component

ATMEGA168PA-AUR

Public Made by Adom

by adom

MICROCHIP(美国微芯) , TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenticatmega168pa-aurfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
atmega168pa-aur / README.md
History Download
Ray Publish 0.1.0 46bc3cc 9d ago

ATMEGA168PA-AUR

MICROCHIP(美国微芯) · IC · TQFP-32(7x7)

ATMEGA168PA-AUR from MICROCHIP(美国微芯), 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 PD3 bidirectional Port D bit 3 with internal pull-up; alternate functions INT1, OC2B and PCINT19.
2 PD4 bidirectional Port D bit 4 with internal pull-up; alternate functions XCK, T0 and PCINT20.
3 GND power_in Ground.
4 VCC power_in Digital supply voltage.
5 GND power_in Ground.
6 VCC power_in Digital supply voltage.
7 PB6 bidirectional Port B bit 6; XTAL1 input to the inverting oscillator amplifier and internal clock circuit depending on clock fuses, also TOSC1 and PCINT6.
8 PB7 bidirectional Port B bit 7; XTAL2 output from the inverting oscillator amplifier depending on clock fuses, also TOSC2 and PCINT7.
9 PD5 bidirectional Port D bit 5 with internal pull-up; alternate functions T1, OC0B and PCINT21.
10 PD6 bidirectional Port D bit 6 with internal pull-up; alternate functions AIN0 (comparator positive input), OC0A and PCINT22.
11 PD7 bidirectional Port D bit 7 with internal pull-up; alternate functions AIN1 (comparator negative input) and PCINT23.
12 PB0 bidirectional Port B bit 0 with internal pull-up; alternate functions ICP1, CLKO (divided system clock output) and PCINT0.
13 PB1 bidirectional Port B bit 1 with internal pull-up; alternate functions OC1A and PCINT1.
14 PB2 bidirectional Port B bit 2 with internal pull-up; alternate functions SS (SPI slave select), OC1B and PCINT2.
15 PB3 bidirectional Port B bit 3 with internal pull-up; alternate functions MOSI, OC2A and PCINT3.
16 PB4 bidirectional Port B bit 4 with internal pull-up; alternate functions MISO and PCINT4.
17 PB5 bidirectional Port B bit 5 with internal pull-up; alternate functions SCK (SPI clock) and PCINT5.
18 AVCC power_in Supply voltage for the A/D converter, PC3:0 and ADC7:6; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used.
19 ADC6 input Analog input channel 6 of the 10-bit A/D converter (TQFP/VQFN only), powered from the analog supply.
20 AREF input Analog reference pin for the A/D converter.
21 GND power_in Ground.
22 ADC7 input Analog input channel 7 of the 10-bit A/D converter (TQFP/VQFN only), powered from the analog supply.
23 PC0 bidirectional Port C bit 0 with internal pull-up; alternate functions ADC0 (analog power) and PCINT8.
24 PC1 bidirectional Port C bit 1 with internal pull-up; alternate functions ADC1 (analog power) and PCINT9.
25 PC2 bidirectional Port C bit 2 with internal pull-up; alternate functions ADC2 (analog power) and PCINT10.
26 PC3 bidirectional Port C bit 3 with internal pull-up; alternate functions ADC3 (analog power) and PCINT11.
27 PC4 bidirectional Port C bit 4 with internal pull-up; alternate functions ADC4 (digital power), SDA (2-wire data) and PCINT12.
28 PC5 bidirectional Port C bit 5 with internal pull-up; alternate functions ADC5 (digital power), SCL (2-wire clock) and PCINT13.
29 PC6/RESET bidirectional Reset input when RSTDISBL fuse is unprogrammed (low level longer than minimum pulse length generates a reset), otherwise I/O pin PC6 with differing electrical characteristics; also PCINT14.
30 PD0 bidirectional Port D bit 0 with internal pull-up; alternate functions RXD (USART input) and PCINT16.
31 PD1 bidirectional Port D bit 1 with internal pull-up; alternate functions TXD (USART output) and PCINT17.
32 PD2 bidirectional Port D bit 2 with internal pull-up; alternate functions INT0 and PCINT18.

Key specifications

Parameter Value
Manufacturer MICROCHIP(美国微芯)
Package TQFP-32(7x7)
Category
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
Operating Temperature (absolute maximum) -55 125 °C 308
Storage Temperature -65 150 °C 308
Voltage on RESET with respect to Ground -0.5 13 V 308
DC Current per I/O Pin 40 mA 308
DC Current VCC and GND Pins 200 mA 308
Voltage on any Pin except RESET with respect to Ground -0.5 V upper limit printed as VCC+0.5V 308
Power Supply Voltage VCC 1.8 5.5 V ATmega168PA-AUR, 20 MHz speed grade 633
Operating Temperature (Industrial) TA -40 85 °C ATmega168PA-AUR, Industrial 633
Speed Grade 20 MHz ATmega168PA-AUR ordering table; maximum frequency depends on VCC (see Figure 29-1) 633

CAD (KiCad official)

  • Symbol: ATMEGA168PA-AUR
  • Footprint: Package_QFP:TQFP-32_7x7mm_P0.8mm
  • 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: atmega168pa-aur-etched.step / atmega168pa-aur-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega168pa-aur.step / atmega168pa-aur.glb are the bare package body.

Provenance

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

  • Datasheet: MICROCHIP(美国微芯) datasheet (653 pp, sha256 b9b9d83cda56a95d, retrieved 2026-10-26, tier: lcsc)
  • 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