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ATMEGA169A-AU

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Microchip Tech Pre-ordered MCUs, TQFP-64(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersatmega169a-aufactory-2.0.0extractor-text

Verified ATMEGA169A-AU

by Ray · last 7 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

7 Nov 2026RayPublished by the parts factory: tier lcsc, 64 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ATMEGA169A-AU · TQFP-64(14x14) · 64 pins
  • ✓copper: 64 copper pads, none touching another net
  • ✓datasheet: all 64 pin names found in the 39-page datasheet
  • ✓distributor: lcsc C1339789, digikey ATMEGA169A-AU-ND, mouser 556-ATMEGA169A-AU
  • ✓family: TQFP-64_14x14mm_P0.8mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-fxh3fm24/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: 64 pins = 64 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 64 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ atmega169a-au.kicad_sym✓ atmega169a-au.kicad_mod✓ atmega169a-au.step
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Contents

README

markdown

ATMEGA169A-AU

Microchip Tech · Pre-ordered MCUs · TQFP-64(14x14)

ATMEGA169A-AU from Microchip Tech, in a TQFP-64(14x14). 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 PE0 bidirectional Port E bit 0, 8-bit bidirectional I/O with selectable pull-up; alternate functions RXD/PCINT0.
2 PE1 bidirectional Port E bit 1, bidirectional I/O with selectable pull-up; alternate functions TXD/PCINT1.
3 LCDCAP passive LCD capacitor connection pin (LCDCAP) shown on the pinout; no further function is given in the supplied text.
4 PE2 bidirectional Port E bit 2, bidirectional I/O with selectable pull-up; alternate functions XCK/AIN0/PCINT2.
5 PE3 bidirectional Port E bit 3, bidirectional I/O with selectable pull-up; alternate functions AIN1/PCINT3.
6 PE4 bidirectional Port E bit 4, bidirectional I/O with selectable pull-up; alternate functions USCK/SCL/PCINT4.
7 PE5 bidirectional Port E bit 5, bidirectional I/O with selectable pull-up; alternate functions DI/SDA/PCINT5.
8 PE6 bidirectional Port E bit 6, bidirectional I/O with selectable pull-up; alternate functions DO/PCINT6.
9 PE7 bidirectional Port E bit 7, bidirectional I/O with selectable pull-up; alternate functions CLKO/PCINT7.
10 PB0 bidirectional Port B bit 0, bidirectional I/O with selectable pull-up and better drive capability than other ports; alternate functions SS/PCINT8.
11 PB1 bidirectional Port B bit 1, bidirectional I/O with selectable pull-up; alternate functions SCK/PCINT9.
12 PB2 bidirectional Port B bit 2, bidirectional I/O with selectable pull-up; alternate functions MOSI/PCINT10.
13 PB3 bidirectional Port B bit 3, bidirectional I/O with selectable pull-up; alternate functions MISO/PCINT11.
14 PB4 bidirectional Port B bit 4, bidirectional I/O with selectable pull-up; alternate functions OC0A/PCINT12.
15 PB5 bidirectional Port B bit 5, bidirectional I/O with selectable pull-up; alternate functions OC1A/PCINT13.
16 PB6 bidirectional Port B bit 6, bidirectional I/O with selectable pull-up; alternate functions OC1B/PCINT14.
17 PB7 bidirectional Port B bit 7, bidirectional I/O with selectable pull-up; alternate functions OC2A/PCINT15.
18 PG3 bidirectional Port G bit 3, bidirectional I/O with selectable pull-up; alternate functions T1/SEG24.
19 PG4 bidirectional Port G bit 4, bidirectional I/O with selectable pull-up; alternate functions T0/SEG23.
20 RESET/PG5 input Reset input: a low level longer than the minimum pulse length generates a reset even if the clock is not running (also shared with Port G bit 5).
21 VCC power_in Digital supply voltage.
22 GND power_in Ground.
23 XTAL2 output Output from the inverting oscillator amplifier (also TOSC2).
24 XTAL1 input Input to the inverting oscillator amplifier and to the internal clock operating circuit (also TOSC1).
25 PD0 bidirectional Port D bit 0, bidirectional I/O with selectable pull-up; alternate functions ICP1/SEG22.
26 PD1 bidirectional Port D bit 1, bidirectional I/O with selectable pull-up; alternate functions INT0/SEG21.
27 PD2 bidirectional Port D bit 2, bidirectional I/O with selectable pull-up; alternate function SEG20.
28 PD3 bidirectional Port D bit 3, bidirectional I/O with selectable pull-up; alternate function SEG19.
29 PD4 bidirectional Port D bit 4, bidirectional I/O with selectable pull-up; alternate function SEG18.
30 PD5 bidirectional Port D bit 5, bidirectional I/O with selectable pull-up; alternate function SEG17.
31 PD6 bidirectional Port D bit 6, bidirectional I/O with selectable pull-up; alternate function SEG16.
32 PD7 bidirectional Port D bit 7, bidirectional I/O with selectable pull-up; alternate function SEG15.
33 PG0 bidirectional Port G bit 0, bidirectional I/O with selectable pull-up; alternate function SEG14.
34 PG1 bidirectional Port G bit 1, bidirectional I/O with selectable pull-up; alternate function SEG13.
35 PC0 bidirectional Port C bit 0, bidirectional I/O with selectable pull-up; alternate function SEG12.
36 PC1 bidirectional Port C bit 1, bidirectional I/O with selectable pull-up; alternate function SEG11.
37 PC2 bidirectional Port C bit 2, bidirectional I/O with selectable pull-up; alternate function SEG10.
38 PC3 bidirectional Port C bit 3, bidirectional I/O with selectable pull-up; alternate function SEG9.
39 PC4 bidirectional Port C bit 4, bidirectional I/O with selectable pull-up; alternate function SEG8.
40 PC5 bidirectional Port C bit 5, bidirectional I/O with selectable pull-up; alternate function SEG7.
41 PC6 bidirectional Port C bit 6, bidirectional I/O with selectable pull-up; alternate function SEG6.
42 PC7 bidirectional Port C bit 7, bidirectional I/O with selectable pull-up; alternate function SEG5.
43 PG2 bidirectional Port G bit 2, bidirectional I/O with selectable pull-up; alternate function SEG4.
44 PA7 bidirectional Port A bit 7, bidirectional I/O with selectable pull-up; alternate function SEG3.
45 PA6 bidirectional Port A bit 6, bidirectional I/O with selectable pull-up; alternate function SEG2.
46 PA5 bidirectional Port A bit 5, bidirectional I/O with selectable pull-up; alternate function SEG1.
47 PA4 bidirectional Port A bit 4, bidirectional I/O with selectable pull-up; alternate function SEG0.
48 PA3 bidirectional Port A bit 3, bidirectional I/O with selectable pull-up; alternate function COM3.
49 PA2 bidirectional Port A bit 2, bidirectional I/O with selectable pull-up; alternate function COM2.
50 PA1 bidirectional Port A bit 1, bidirectional I/O with selectable pull-up; alternate function COM1.
51 PA0 bidirectional Port A bit 0, bidirectional I/O with selectable pull-up; alternate function COM0.
52 VCC power_in Digital supply voltage.
53 GND power_in Ground.
54 PF7 bidirectional Port F bit 7, ADC7 analog input or I/O; JTAG TDI, whose pull-up is active even during reset when JTAG is enabled.
55 PF6 bidirectional Port F bit 6, ADC6 analog input or I/O; JTAG TDO.
56 PF5 bidirectional Port F bit 5, ADC5 analog input or I/O; JTAG TMS, whose pull-up is active even during reset when JTAG is enabled.
57 PF4 bidirectional Port F bit 4, ADC4 analog input or I/O; JTAG TCK, whose pull-up is active even during reset when JTAG is enabled.
58 PF3 bidirectional Port F bit 3, ADC3 analog input of the A/D Converter or general I/O.
59 PF2 bidirectional Port F bit 2, ADC2 analog input of the A/D Converter or general I/O.
60 PF1 bidirectional Port F bit 1, ADC1 analog input of the A/D Converter or general I/O.
61 PF0 bidirectional Port F bit 0, ADC0 analog input of the A/D Converter or general I/O.
62 AREF input Analog reference pin for the A/D Converter.
63 GND power_in Ground.
64 AVCC power_in Supply voltage pin for the A/D Converter (analog supply).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-64(14x14)
Category Embedded Processors & Controllers
Pins 64

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 1.8 5.5 V Ordering information, ATmega169A-AU, power supply 1.8-5.5V 20
Operating temperature (Industrial) -40 85 °C Ordering information, ATmega169A-AU, Industrial operational range 20
Speed 16 MHz Ordering information, ATmega169A-AU, speed 16 MHz at 1.8-5.5V; speed vs VCC per Figure 29-1 (not in supplied text) 20

CAD (KiCad official)

  • Symbol: ATMEGA169A-AU
  • Footprint: Package_QFP:TQFP-64_14x14mm_P0.8mm
  • 3D model: TQFP-64(14x14) (KiCad packages3D, STEP)
  • 3D model files: atmega169a-au-etched.step / atmega169a-au-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega169a-au.step / atmega169a-au.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (39 pp, sha256 d4323bf006acd3e2, retrieved 2026-11-07, tier: lcsc)
  • 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