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ATMEGA32M1-AU

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Microchip Tech Pre-ordered MCUs, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatmega32m1-aufactory-2.0.0extractor-text

Verified ATMEGA32M1-AU

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 32 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATMEGA32M1-AU · TQFP-32(7x7) · 32 pins
  • ✓copper: 32 copper pads, none touching another net
  • ✓datasheet: all 32 pin names found in the 18-page datasheet
  • ✓distributor: lcsc C1337460, digikey ATMEGA32M1-AU-ND, mouser 556-ATMEGA32M1-AU
  • ✓family: TQFP-32_7x7mm_P0.8mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-c1cxm5iu/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 32 pins = 32 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 32 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega32m1-au.kicad_sym✓ atmega32m1-au.kicad_mod✓ atmega32m1-au.step
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ATMEGA32M1-AU

Microchip Tech · Pre-ordered MCUs · TQFP-32(7x7)

ATMEGA32M1-AU from Microchip Tech, in a TQFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PD2 bidirectional Port D bit 2 with alternate functions OC1A (Timer 1 output compare A), PSCIN2 (PSC digital input 2), MISO_A (programming and alternate SPI master in/slave out) and PCINT18; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
2 PD3 bidirectional Port D bit 3 with alternate functions TXD (UART Tx data), TXLIN (LIN transmit output), OC0A (Timer 0 output compare A), SS (SPI slave select), MOSI_A (programming and alternate SPI master out/slave in) and PCINT19; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
3 PC1 bidirectional Port C bit 1 with alternate functions PSCIN1 (PSC digital input 1), OC1B (Timer 1 output compare B), SS_A (alternate SPI slave select) and PCINT9; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
4 VCC power_in Digital power supply voltage, operating range 2.7 V to 5.5 V.
5 GND power_in Ground, 0 V reference.
6 PC2 bidirectional Port C bit 2 with alternate functions T0 (Timer 0 clock input), TXCAN (CAN transmit output) and PCINT10; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
7 PC3 bidirectional Port C bit 3 with alternate functions T1 (Timer 1 clock input), RXCAN (CAN receive input), ICP1B (Timer 1 alternate input capture B) and PCINT11; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
8 PB0 bidirectional Port B bit 0 with alternate functions MISO (SPI master in slave out), PSCOUT2A (PSC module 2 output A, ATmega32M1/64M1 only) and PCINT0; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
9 PB1 bidirectional Port B bit 1 with alternate functions MOSI (SPI master out slave in), PSCOUT2B (PSC module 2 output B, ATmega32M1/64M1 only) and PCINT1; port pins have internal pull-up resistors selectable per bit and are tri-stated when reset is active.
10 PE1 bidirectional Port E bit 1 that, depending on the clock selection fuse settings, serves as XTAL1 input to the inverting oscillator amplifier and input to the internal clock circuit, with alternate functions OC0B (Timer 0 output compare B) and PCINT25.
11 PE2 bidirectional Port E bit 2 that, depending on the clock selection fuse settings, serves as XTAL2 output from the inverting oscillator amplifier, with alternate functions ADC0 (analog input channel 0) and PCINT26.
12 PD4 bidirectional Port D bit 4 with alternate functions ADC1 (analog input channel 1), RXD (UART Rx data), RXLIN (LIN receive input), ICP1A (Timer 1 input capture alternate A), SCK_A (programming and alternate SPI clock) and PCINT20; port pins have internal pull-up resistors selectable per bit.
13 PD5 bidirectional Port D bit 5 with alternate functions ADC2 (analog input channel 2), ACMP2 (analog comparator 2 positive input) and PCINT21; port pins have internal pull-up resistors selectable per bit.
14 PD6 bidirectional Port D bit 6 with alternate functions ADC3 (analog input channel 3), ACMPN2 (analog comparator 2 negative input), INT0 (external interrupt 0 input) and PCINT22; port pins have internal pull-up resistors selectable per bit.
15 PD7 bidirectional Port D bit 7 with alternate functions ACMP0 (analog comparator 0 positive input) and PCINT23; port pins have internal pull-up resistors selectable per bit.
16 PB2 bidirectional Port B bit 2 with alternate functions ADC5 (analog input channel 5), INT1 (external interrupt 1 input), ACMPN0 (analog comparator 0 negative input) and PCINT2; port pins have internal pull-up resistors selectable per bit.
17 PC4 bidirectional Port C bit 4 with alternate functions ADC8 (analog input channel 8), AMP1- (differential amplifier 1 negative input), ACMPN3 (analog comparator 3 negative input) and PCINT12; port pins have internal pull-up resistors selectable per bit.
18 PC5 bidirectional Port C bit 5 with alternate functions ADC9 (analog input channel 9), AMP1+ (differential amplifier 1 positive input), ACMP3 (analog comparator 3 positive input) and PCINT13; port pins have internal pull-up resistors selectable per bit.
19 AVCC power_in Supply voltage pin for the ADC, DAC and current source that must be externally connected to VCC even if the ADC and DAC are unused, through a low-pass filter if the ADC is used.
20 AGND power_in Analog ground, 0 V reference for the analog part.
21 AREF bidirectional Analog reference pin for the A/D converter that, as an output, can be used by an external analog circuit (ISRC current source output); must be connected to a stable reference voltage when used as input.
22 PC6 bidirectional Port C bit 6 with alternate functions ADC10 (analog input channel 10), ACMP1 (analog comparator 1 positive input) and PCINT14; port pins have internal pull-up resistors selectable per bit.
23 PB3 bidirectional Port B bit 3 with alternate functions AMP0- (differential amplifier 0 negative input) and PCINT3; port pins have internal pull-up resistors selectable per bit.
24 PB4 bidirectional Port B bit 4 with alternate functions AMP0+ (differential amplifier 0 positive input) and PCINT4; port pins have internal pull-up resistors selectable per bit.
25 PC7 bidirectional Port C bit 7 with alternate functions D2A (DAC output), AMP2+ (differential amplifier 2 positive input) and PCINT15; port pins have internal pull-up resistors selectable per bit.
26 PB5 bidirectional Port B bit 5 with alternate functions ADC6 (analog input channel 6), INT2 (external interrupt 2 input), ACMPN1 (analog comparator 1 negative input), AMP2- (differential amplifier 2 negative input) and PCINT5; port pins have internal pull-up resistors selectable per bit.
27 PB6 bidirectional Port B bit 6 with alternate functions ADC7 (analog input channel 7), PSCOUT1B (PSC module 1 output, ATmega32M1/64M1 only) and PCINT6; port pins have internal pull-up resistors selectable per bit.
28 PB7 bidirectional Port B bit 7 with alternate functions ADC4 (analog input channel 4), PSCOUT0B (PSC module 0 output B, ATmega32M1/64M1 only), SCK (SPI clock) and PCINT7; port pins have internal pull-up resistors selectable per bit.
29 PD0 bidirectional Port D bit 0 with alternate functions PSCOUT0A (PSC module 0 output A, ATmega32M1/64M1 only) and PCINT16; port pins have internal pull-up resistors selectable per bit.
30 PC0 bidirectional Port C bit 0 with alternate functions PSCOUT1A (PSC module 1 output A, ATmega32M1/64M1 only), INT3 (external interrupt 3 input) and PCINT8; port pins have internal pull-up resistors selectable per bit.
31 PE0 bidirectional Port E bit 0 that is RESET (reset input, when the RSTDISBL fuse is unprogrammed; a low level longer than the minimum pulse length generates a reset even without a running clock, while shorter pulses are not guaranteed to reset) or I/O with alternate functions OCD (on-chip debug I/O) and PCINT24 when RSTDISBL is programmed, and its electrical characteristics differ from other Port E pins.
32 PD1 bidirectional Port D bit 1 with alternate functions PSCIN0 (PSC digital input 0), CLKO (system clock output) and PCINT17; port pins have internal pull-up resistors selectable per bit.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-32(7x7)
Category Embedded Processors & Controllers
Pins 32

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating voltage 2.7 5.5 V 2
Core speed grade (0 - 8 MHz range) 0 8 MHz Power supply 2.7 - 4.5 V 2
Core speed grade (0 - 16 MHz range) 0 16 MHz Power supply 4.5 - 5.5 V 2
Extended operating temperature -40 85 °C Extended (industrial) operating temperature range 2

CAD (KiCad official)

  • Symbol: ATMEGA32M1-AU
  • Footprint: Package_QFP:TQFP-32_7x7mm_P0.8mm
  • 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: atmega32m1-au-etched.step / atmega32m1-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega32m1-au.step / atmega32m1-au.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (18 pp, sha256 dc674c6bd1b9753c, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF