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ATXMEGA32C4-MH

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Microchip Tech Pre-ordered MCUs, VQFN-44-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatxmega32c4-mhfactory-2.0.0extractor-text

Verified ATXMEGA32C4-MH

by Ray · last 9 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

9 Nov 2026RayPublished by the parts factory: tier mfr, 45 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATXMEGA32C4-MH · VQFN-44-EP(7x7) · 45 pins
  • ✓copper: 45 copper pads, none touching another net
  • ✓datasheet: all 45 pin names found in the 190-page datasheet
  • ✓distributor: lcsc C618155, digikey ATXMEGA32C4-MH-ND, mouser 556-ATXMEGA32C4-MH
  • ✓family: QFN-44-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-w4hjbxlo/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: 45 pins = 45 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 45 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atxmega32c4-mh.kicad_sym✓ atxmega32c4-mh.kicad_mod✓ atxmega32c4-mh.step
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Contents

README

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ATXMEGA32C4-MH

Microchip Tech · Pre-ordered MCUs · VQFN-44-EP(7x7)

ATXMEGA32C4-MH from Microchip Tech, in a VQFN-44-EP(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 PA5 bidirectional Port A pin 5 general purpose I/O with SYNC interrupt, alternate functions ADC5 (ADCA positive/gain input) and AC5 (ACA input).
2 PA6 bidirectional Port A pin 6 general purpose I/O with SYNC interrupt, alternate functions ADC6, AC6 and AC1OUT.
3 PA7 bidirectional Port A pin 7 general purpose I/O with SYNC interrupt, alternate functions ADC7, AC7 and AC0OUT.
4 PB0 bidirectional Port B pin 0 general purpose I/O with SYNC interrupt, alternate functions ADC8 and AREFB (analog reference input).
5 PB1 bidirectional Port B pin 1 general purpose I/O with SYNC interrupt, alternate function ADC9.
6 PB2 bidirectional Port B pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate function ADC10.
7 PB3 bidirectional Port B pin 3 general purpose I/O with SYNC interrupt, alternate function ADC11.
8 GND power_in Ground.
9 VCC power_in Digital supply voltage (1.6 - 3.6V device operating range).
10 PC0 bidirectional Port C pin 0 general purpose I/O with SYNC interrupt, alternate functions OC0A, OC0ALS (TCC0/AWEXC) and SDA (TWIC).
11 PC1 bidirectional Port C pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B, OC0AHS, XCK0 (USARTC0) and SCL (TWIC).
12 PC2 bidirectional Port C pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C, OC0BLS and RXD0 (USARTC0).
13 PC3 bidirectional Port C pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D, OC0BHS and TXD0 (USARTC0).
14 PC4 bidirectional Port C pin 4 general purpose I/O with SYNC interrupt, alternate functions OC0CLS, OC1A, SS (SPIC) and RTCOUT.
15 PC5 bidirectional Port C pin 5 general purpose I/O with SYNC interrupt, alternate functions OC0CHS, OC1B, XCK1 and MOSI (SPIC).
16 PC6 bidirectional Port C pin 6 general purpose I/O with SYNC interrupt, alternate functions OC0DLS, RXD1 (USARTC1), MISO (SPIC) and clkRTC.
17 PC7 bidirectional Port C pin 7 general purpose I/O with SYNC interrupt, alternate functions OC0DHS, TXD1 (USARTC1), SCK (SPIC), clkPER and EVOUT.
18 GND power_in Ground.
19 VCC power_in Digital supply voltage (1.6 - 3.6V device operating range).
20 PD0 bidirectional Port D pin 0 general purpose I/O with SYNC interrupt, alternate function OC0A (TCD0).
21 PD1 bidirectional Port D pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B (TCD0) and XCK0 (USARTD0).
22 PD2 bidirectional Port D pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C (TCD0) and RXD0 (USARTD0).
23 PD3 bidirectional Port D pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D (TCD0) and TXD0 (USARTD0).
24 PD4 bidirectional Port D pin 4 general purpose I/O with SYNC interrupt, alternate function SS (SPID).
25 PD5 bidirectional Port D pin 5 general purpose I/O with SYNC interrupt, alternate function MOSI (SPID).
26 PD6 bidirectional Port D pin 6 general purpose I/O with SYNC interrupt, alternate functions MISO (SPID) and USB D-.
27 PD7 bidirectional Port D pin 7 general purpose I/O with SYNC interrupt, alternate functions SCK (SPID), USB D+, ClkPER and EVOUT.
28 PE0 bidirectional Port E pin 0 general purpose I/O with SYNC interrupt, alternate functions OC0A (TCE0) and SDA (TWIE).
29 PE1 bidirectional Port E pin 1 general purpose I/O with SYNC interrupt, alternate functions OC0B (TCE0) and SCL (TWIE).
30 GND power_in Ground.
31 VCC power_in Digital supply voltage (1.6 - 3.6V device operating range).
32 PE2 bidirectional Port E pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions OC0C (TCE0) and TOSC2.
33 PE3 bidirectional Port E pin 3 general purpose I/O with SYNC interrupt, alternate functions OC0D (TCE0) and TOSC1.
34 PDI bidirectional Program and Debug Interface data pin (PDI_DATA).
35 RESET input Reset pin, also used as the Program and Debug Interface clock input (PDI_CLK).
36 PR0 bidirectional Port R pin 0 general purpose I/O with SYNC interrupt, alternate functions TOSC2 and XTAL2.
37 PR1 bidirectional Port R pin 1 general purpose I/O with SYNC interrupt, alternate functions TOSC1 and XTAL1.
38 GND power_in Ground.
39 AVCC power_in Analog supply voltage.
40 PA0 bidirectional Port A pin 0 general purpose I/O with SYNC interrupt, alternate functions ADC0, AC0 and AREFA (analog reference input).
41 PA1 bidirectional Port A pin 1 general purpose I/O with SYNC interrupt, alternate functions ADC1 and AC1.
42 PA2 bidirectional Port A pin 2 general purpose I/O with SYNC/ASYNC interrupt, alternate functions ADC2 and AC2.
43 PA3 bidirectional Port A pin 3 general purpose I/O with SYNC interrupt, alternate functions ADC3 and AC3.
44 PA4 bidirectional Port A pin 4 general purpose I/O with SYNC interrupt, alternate functions ADC4 and AC4.
45 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package VQFN-44-EP(7x7)
Category Embedded Processors & Controllers
Pins 45

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Power supply voltage VCC -0.3 4 V 84
Current into a VCC pin IVCC 200 mA 84
Current out of a GND pin IGND 200 mA 84
Pin voltage with respect to GND and VCC VPIN -0.5 V 84
I/O pin sink/source current IPIN -25 25 mA 84
Storage temperature TA -65 150 °C 84
Junction temperature Tj 150 °C 84
Power supply voltage VCC 1.6 3.6 V 84
Analog supply voltage AVCC 1.6 3.6 V 84
Temperature range TA -40 85 °C 84
Junction temperature Tj -40 105 °C 84
CPU clock frequency ClkCPU 0 12 MHz VCC = 1.6V 84
CPU clock frequency ClkCPU 0 32 MHz VCC = 2.7V 84
I/O pin source/sink current IOH/IOL -20 20 mA 89
Low level input voltage VIL -0.5 V VCC = 2.4 - 3.6V 89
Input leakage current I/O pin IIN 1 µA T = 25°C 89
Pull/buss keeper resistor RP 25 k 89
BOD level 0 falling VCC VBOT 1.5 1.62 1.75 V BOD level 0 falling VCC 93
Factory calibration accuracy 32.768kHz internal oscillator -0.5 0.5 % T = 85C, VCC = 3.0V 95
User calibration accuracy 32.768kHz internal oscillator -0.5 0.5 % 95
Frequency range 2MHz internal oscillator 1.8 2.2 MHz DFLL can tune to this frequency over voltage and temperature 95
Factory calibration accuracy 2MHz internal oscillator -1.5 1.5 % T = 85C, VCC= 3.0V 95
User calibration accuracy 2MHz internal oscillator -0.2 0.2 % 95
Frequency range 32MHz internal oscillator 30 32 55 MHz DFLL can tune to this frequency over voltage and temperature 95
Factory calibration accuracy 32MHz internal oscillator -1.5 1.5 % T = 85C, VCC= 3.0V 95
User calibration accuracy 32MHz internal oscillator -0.2 0.2 % 95
Factory calibration accuracy 32kHz ULP internal oscillator -12 12 % T = 85C, VCC= 3.0V 95
Accuracy 32kHz ULP internal oscillator -30 30 % 95
Input frequency fIN 0.4 64 MHz Output frequency must be within fOUT 96
Output frequency fOUT 20 48 MHz VCC = 1.6 - 1.8V 96
Output frequency fOUT 20 128 MHz VCC = 2.7 - 3.6V 96
Clock frequency with prescaler 1/tCK 0 12 MHz VCC = 1.6 - 1.8V 97
Clock frequency with prescaler 1/tCK 0 32 MHz VCC = 2.7 - 3.6V 97
ADC clock frequency ClkADC 100 1800 kHz Maximum is 1/4 of peripheral clock frequency 90
Input offset voltage Voff -10 10 mV VCC = 1.6V - 3.6V 92

CAD (KiCad official)

  • Symbol: ATXMEGA32C4-MH
  • Footprint: Package_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-44-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: atxmega32c4-mh-etched.step / atxmega32c4-mh-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atxmega32c4-mh.step / atxmega32c4-mh.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (190 pp, sha256 a9165d75787eeebc, retrieved 2026-11-09, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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