component
ATMEGA88A-AUR
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.
main
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"slug": "atmega88a-aur",
"title": "ATMEGA88A-AUR",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "ATMEGA88A-AUR",
"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/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf",
"parts": {
"symbol": "atmega88a-aur.kicad_sym",
"footprint": "atmega88a-aur.kicad_mod",
"model_3d": "atmega88a-aur-hero.glb",
"model_3d_plain": "atmega88a-aur-etched.glb",
"model_3d_step": "atmega88a-aur-etched.step",
"model_3d_step_plain": "atmega88a-aur.step",
"lbr": "atmega88a-aur.lbr"
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"distributor_links": {
"lcsc": "C2052774",
"digikey": "ATMEGA88A-AURTR-ND",
"mouser": "556-ATMEGA88A-AUR"
},
"distributor_check": {
"checked_at": "2026-11-02T19:16:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA88A-AURTR-ND",
"status": "found"
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"mouser": {
"pn": "556-ATMEGA88A-AUR",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
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},
"pins": [
{
"number": "1",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3, bidirectional I/O with internal pull-up; alternate functions INT1, OC2B and PCINT19."
},
{
"number": "2",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4, bidirectional I/O with internal pull-up; alternate functions XCK, T0 and PCINT20."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "6",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
},
{
"number": "7",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, I/O with pull-up; depending on clock fuse settings it is XTAL1 input to the inverting oscillator amplifier, or TOSC1 for Timer/Counter2; also PCINT6."
},
{
"number": "8",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, I/O with pull-up; depending on clock fuse settings it is XTAL2 output of the inverting oscillator amplifier, or TOSC2 for Timer/Counter2; also PCINT7."
},
{
"number": "9",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5, bidirectional I/O with internal pull-up; alternate functions T1, OC0B and PCINT21."
},
{
"number": "10",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6, bidirectional I/O with internal pull-up; alternate functions AIN0, OC0A and PCINT22."
},
{
"number": "11",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7, bidirectional I/O with internal pull-up; alternate functions AIN1 and PCINT23."
},
{
"number": "12",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0, bidirectional I/O with internal pull-up; alternate functions ICP1, CLKO and PCINT0."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1, bidirectional I/O with internal pull-up; alternate functions OC1A and PCINT1."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2, bidirectional I/O with internal pull-up; alternate functions SS, OC1B and PCINT2."
},
{
"number": "15",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3, bidirectional I/O with internal pull-up; alternate functions MOSI, OC2A and PCINT3."
},
{
"number": "16",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4, bidirectional I/O with internal pull-up; alternate functions MISO and PCINT4."
},
{
"number": "17",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5, bidirectional I/O with internal pull-up; alternate functions SCK and PCINT5."
},
{
"number": "18",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage for the A/D converter, PC3:0 and ADC7:6; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used."
},
{
"number": "19",
"name": "ADC6",
"type": "input",
"description": "Analog input channel 6 of the 10-bit A/D converter (TQFP and VQFN only), powered from the analog supply."
},
{
"number": "20",
"name": "AREF",
"type": "input",
"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 10-bit A/D converter (TQFP and VQFN only), powered from the analog supply."
},
{
"number": "23",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0, bidirectional I/O with internal pull-up; ADC0 input (analog power) and PCINT8."
},
{
"number": "24",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1, bidirectional I/O with internal pull-up; ADC1 input (analog power) and PCINT9."
},
{
"number": "25",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2, bidirectional I/O with internal pull-up; ADC2 input (analog power) and PCINT10."
},
{
"number": "26",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3, bidirectional I/O with internal pull-up; ADC3 input (analog power) and PCINT11."
},
{
"number": "27",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4, bidirectional I/O with internal pull-up; ADC4 input (digital power), SDA two-wire data and PCINT12."
},
{
"number": "28",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5, bidirectional I/O with internal pull-up; ADC5 input (digital power), SCL two-wire clock and PCINT13."
},
{
"number": "29",
"name": "PC6/RESET",
"type": "bidirectional",
"description": "Reset input when RSTDISBL fuse is unprogrammed (a low level longer than the minimum pulse length generates a Reset), otherwise an I/O pin with electrical characteristics differing from other Port C pins; also PCINT14."
},
{
"number": "30",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0, bidirectional I/O with internal pull-up; alternate functions RXD and PCINT16."
},
{
"number": "31",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1, bidirectional I/O with internal pull-up; alternate functions TXD and PCINT17."
},
{
"number": "32",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2, bidirectional I/O with internal pull-up; alternate functions INT0 and PCINT18."
}
],
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"primary_model": "claude-sonnet-5-5",
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"guards": "pin_guards 0.1: passed",
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"extractor flagged: Pin numbers were derived from the garbled text extraction of the 32-TQFP top-view figure; the order ; Pin types for AREF, ADC6/7 and PC6/RESET are inferred from the described function; the datasheet giv; The datasheet covers several parts in this family. The ordering section lists ATmega88A-AUR (tape an"
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"metadata": {
"specs": {
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"Package": "TQFP-32(7x7)",
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"Pins": "32"
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