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AVR128DA32-I

MICROCHIP TECHNOLOGY INC · Global Sourcing Parts · TQFP-32(7x7)

AVR128DA32-I from MICROCHIP TECHNOLOGY INC, 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 PA3 bidirectional PORTA pin 3 general purpose I/O with TWI0 SCL (host), USART0 XDIR, TCA0 WO3 and CCL LUT0 OUT functions, and PTC channel X3/Y3.
2 PA4 bidirectional PORTA pin 4 general purpose I/O with USART0 TxD (alternate), SPI0 MOSI, TCA0 WO4 and PTC channel X4/Y4.
3 PA5 bidirectional PORTA pin 5 general purpose I/O with USART0 RxD (alternate), SPI0 MISO, TCA0 WO5 and PTC channel X5/Y5.
4 PA6 bidirectional PORTA pin 6 general purpose I/O with USART0 XCK (alternate), SPI0 SCK, TCB0 WO output and PTC channel X6/Y6; has full asynchronous pin-change detection.
5 PA7 bidirectional PORTA pin 7 general purpose I/O with CLKOUT, ZCD OUT, SPI0 SS, USART0 XDIR (alternate), TCD0 WOD, EVOUTA (alternate) and PTC channel X7/Y7.
6 PC0 bidirectional PORTC pin 0 general purpose I/O with USART1 TxD, SPI0 MOSI, TCA0 WO0 (alternate), TCB2 WO and CCL LUT1 IN0.
7 PC1 bidirectional PORTC pin 1 general purpose I/O with USART1 RxD, SPI0 MISO, TCA0 WO1 (alternate), TCB3 WO (alternate) and CCL LUT1 IN1.
8 PC2 bidirectional PORTC pin 2 general purpose I/O with USART1 XCK, SPI0 SCK, TWI0 SDA (host, alternate), TCA0 WO2 (alternate), EVOUTC and CCL LUT1 IN2; has full asynchronous pin-change detection.
9 PC3 bidirectional PORTC pin 3 general purpose I/O with USART1 XDIR, SPI0 SS, TWI0 SCL (host, alternate), TCA0 WO3 (alternate) and CCL LUT1 OUT.
10 PD0 bidirectional PORTD pin 0 general purpose I/O with ADC0 input AIN0, AC AINN1 input, TCA0 WO0 (alternate), CCL LUT2 IN0 and PTC channel X16/Y16.
11 PD1 bidirectional PORTD pin 1 general purpose I/O with ADC0 input AIN1, ZCD0 input ZCIN, TCA0 WO1 (alternate), CCL LUT2 IN1 and PTC channel X17/Y17.
12 PD2 bidirectional PORTD pin 2 general purpose I/O with ADC0 input AIN2, AC AINP0 input, EVOUTD, CCL LUT2 IN2 and PTC channel X18/Y18; has full asynchronous pin-change detection.
13 PD3 bidirectional PORTD pin 3 general purpose I/O with ADC0 input AIN3, AC inputs AINN0/AINP1, TCA0 WO3 (alternate), CCL LUT2 OUT and PTC channel X19/Y19.
14 PD4 bidirectional PORTD pin 4 general purpose I/O with ADC0 input AIN4, AC inputs AINP2/AINP1, TCA0 WO4 (alternate) and PTC channel X20/Y20.
15 PD5 bidirectional PORTD pin 5 general purpose I/O with ADC0 input AIN5, AC input AINN0, TCA0 WO5 (alternate) and PTC channel X21/Y21.
16 PD6 bidirectional PORTD pin 6 general purpose I/O with ADC0 input AIN6, AC AINP3 input, DAC0 VOUT, CCL LUT2 OUT (alternate) and PTC channel X22/Y22; has full asynchronous pin-change detection.
17 PD7 bidirectional PORTD pin 7 general purpose I/O with external voltage reference input VREFA, ADC0 input AIN7, AC AINN2/AINN0 inputs, EVOUTD (alternate) and PTC channel X23/Y23.
18 AVDD power_in Analog supply pin, internally connected to VDD (no separate power domains on the AVR DA family); each supply/ground pin pair needs its own decoupling capacitor.
19 GND power_in Ground pin; each supply pin and its corresponding GND pin must have a separate decoupling capacitor placed close to the device.
20 PF0 bidirectional PORTF pin 0 general purpose I/O with 32.768 kHz crystal input XTAL32K1, ADC0 positive-only input AIN16, USART2 TxD, TCA0 WO0 (alternate) and CCL LUT3 IN0.
21 PF1 bidirectional PORTF pin 1 general purpose I/O with 32.768 kHz crystal output XTAL32K2, ADC0 positive-only input AIN17, USART2 RxD, TCA0 WO1 (alternate) and CCL LUT3 IN1.
22 PF2 bidirectional PORTF pin 2 general purpose I/O with ADC0 positive-only input AIN18, USART2 XCK, TWI1 SDA (host), EVOUTF and CCL LUT3 IN2; has full asynchronous pin-change detection.
23 PF3 bidirectional PORTF pin 3 general purpose I/O with ADC0 positive-only input AIN19, USART2 XDIR, TWI1 SCL (host), TCA0 WO3 (alternate) and CCL LUT3 OUT.
24 PF4 bidirectional PORTF pin 4 general purpose I/O with ADC0 positive-only input AIN20, USART2 TxD (alternate), TCA0 WO4 (alternate) and TCB0 WO (alternate).
25 PF5 bidirectional PORTF pin 5 general purpose I/O with ADC0 positive-only input AIN21, USART2 RxD (alternate), TCA0 WO5 (alternate) and TCB1 WO (alternate).
26 PF6 (RESET) input Active-low external Reset input with internal pull-up (enabled via RSTPINCFG fuse); input-only pin that can be configured as a general input when Reset is disabled.
27 UPDI bidirectional Dedicated Unified Program and Debug Interface pin using half-duplex asynchronous UART communication for programming and debugging, with no other function.
28 VDD power_in Digital supply pin; the ordering table lists a 1.8-5.5V supply range, and it is internally connected to AVDD.
29 GND power_in Ground pin; requires its own decoupling capacitor with the corresponding supply pin.
30 PA0 (EXTCLK) bidirectional PORTA pin 0 general purpose I/O with external clock input EXTCLK, USART0 TxD, TCA0 WO0, CCL LUT0 IN0 and PTC channel X0/Y0.
31 PA1 bidirectional PORTA pin 1 general purpose I/O with USART0 RxD, TCA0 WO1, CCL LUT0 IN1 and PTC channel X1/Y1.
32 PA2 bidirectional PORTA pin 2 general purpose I/O with USART0 XCK, TWI0 SDA (host), TCA0 WO2, TCB0 WO, EVOUTA, CCL LUT0 IN2 and PTC channel X2/Y2; has full asynchronous pin-change detection.

Key specifications

Parameter Value
Manufacturer MICROCHIP TECHNOLOGY INC
Package TQFP-32(7x7)
Category Global Sourcing Parts
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
Supply Voltage VDD 1.8 5.5 V Ordering table, AVR128DA32-I/PT 638
Operating Temperature Range (Industrial) -40 85 °C I = Industrial, AVR128DA32-I/PT 638
Maximum EXTCLK input frequency 24 MHz External clock (EXTCLK) maximum input frequency 91

CAD (KiCad official)

  • Symbol: AVR128DA32-I
  • Footprint: Package_QFP:TQFP-32_7x7mm_P0.8mm
  • 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: avr128da32-i-etched.step / avr128da32-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); avr128da32-i.step / avr128da32-i.glb are the bare package body.

Provenance

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

  • Datasheet: MICROCHIP TECHNOLOGY INC datasheet (684 pp, sha256 6aff7827cea3b091, retrieved 2026-10-26, 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