component
ATMEGA16M1-MU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, QFN-32-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
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"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Pre-ordered MCUs, QFN-32-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"atmega16m1-mu",
"factory-2.0.0",
"extractor-text"
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"atmega16m1-mu.step",
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"docs/atmega16m1-mu-datasheet.pdf",
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"component": {
"mpn": "ATMEGA16M1-MU",
"manufacturer": "Microchip Tech",
"package": "QFN-32-EP(7x7)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Summary.pdf",
"parts": {
"symbol": "atmega16m1-mu.kicad_sym",
"footprint": "atmega16m1-mu.kicad_mod",
"model_3d": "atmega16m1-mu-hero.glb",
"model_3d_plain": "atmega16m1-mu-etched.glb",
"model_3d_step": "atmega16m1-mu-etched.step",
"model_3d_step_plain": "atmega16m1-mu.step",
"lbr": "atmega16m1-mu.lbr"
},
"distributor_links": {
"lcsc": "C1338153",
"digikey": "ATMEGA16M1-MU-ND",
"mouser": "556-ATMEGA16M1-MU"
},
"distributor_check": {
"checked_at": "2026-11-02T17:46:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATMEGA16M1-MU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATMEGA16M1-MU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 is a bidirectional I/O pin with internal pull-up, also serving OC1A, PSCIN2, MISO_A and PCINT18 alternate functions."
},
{
"number": "2",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 is a bidirectional I/O pin with internal pull-up, also serving TXD, TXLIN, OC0A, SS, MOSI_A and PCINT19 alternate functions."
},
{
"number": "3",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 is a bidirectional I/O pin with internal pull-up, also serving PSCIN1, OC1B, SS_A and PCINT9 alternate functions."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage pin, which must be externally connected to the supply and should be operated within 2.7V to 5.5V."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground pin serving as the 0V digital reference."
},
{
"number": "6",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 is a bidirectional I/O pin with internal pull-up, also serving T0 clock input, TXCAN and PCINT10 alternate functions."
},
{
"number": "7",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 is a bidirectional I/O pin with internal pull-up, also serving T1 clock input, RXCAN, ICP1B and PCINT11 alternate functions."
},
{
"number": "8",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 is a bidirectional I/O pin with internal pull-up, also serving MISO, PSCOUT2A and PCINT0 alternate functions."
},
{
"number": "9",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 is a bidirectional I/O pin with internal pull-up, also serving MOSI, PSCOUT2B and PCINT1 alternate functions."
},
{
"number": "10",
"name": "PE1",
"type": "bidirectional",
"description": "Port E bit 1 is a bidirectional I/O pin with internal pull-up that can serve as XTAL1, the input to the inverting oscillator amplifier, depending on clock fuse settings."
},
{
"number": "11",
"name": "PE2",
"type": "bidirectional",
"description": "Port E bit 2 is a bidirectional I/O pin with internal pull-up that can serve as XTAL2, the output of the inverting oscillator amplifier, depending on clock fuse settings."
},
{
"number": "12",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 is a bidirectional I/O pin with internal pull-up, also serving ADC1, RXD, RXLIN, ICP1A, SCK_A and PCINT20 alternate functions."
},
{
"number": "13",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC2, ACMP2 and PCINT21 alternate functions."
},
{
"number": "14",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC3, ACMPN2, INT0 and PCINT22 alternate functions."
},
{
"number": "15",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 is a bidirectional I/O pin with internal pull-up, also serving ACMP0 and PCINT23 alternate functions."
},
{
"number": "16",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 is a bidirectional I/O pin with internal pull-up, also serving ADC5, INT1, ACMPN0 and PCINT2 alternate functions."
},
{
"number": "17",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 is a bidirectional I/O pin with internal pull-up, also serving ADC8, AMP1-, ACMPN3 and PCINT12 alternate functions."
},
{
"number": "18",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC9, AMP1+, ACMP3 and PCINT13 alternate functions."
},
{
"number": "19",
"name": "AVCC",
"type": "power_in",
"description": "Analog supply voltage pin for the A/D converter, D/A converter and current source, which should be connected to VCC even if the ADC and DAC are not used."
},
{
"number": "20",
"name": "AGND",
"type": "power_in",
"description": "Analog ground pin serving as the 0V reference for the analog part."
},
{
"number": "21",
"name": "AREF",
"type": "power_in",
"description": "Analog reference pin that is the reference voltage of the A/D converter and can also be used as an output by external analog circuitry."
},
{
"number": "22",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC10, ACMP1 and PCINT14 alternate functions."
},
{
"number": "23",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 is a bidirectional I/O pin with internal pull-up, also serving the AMP0- differential amplifier negative input and PCINT3 alternate functions."
},
{
"number": "24",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 is a bidirectional I/O pin with internal pull-up, also serving the AMP0+ differential amplifier positive input and PCINT4 alternate functions."
},
{
"number": "25",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7 is a bidirectional I/O pin with internal pull-up, also serving D2A DAC output, AMP2+ and PCINT15 alternate functions."
},
{
"number": "26",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC6, INT2, ACMPN1, AMP2- and PCINT5 alternate functions."
},
{
"number": "27",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC7, PSCOUT1B and PCINT6 alternate functions."
},
{
"number": "28",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 is a bidirectional I/O pin with internal pull-up, also serving ADC4, PSCOUT0B, SCK and PCINT7 alternate functions."
},
{
"number": "29",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 is a bidirectional I/O pin with internal pull-up, also serving PSCOUT0A and PCINT16 alternate functions."
},
{
"number": "30",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 is a bidirectional I/O pin with internal pull-up, also serving PSCOUT1A, INT3 and PCINT8 alternate functions."
},
{
"number": "31",
"name": "PE0",
"type": "bidirectional",
"description": "Port E bit 0 is an I/O pin that serves as the RESET input when the RSTDISBL fuse is unprogrammed, with a low level longer than the minimum pulse length generating a reset, and also serves OCD and PCINT24."
},
{
"number": "32",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 is a bidirectional I/O pin with internal pull-up, also serving PSCIN0, CLKO and PCINT17 alternate functions."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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: The datasheet pin table lists only the 32 signal pins of the QFN32 (PV) package. The exposed thermal; Footnote (1) on page 8 states the PSC output functions marked (1) are only for ATmega32M1/64M1, not ; Footnote 2 on page 8 says that on engineering samples the ACMPN3 alternate function is on PE2 (pin 1"
],
"pages_sent": 18,
"cost_usd": 0.0353,
"at": "2026-11-02T17:46:13"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Summary.pdf",
"pages": 18,
"sha256": "dc674c6bd1b9753c",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"up": "Z",
"units": "mm",
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"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "afe831be98fa088656575ced69678652cfeb02016fd78294648a04f826511f74",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atmega16m1-mu-etched.step",
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}