component
ATSAM4SA16BA-MU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, QFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669
{
"schema_version": 1,
"type": "component",
"slug": "atsam4sa16ba-mu",
"title": "ATSAM4SA16BA-MU",
"brief": "Microchip Tech Pre-ordered MCUs, QFN-64-EP(9x9). 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",
"atsam4sa16ba-mu",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATSAM4SA16BA-MU",
"manufacturer": "Microchip Tech",
"package": "QFN-64-EP(9x9)",
"pin_count": 65,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d5551aa2e0d5163467403501353ff180.pdf",
"parts": {
"symbol": "atsam4sa16ba-mu.kicad_sym",
"footprint": "atsam4sa16ba-mu.kicad_mod",
"model_3d": "atsam4sa16ba-mu-hero.glb",
"model_3d_plain": "atsam4sa16ba-mu-etched.glb",
"model_3d_step": "atsam4sa16ba-mu-etched.step",
"model_3d_step_plain": "atsam4sa16ba-mu.step",
"lbr": "atsam4sa16ba-mu.lbr"
},
"distributor_links": {
"lcsc": "C614616",
"digikey": "ATSAM4SA16BA-MU-ND",
"mouser": "556-ATSAM4SA16BA-MU"
},
"distributor_check": {
"checked_at": "2026-10-31T09:26:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAM4SA16BA-MU-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAM4SA16BA-MU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "ADVREF",
"type": "input",
"description": "ADC, DAC and analog comparator reference voltage input."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "3",
"name": "PB0/AD4",
"type": "bidirectional",
"description": "PIO line PB0 shared with ADC analog input AD4."
},
{
"number": "4",
"name": "PB1/AD5",
"type": "bidirectional",
"description": "PIO line PB1 shared with ADC analog input AD5."
},
{
"number": "5",
"name": "PB2/AD6",
"type": "bidirectional",
"description": "PIO line PB2 shared with ADC analog input AD6."
},
{
"number": "6",
"name": "PB3/AD7",
"type": "bidirectional",
"description": "PIO line PB3 shared with ADC analog input AD7."
},
{
"number": "7",
"name": "VDDIN",
"type": "power_in",
"description": "Voltage regulator input, ADC, DAC and analog comparator supply, 1.62 to 3.6 V."
},
{
"number": "8",
"name": "VDDOUT",
"type": "power_out",
"description": "Voltage regulator output."
},
{
"number": "9",
"name": "PA17/PGMD5/AD0",
"type": "bidirectional",
"description": "PIO line PA17 shared with FFPI data PGMD5 and ADC input AD0."
},
{
"number": "10",
"name": "PA18/PGMD6/AD1",
"type": "bidirectional",
"description": "PIO line PA18 shared with FFPI data PGMD6 and ADC input AD1."
},
{
"number": "11",
"name": "PA21/PGMD9/AD8",
"type": "bidirectional",
"description": "PIO line PA21 shared with FFPI data PGMD9 and ADC input AD8."
},
{
"number": "12",
"name": "VDDCORE",
"type": "power_in",
"description": "Core, first flash rail and embedded memories/peripherals supply, 1.08 to 1.32 V."
},
{
"number": "13",
"name": "PA19/PGMD7/AD2",
"type": "bidirectional",
"description": "PIO line PA19 shared with FFPI data PGMD7 and ADC input AD2."
},
{
"number": "14",
"name": "PA22/PGMD10/AD9",
"type": "bidirectional",
"description": "PIO line PA22 shared with FFPI data PGMD10 and ADC input AD9."
},
{
"number": "15",
"name": "PA23/PGMD11",
"type": "bidirectional",
"description": "PIO line PA23 shared with FFPI data PGMD11."
},
{
"number": "16",
"name": "PA20/PGMD8/AD3",
"type": "bidirectional",
"description": "PIO line PA20 shared with FFPI data PGMD8 and ADC input AD3."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "18",
"name": "VDDIO",
"type": "power_in",
"description": "Peripheral I/O lines, second flash rail, USB transceiver, backup part and oscillator supply, 1.62 to 3.6 V."
},
{
"number": "19",
"name": "PA16/PGMD4",
"type": "bidirectional",
"description": "PIO line PA16 shared with FFPI data PGMD4."
},
{
"number": "20",
"name": "PA15/PGMD3",
"type": "bidirectional",
"description": "PIO line PA15 shared with FFPI data PGMD3."
},
{
"number": "21",
"name": "PA14/PGMD2",
"type": "bidirectional",
"description": "PIO line PA14 shared with FFPI data PGMD2."
},
{
"number": "22",
"name": "PA13/PGMD1",
"type": "bidirectional",
"description": "PIO line PA13 shared with FFPI data PGMD1."
},
{
"number": "23",
"name": "PA24/PGMD12",
"type": "bidirectional",
"description": "PIO line PA24 shared with FFPI data PGMD12."
},
{
"number": "24",
"name": "VDDCORE",
"type": "power_in",
"description": "Core, first flash rail and embedded memories/peripherals supply, 1.08 to 1.32 V."
},
{
"number": "25",
"name": "PA25/PGMD13",
"type": "bidirectional",
"description": "PIO line PA25 shared with FFPI data PGMD13."
},
{
"number": "26",
"name": "PA26/PGMD14",
"type": "bidirectional",
"description": "PIO line PA26 shared with FFPI data PGMD14."
},
{
"number": "27",
"name": "PA12/PGMD0",
"type": "bidirectional",
"description": "PIO line PA12 shared with FFPI data PGMD0."
},
{
"number": "28",
"name": "PA11/PGMM3",
"type": "bidirectional",
"description": "PIO line PA11 shared with FFPI programming mode input PGMM3."
},
{
"number": "29",
"name": "PA10/PGMM2",
"type": "bidirectional",
"description": "PIO line PA10 shared with FFPI programming mode input PGMM2."
},
{
"number": "30",
"name": "PA9/PGMM1",
"type": "bidirectional",
"description": "PIO line PA9 shared with FFPI programming mode input PGMM1."
},
{
"number": "31",
"name": "PA8/XOUT32/PGMM0",
"type": "bidirectional",
"description": "PIO line PA8 shared with 32 kHz crystal output XOUT32 and FFPI mode input PGMM0."
},
{
"number": "32",
"name": "PA7/XIN32/PGMNVALID",
"type": "bidirectional",
"description": "PIO line PA7 shared with 32 kHz crystal input XIN32 and FFPI data direction output PGMNVALID."
},
{
"number": "33",
"name": "TDI/PB4",
"type": "bidirectional",
"description": "JTAG test data in shared with PIO line PB4."
},
{
"number": "34",
"name": "PA6/PGMNOE",
"type": "bidirectional",
"description": "PIO line PA6 shared with FFPI programming read input PGMNOE (active low)."
},
{
"number": "35",
"name": "PA5/PGMRDY",
"type": "bidirectional",
"description": "PIO line PA5 shared with FFPI programming ready output PGMRDY."
},
{
"number": "36",
"name": "PA4/PGMNCMD",
"type": "bidirectional",
"description": "PIO line PA4 shared with FFPI programming command input PGMNCMD (active low)."
},
{
"number": "37",
"name": "PA27/PGMD15",
"type": "bidirectional",
"description": "PIO line PA27 shared with FFPI data PGMD15."
},
{
"number": "38",
"name": "PA28",
"type": "bidirectional",
"description": "General-purpose PIO line PA28."
},
{
"number": "39",
"name": "NRST",
"type": "bidirectional",
"description": "Microcontroller reset, active low input/output."
},
{
"number": "40",
"name": "TST",
"type": "input",
"description": "Test select input; low at power-up selects normal mode, high selects test or FFPI mode, with internal pull-down of about 15 kOhm."
},
{
"number": "41",
"name": "PA29",
"type": "bidirectional",
"description": "General-purpose PIO line PA29."
},
{
"number": "42",
"name": "PA30",
"type": "bidirectional",
"description": "General-purpose PIO line PA30."
},
{
"number": "43",
"name": "PA3",
"type": "bidirectional",
"description": "General-purpose PIO line PA3."
},
{
"number": "44",
"name": "PA2/PGMEN2",
"type": "bidirectional",
"description": "PIO line PA2 shared with FFPI programming enable input PGMEN2."
},
{
"number": "45",
"name": "VDDIO",
"type": "power_in",
"description": "Peripheral I/O lines, second flash rail, USB transceiver, backup part and oscillator supply, 1.62 to 3.6 V."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "47",
"name": "PA1/PGMEN1",
"type": "bidirectional",
"description": "PIO line PA1 shared with FFPI programming enable input PGMEN1."
},
{
"number": "48",
"name": "PA0/PGMEN0",
"type": "bidirectional",
"description": "PIO line PA0 shared with FFPI programming enable input PGMEN0."
},
{
"number": "49",
"name": "TDO/TRACESWO/PB5",
"type": "bidirectional",
"description": "JTAG test data out or asynchronous trace output, shared with PIO line PB5."
},
{
"number": "50",
"name": "JTAGSEL",
"type": "input",
"description": "JTAG selection input, active high."
},
{
"number": "51",
"name": "TMS/SWDIO/PB6",
"type": "bidirectional",
"description": "JTAG test mode select or serial wire I/O, shared with PIO line PB6."
},
{
"number": "52",
"name": "PA31",
"type": "bidirectional",
"description": "General-purpose PIO line PA31."
},
{
"number": "53",
"name": "TCK/SWCLK/PB7",
"type": "bidirectional",
"description": "JTAG test clock or serial wire clock, shared with PIO line PB7."
},
{
"number": "54",
"name": "VDDCORE",
"type": "power_in",
"description": "Core, first flash rail and embedded memories/peripherals supply, 1.08 to 1.32 V."
},
{
"number": "55",
"name": "ERASE/PB12",
"type": "bidirectional",
"description": "Flash erase input shared with PIO line PB12."
},
{
"number": "56",
"name": "DDM/PB10",
"type": "bidirectional",
"description": "USB full-speed data minus shared with PIO line PB10."
},
{
"number": "57",
"name": "DDP/PB11",
"type": "bidirectional",
"description": "USB full-speed data plus shared with PIO line PB11."
},
{
"number": "58",
"name": "VDDIO",
"type": "power_in",
"description": "Peripheral I/O lines, second flash rail, USB transceiver, backup part and oscillator supply, 1.62 to 3.6 V."
},
{
"number": "59",
"name": "PB13/DAC0",
"type": "bidirectional",
"description": "PIO line PB13 shared with DAC analog output DAC0."
},
{
"number": "60",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "61",
"name": "XOUT/PB8",
"type": "bidirectional",
"description": "Main oscillator output shared with PIO line PB8."
},
{
"number": "62",
"name": "XIN/PGMCK/PB9",
"type": "bidirectional",
"description": "Main oscillator input shared with FFPI clock PGMCK and PIO line PB9."
},
{
"number": "63",
"name": "PB14/DAC1",
"type": "bidirectional",
"description": "PIO line PB14 shared with DAC analog output DAC1."
},
{
"number": "64",
"name": "VDDPLL",
"type": "power_in",
"description": "Powers PLLA, PLLB, the fast RC and the 3 to 20 MHz oscillator, 1.08 to 1.32 V."
},
{
"number": "65",
"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-sonnet-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 gives no pin number or name for the QFN exposed pad. It says only that the bottom pad ; The datasheet gives no electrical type for these pins. I assigned types from the function descriptio; The exact VDDOUT and ADVREF descriptions are inferred from the signal names and the regulator and re",
"6/65 pins cited to the wrong page (name found elsewhere): ['39:NRST@p269', '40:TST@p270', '49:TDO/TRACESWO/PB5@p269', '54:VDDCORE@p27']"
],
"pages_sent": 82,
"cost_usd": 0.7785,
"at": "2026-10-31T09:25:52"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d5551aa2e0d5163467403501353ff180.pdf",
"pages": 1269,
"sha256": "64941c58dfa3899c",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 65,
"described": 65,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atsam4sa16ba-mu.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsam4sa16ba-mu-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "d1706576f12c5954a182d37c002c3ce395678795476b6bfe166c0938aae665c4",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-64-EP(9x9)",
"Category": "Embedded Processors & Controllers",
"Pins": "65"
},
"appearance": {
"housing": {
"quote": "before performing the calculation, making the base address for the calculation word-aligned. ̶ Note: To generate the address of an instruction, the constant based on the value of the PC must be",
"page": 118,
"doc": "ds.pdf",
"material": "PC"
},
"version": 1,
"datasheet_sha256": "64941c58dfa3899c4cb518ac2188ff06cfdb6d51cadd3650a5b67d55309a8434"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "64941c58dfa3899c4cb518ac2188ff06cfdb6d51cadd3650a5b67d55309a8434",
"rows": [
{
"name": "VDDIO supply voltage range",
"symbol": "VDDIO",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.6,
"conditions": "I/O lines, flash 2nd rail, USB transceiver, backup part, 32 kHz oscillator",
"source_page": 27,
"source": "datasheet"
},
{
"name": "VDDIN supply voltage range",
"symbol": "VDDIN",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.6,
"conditions": "Voltage regulator input, ADC, DAC and analog comparator supply",
"source_page": 27,
"source": "datasheet"
},
{
"name": "VDDCORE supply voltage range",
"symbol": "VDDCORE",
"kind": "recommended_operating",
"unit": "V",
"min": 1.08,
"typ": null,
"max": 1.32,
"conditions": "Core, first flash rail, embedded memories and peripherals",
"source_page": 27,
"source": "datasheet"
},
{
"name": "VDDPLL supply voltage range",
"symbol": "VDDPLL",
"kind": "recommended_operating",
"unit": "V",
"min": 1.08,
"typ": null,
"max": 1.32,
"conditions": "PLLA, PLLB, fast RC and 3 to 20 MHz oscillator",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Industrial, ATSAM4SA16BA-MU (QFN64)",
"source_page": 1220,
"source": "datasheet"
},
{
"name": "Maximum CPU speed",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Default regulator output voltage",
"symbol": "VDDOUT",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": null,
"conditions": "default output voltage",
"source_page": 28,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atsam4sa16ba-mu"
],
"discovery_pitch": "ATSAM4SA16BA-MU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atsam4sa16ba-mu.kicad_sym",
"atsam4sa16ba-mu.kicad_mod",
"atsam4sa16ba-mu.glb",
"atsam4sa16ba-mu.step",
"atsam4sa16ba-mu.lbr",
"docs/hero.png",
"docs/atsam4sa16ba-mu-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atsam4sa16ba-mu-hero.glb",
"atsam4sa16ba-mu-hero.overlay.json",
"atsam4sa16ba-mu-etched.glb"
],
"visibility": {
"public": true
}
}