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ATMEGA329V-8AU
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownATMEGA329V-8AU
Microchip Tech · Pre-ordered MCUs · TQFP-64(14x14)
ATMEGA329V-8AU 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 | LCDCAP | passive | LCD power reservoir pin; an external capacitor (typical >470nF) must be connected here. |
| 2 | PE0 | bidirectional | Port E bit 0 bi-directional I/O with pull-up; alternate functions RXD (USART receive) and PCINT0. |
| 3 | PE1 | bidirectional | Port E bit 1 bi-directional I/O with pull-up; alternate functions TXD (USART transmit) and PCINT1. |
| 4 | PE2 | bidirectional | Port E bit 2 bi-directional I/O with pull-up; alternate functions XCK, AIN0 and PCINT2. |
| 5 | PE3 | bidirectional | Port E bit 3 bi-directional I/O with pull-up; alternate functions AIN1 and PCINT3. |
| 6 | PE4 | bidirectional | Port E bit 4 bi-directional I/O with pull-up; alternate functions USCK/SCL (USI) and PCINT4. |
| 7 | PE5 | bidirectional | Port E bit 5 bi-directional I/O with pull-up; alternate functions DI/SDA (USI) and PCINT5. |
| 8 | PE6 | bidirectional | Port E bit 6 bi-directional I/O with pull-up; alternate functions DO (USI) and PCINT6. |
| 9 | PE7 | bidirectional | Port E bit 7 bi-directional I/O with pull-up; alternate functions CLKO and PCINT7. |
| 10 | PB0 | bidirectional | Port B bit 0 bi-directional I/O with pull-up; alternate functions SS (SPI slave select) and PCINT8. |
| 11 | PB1 | bidirectional | Port B bit 1 bi-directional I/O with pull-up; alternate functions SCK (SPI clock) and PCINT9. |
| 12 | PB2 | bidirectional | Port B bit 2 bi-directional I/O with pull-up; alternate functions MOSI (SPI) and PCINT10. |
| 13 | PB3 | bidirectional | Port B bit 3 bi-directional I/O with pull-up; alternate functions MISO (SPI) and PCINT11. |
| 14 | PB4 | bidirectional | Port B bit 4 bi-directional I/O with pull-up; alternate functions OC0A and PCINT12. |
| 15 | PB5 | bidirectional | Port B bit 5 bi-directional I/O with pull-up; alternate functions OC1A and PCINT13. |
| 16 | PB6 | bidirectional | Port B bit 6 bi-directional I/O with pull-up; alternate functions OC1B and PCINT14. |
| 17 | PB7 | bidirectional | Port B bit 7 bi-directional I/O with pull-up; alternate functions OC2A and PCINT15. |
| 18 | PG3 | bidirectional | Port G bit 3 bi-directional I/O with pull-up; alternate functions T1 and LCD segment SEG24. |
| 19 | PG4 | bidirectional | Port G bit 4 bi-directional I/O with pull-up; alternate functions T0 and LCD segment SEG23. |
| 20 | RESET/PG5 | input | Active-low reset input; a low level longer than the minimum pulse length generates a reset even if the clock is not running. |
| 21 | VCC | power_in | Digital supply voltage. |
| 22 | GND | power_in | Ground. |
| 23 | XTAL2 | output | Output from the inverting oscillator amplifier; alternate function TOSC2 for the asynchronous timer. |
| 24 | XTAL1 | input | Input to the inverting oscillator amplifier and to the internal clock operating circuit; alternate function TOSC1. |
| 25 | PD0 | bidirectional | Port D bit 0 bi-directional I/O with pull-up; alternate functions ICP1 and LCD segment SEG22. |
| 26 | PD1 | bidirectional | Port D bit 1 bi-directional I/O with pull-up; alternate functions INT0 and LCD segment SEG21. |
| 27 | PD2 | bidirectional | Port D bit 2 bi-directional I/O with pull-up; alternate function LCD segment SEG20. |
| 28 | PD3 | bidirectional | Port D bit 3 bi-directional I/O with pull-up; alternate function LCD segment SEG19. |
| 29 | PD4 | bidirectional | Port D bit 4 bi-directional I/O with pull-up; alternate function LCD segment SEG18. |
| 30 | PD5 | bidirectional | Port D bit 5 bi-directional I/O with pull-up; alternate function LCD segment SEG17. |
| 31 | PD6 | bidirectional | Port D bit 6 bi-directional I/O with pull-up; alternate function LCD segment SEG16. |
| 32 | PD7 | bidirectional | Port D bit 7 bi-directional I/O with pull-up; alternate function LCD segment SEG15. |
| 33 | PG0 | bidirectional | Port G bit 0 bi-directional I/O with pull-up; alternate function LCD segment SEG14. |
| 34 | PG1 | bidirectional | Port G bit 1 bi-directional I/O with pull-up; alternate function LCD segment SEG13. |
| 35 | PC0 | bidirectional | Port C bit 0 bi-directional I/O with pull-up; alternate function LCD segment SEG12. |
| 36 | PC1 | bidirectional | Port C bit 1 bi-directional I/O with pull-up; alternate function LCD segment SEG11. |
| 37 | PC2 | bidirectional | Port C bit 2 bi-directional I/O with pull-up; alternate function LCD segment SEG10. |
| 38 | PC3 | bidirectional | Port C bit 3 bi-directional I/O with pull-up; alternate function LCD segment SEG9. |
| 39 | PC4 | bidirectional | Port C bit 4 bi-directional I/O with pull-up; alternate function LCD segment SEG8. |
| 40 | PC5 | bidirectional | Port C bit 5 bi-directional I/O with pull-up; alternate function LCD segment SEG7. |
| 41 | PC6 | bidirectional | Port C bit 6 bi-directional I/O with pull-up; alternate function LCD segment SEG6. |
| 42 | PC7 | bidirectional | Port C bit 7 bi-directional I/O with pull-up; alternate function LCD segment SEG5. |
| 43 | PG2 | bidirectional | Port G bit 2 bi-directional I/O with pull-up; alternate function LCD segment SEG4. |
| 44 | PA7 | bidirectional | Port A bit 7 bi-directional I/O with pull-up; alternate function LCD segment SEG3. |
| 45 | PA6 | bidirectional | Port A bit 6 bi-directional I/O with pull-up; alternate function LCD segment SEG2. |
| 46 | PA5 | bidirectional | Port A bit 5 bi-directional I/O with pull-up; alternate function LCD segment SEG1. |
| 47 | PA4 | bidirectional | Port A bit 4 bi-directional I/O with pull-up; alternate function LCD segment SEG0. |
| 48 | PA3 | bidirectional | Port A bit 3 bi-directional I/O with pull-up; alternate function LCD common COM3. |
| 49 | PA2 | bidirectional | Port A bit 2 bi-directional I/O with pull-up; alternate function LCD common COM2. |
| 50 | PA1 | bidirectional | Port A bit 1 bi-directional I/O with pull-up; alternate function LCD common COM1. |
| 51 | PA0 | bidirectional | Port A bit 0 bi-directional I/O with pull-up; alternate function LCD common COM0. |
| 52 | VCC | power_in | Digital supply voltage. |
| 53 | GND | power_in | Ground. |
| 54 | PF7 | bidirectional | Port F bit 7 ADC7 analog input or digital I/O; JTAG TDI, with pull-up active even during reset when JTAG is enabled. |
| 55 | PF6 | bidirectional | Port F bit 6 ADC6 analog input or digital I/O; JTAG TDO. |
| 56 | PF5 | bidirectional | Port F bit 5 ADC5 analog input or digital I/O; JTAG TMS, with pull-up active even during reset when JTAG is enabled. |
| 57 | PF4 | bidirectional | Port F bit 4 ADC4 analog input or digital I/O; JTAG TCK, with pull-up active even during reset when JTAG is enabled. |
| 58 | PF3 | bidirectional | Port F bit 3 ADC3 analog input or digital I/O. |
| 59 | PF2 | bidirectional | Port F bit 2 ADC2 analog input or digital I/O. |
| 60 | PF1 | bidirectional | Port F bit 1 ADC1 analog input or digital I/O. |
| 61 | PF0 | bidirectional | Port F bit 0 ADC0 analog input or digital I/O. |
| 62 | AREF | input | Analog reference pin for the A/D converter. |
| 63 | GND | power_in | Ground (analog ground, labelled GND on this package). |
| 64 | AVCC | power_in | Supply voltage for Port F and the A/D converter; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used. |
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 |
|---|---|---|---|---|---|---|---|
| Supply voltage range (ATmega329V-8AU) | VCC | 1.8 | 5.5 | V | Power supply, 8 MHz speed grade (ordering table) | 17 | |
| Operating temperature range | -40 | 85 | °C | Industrial | 17 | ||
| Clock frequency at 1.8 - 5.5V | 0 | 4 | MHz | ATmega329V, 1.8 - 5.5V | 1 | ||
| Clock frequency at 2.7 - 5.5V | 0 | 8 | MHz | ATmega329V, 2.7 - 5.5V | 1 | ||
| Active mode current | 350 | µA | 1MHz, 1.8V | 1 | |||
| Active mode current with oscillator | 20 | µA | 32kHz, 1.8V (including Oscillator) | 1 | |||
| Active mode current with oscillator and LCD | 40 | µA | 32kHz, 1.8V (including Oscillator and LCD) | 1 | |||
| Power-down mode current | 100 | nA | 1.8V | 1 | |||
| LCDCAP external capacitor | 470 | nF | typical > 470nF | 9 |
CAD (KiCad official)
- Symbol:
ATMEGA329V-8AU - Footprint:
Package_QFP:TQFP-64_14x14mm_P0.8mm - 3D model: TQFP-64(14x14) (KiCad packages3D, STEP)
- 3D model files:
atmega329v-8au-etched.step/atmega329v-8au-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega329v-8au.step/atmega329v-8au.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (30 pp, sha256
1776de40e29928b0, retrieved 2026-10-31, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).