# ATtiny28L\-4A (Component)

## Description

4MHz, 2kB Flash, No SRAM, No EEPROM, TQFP\-32
AVR 8bit Microcontroller tinyAVR IR
TQFP\*7x7mm\*P0\.8mm\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/28/2026
- **Last Updated:** 10/28/2026
- **Visibility:** Public
- **Package or Case Code:** TQFP\-32\_7x7mm\_P0\.8mm
- **Part Type:** Microcontroller
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/5b29a6cea52e674e3b7c1af8dd42d6c91704381c4dd7162815623c0b44883520\.pdf
- **Manufacturer Name:** Microchip
- **Manufacturer Part Number:** ATtiny28L\-4A

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATtiny28L\-4A
- **Package / Case Code:** 32\-TQFP
- **Pin Count:** 32
- **Logic Function:** AND
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | PD3 | Bi\-Directional |
| 2 | PD4 | Bi\-Directional |
| 3 | NC | Not Connected |
| 4 | VCC | Power In |
| 5 | GND | Power In |
| 6 | NC | Not Connected |
| 7 | XTAL1 | Input |
| 8 | XTAL2 | Output |
| 9 | PD5 | Bi\-Directional |
| 10 | PD6 | Bi\-Directional |
| 11 | PD7 | Bi\-Directional |
| 12 | PB0 | Bi\-Directional |
| 13 | PB1 | Bi\-Directional |
| 14 | PB2 | Bi\-Directional |
| 15 | PB3 | Bi\-Directional |
| 16 | PB4 | Bi\-Directional |
| 17 | PB5 | Bi\-Directional |
| 18 | VCC | Passive |
| 19 | NC | Not Connected |
| 20 | NC | Not Connected |
| 21 | GND | Passive |
| 22 | NC | Not Connected |
| 23 | PB6 | Bi\-Directional |
| 24 | PB7 | Bi\-Directional |
| 25 | PA2 | Bi\-Directional |
| 26 | PA3 | Bi\-Directional |
| 27 | PA1 | Bi\-Directional |
| 28 | PA0 | Bi\-Directional |
| 29 | \~\{RESET\} | Input |
| 30 | PD0 | Bi\-Directional |
| 31 | PD1 | Bi\-Directional |
| 32 | PD2 | Bi\-Directional |

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*Generated from [https://flux\.ai/kicad\-part\-library/attiny28l\-4a](https://flux.ai/kicad-part-library/attiny28l-4a)*