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ATMEGA1608-MFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-32-EP(5x5). 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
markdownATMEGA1608-MFR
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · VQFN-32-EP(5x5)
ATMEGA1608-MFR from Microchip Tech, in a VQFN-32-EP(5x5). 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 on the VDD domain; alternate functions include TWI SCL (host), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0 OUT. |
| 2 | PA4 | bidirectional | PORTA pin 4; alternate functions include SPI0 MOSI, USART0 TxD (alternate position) and TCA0 WO4. |
| 3 | PA5 | bidirectional | PORTA pin 5; alternate functions include SPI0 MISO, USART0 RxD (alternate position) and TCA0 WO5. |
| 4 | PA6 | bidirectional | PORTA pin 6; alternate functions include SPI0 SCK, USART0 XCK (alternate position) and LUT0 OUT (alternate position). |
| 5 | PA7 | bidirectional | PORTA pin 7; alternate functions include CLKOUT, AC0 OUT, SPI0 SS, USART0 XDIR (alternate position) and EVOUTA (alternate position). |
| 6 | PC0 | bidirectional | PORTC pin 0; alternate functions include USART1 TxD, TCB2 WO and CCL LUT1 IN0. |
| 7 | PC1 | bidirectional | PORTC pin 1; alternate functions include USART1 RxD, TCB3 WO (alternate position) and CCL LUT1 IN1. |
| 8 | PC2 | bidirectional | PORTC pin 2 with TWI capability; alternate functions include USART1 XCK, TWI0 SDA (host), EVOUTC and LUT1 IN2. |
| 9 | PC3 | bidirectional | PORTC pin 3 with TWI capability; alternate functions include USART1 XDIR, TWI0 SCL (host) and LUT1 OUT. |
| 10 | PD0 | bidirectional | PORTD pin 0 on the AVDD domain; ADC0 input AIN0 and CCL LUT2 IN0. |
| 11 | PD1 | bidirectional | PORTD pin 1 on the AVDD domain; ADC0 input AIN1, AC0 positive input P3 and LUT2 IN1. |
| 12 | PD2 | bidirectional | PORTD pin 2 on the AVDD domain; ADC0 input AIN2, AC0 positive input P0, EVOUTD and LUT2 IN2. |
| 13 | PD3 | bidirectional | PORTD pin 3 on the AVDD domain; ADC0 input AIN3, AC0 negative input N0 and LUT2 OUT. |
| 14 | PD4 | bidirectional | PORTD pin 4 on the AVDD domain; ADC0 input AIN4 and AC0 positive input P1. |
| 15 | PD5 | bidirectional | PORTD pin 5 on the AVDD domain; ADC0 input AIN5 and AC0 negative input N1. |
| 16 | PD6 | bidirectional | PORTD pin 6 on the AVDD domain; ADC0 input AIN6, AC0 positive input P2 and LUT2 OUT (alternate position). |
| 17 | PD7 | bidirectional | PORTD pin 7 on the AVDD domain; external reference VREFA, ADC0 input AIN7, AC0 negative input N2 and EVOUTD (alternate position). |
| 18 | AVDD | power_in | Analog supply input powering the AVDD-domain pins (PORTD). |
| 19 | GND | power_in | Ground. |
| 20 | PF0 | bidirectional | PORTF pin 0; crystal pin TOSC1, USART2 TxD and CCL LUT3 IN0. |
| 21 | PF1 | bidirectional | PORTF pin 1; crystal pin TOSC2, USART2 RxD and CCL LUT3 IN1. |
| 22 | PF2 | bidirectional | PORTF pin 2 with TWI capability; ADC0 input AIN12, USART2 XCK, TWI0 SDA (client), EVOUTF and LUT3 IN2. |
| 23 | PF3 | bidirectional | PORTF pin 3 with TWI capability; ADC0 input AIN13, USART2 XDIR, TWI0 SCL (client) and LUT3 OUT. |
| 24 | PF4 | bidirectional | PORTF pin 4; ADC0 input AIN14, USART2 TxD (alternate position), TCA0 WO4 and TCB0 WO (alternate position). |
| 25 | PF5 | bidirectional | PORTF pin 5; ADC0 input AIN15, USART2 RxD (alternate position), TCA0 WO5 and TCB1 WO (alternate position). |
| 26 | PF6/RESET | bidirectional | PORTF pin 6, configured as the RESET pin by fuse (RSTPINCFG) or usable as GPIO; also USART2 XCK (alternate position). |
| 27 | UPDI | bidirectional | Unified Program and Debug Interface pin used for programming and debugging. |
| 28 | VDD | power_in | Digital supply input; device operates from 1.8V to 5.5V. |
| 29 | GND | power_in | Ground. |
| 30 | PA0 | bidirectional | PORTA pin 0; external clock input EXTCLK, USART0 TxD, TCA0 WO0 and CCL LUT0 IN0. |
| 31 | PA1 | bidirectional | PORTA pin 1; USART0 RxD, TCA0 WO1 and CCL LUT0 IN1. |
| 32 | PA2 | bidirectional | PORTA pin 2 with TWI capability; USART0 XCK, TWI0 SDA (host), TCA0 WO2, TCB0 WO, EVOUTA and LUT0 IN2. |
| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | VQFN-32-EP(5x5) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 33 |
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 information, ATmega1608-MFR | 520 | |
| Temperature Range | -40 | 125 | °C | Ordering information, ATmega1608-MFR | 520 | ||
| Max. CPU Speed | 20 | MHz | Ordering information, ATmega1608-MFR | 520 |
CAD (KiCad official)
- Symbol:
ATMEGA1608-MFR - Footprint:
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm - 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
atmega1608-mfr-etched.step/atmega1608-mfr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega1608-mfr.step/atmega1608-mfr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (552 pp, sha256
e4bbeee766cda6b4, retrieved 2026-10-23, 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).