component
ATMEGA169A-AU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-64(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega169a-au.step/atmega169a-au.glbare 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).