input (driven low to activate SPI slave) and Timer/Counter1 Output Compare Match B output OC1B."
},
{
"number": "15",
"name": "PB3 (MOSI/OC2)",
"type": "bidirectional",
"description": "Port B bit 3, also SPI Master Output/Slave Input MOSI and Timer/Counter2 Output Compare Match output OC2."
},
{
"number": "16",
"name": "PB4 (MISO)",
"type": "bidirectional",
"description": "Port B bit 4, also SPI Master Input/Slave Output MISO."
},
{
"number": "17",
"name": "PB5 (SCK)",
"type": "bidirectional",
"description": "Port B bit 5, also SPI clock: master clock output or slave clock input SCK."
},
{
"number": "18",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage pin for the A/D Converter, Port C (3:0) and ADC7:6; it should be connected to VCC even if the ADC is not used, and through a low-pass filter if the ADC is used."
},
{
"number": "19",
"name": "ADC6",
"type": "input",
"description": "Analog input channel 6 of the A/D converter (TQFP and VQFN only), powered from the analog supply."
},
{
"number": "20",
"name": "AREF",
"type": "passive",
"description": "Analog reference pin for the A/D Converter."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "22",
"name": "ADC7",
"type": "input",
"description": "Analog input channel 7 of the A/D converter (TQFP and VQFN only), powered from the analog supply."
},
{
"number": "23",
"name": "PC0 (ADC0)",
"type": "bidirectional",
"description": "Port C bit 0 (7-bit port PC5:PC0 with internal pull-ups), also ADC input channel 0 using analog power."
},
{
"number": "24",
"name": "PC1 (ADC1)",
"type": "bidirectional",
"description": "Port C bit 1, also ADC input channel 1 using analog power."
},
{
"number": "25",
"name": "PC2 (ADC2)",
"type": "bidirectional",
"description": "Port C bit 2, also ADC input channel 2 using analog power."
},
{
"number": "26",
"name": "PC3 (ADC3)",
"type": "bidirectional",
"description": "Port C bit 3, also ADC input channel 3 using analog power."
},
{
"number": "27",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4, also Two-wire Serial Interface data SDA (open-drain with slew-rate limit when TWEN is set) and ADC input channel 4 using digital power."
},
{
"number": "28",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5, also Two-wire Serial Interface clock SCL (open-drain with slew-rate limit when TWEN is set) and ADC input channel 5 using digital power."
},
{
"number": "29",
"name": "PC6 (RESET)",
"type": "input",
"description": "Reset input when the RSTDISBL fuse is unprogrammed (a low level longer than the minimum pulse length generates a reset); when RSTDISBL is programmed it is a normal I/O pin with electrical characteristics differing from other Port C pins."
},
{
"number": "30",
"name": "PD0 (RXD)",
"type": "bidirectional",
"description": "Port D bit 0, also USART receive data input RXD, forced to input when the USART receiver is enabled."
},
{
"number": "31",
"name": "PD1 (TXD)",
"type": "bidirectional",
"description": "Port D bit 1, also USART transmit data output TXD, forced to output when the USART transmitter is enabled."
},
{
"number": "32",
"name": "PD2 (INT0)",
"type": "bidirectional",
"description": "Port D bit 2, also External Interrupt source 0 (INT0) input that can serve as an external interrupt source."
}
],
"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: Pin-number-to-name mapping was taken from the Figure 1-1 TQFP Top View, whose text extraction is jum; Pin types are KiCad-style interpretations: port pins are marked bidirectional even where the alterna; The datasheet gives no numeric analog pin limits (voltage range or max current) for AVCC, AREF, or A",
"20/32 pins cited to the wrong page (name found elsewhere): ['1:PD3 (INT1)@p63', '8:PB7 (XTAL2/TOSC2)@p64', '12:PB0 (ICP1)@p63', '14:PB2 (SS/OC1B)@p64']"
],
"pages_sent": 76,
"cost_usd": 0.2894,
"at": "2026-10-30T23:16:01"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega8A-Data-Sheet-DS40001974B.pdf",
"pages": 327,
"sha256": "e10f0e392857e034",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "atmega8a-anr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega8a-anr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "25f280e5e055a1fc3dfe22afc498164833f15991046793ed9166d31917455363",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}