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ATMEGA162-16AU
Public Made by Adomby adom
Microchip Tech ATMEL & AVR, TQFP-44(10x10). 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
markdownATMEGA162-16AU
Microchip Tech · ATMEL & AVR · TQFP-44(10x10)
ATMEGA162-16AU from Microchip Tech, in a TQFP-44(10x10). 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 | PB5 | bidirectional | Port B bit 5, 8-bit bidirectional I/O with selectable internal pull-up; alternate function MOSI (SPI). |
| 2 | PB6 | bidirectional | Port B bit 6, bidirectional I/O with selectable internal pull-up; alternate function MISO (SPI). |
| 3 | PB7 | bidirectional | Port B bit 7, bidirectional I/O with selectable internal pull-up; alternate function SCK (SPI). |
| 4 | RESET | input | Reset input; a low level longer than the minimum pulse length generates a Reset even if the clock is not running. |
| 5 | PD0 | bidirectional | Port D bit 0, bidirectional I/O with selectable internal pull-up; alternate function RXD0 (USART0). |
| 6 | VCC | power_in | Digital supply voltage (2.7 - 5.5V for ATmega162). |
| 7 | PD1 | bidirectional | Port D bit 1, bidirectional I/O with selectable internal pull-up; alternate function TXD0 (USART0). |
| 8 | PD2 | bidirectional | Port D bit 2, bidirectional I/O with selectable internal pull-up; alternate functions INT0 and XCK1. |
| 9 | PD3 | bidirectional | Port D bit 3, bidirectional I/O with selectable internal pull-up; alternate functions INT1 and ICP3. |
| 10 | PD4 | bidirectional | Port D bit 4, bidirectional I/O with selectable internal pull-up; alternate functions TOSC1, XCK0 and OC3A. |
| 11 | PD5 | bidirectional | Port D bit 5, bidirectional I/O with selectable internal pull-up; alternate functions OC1A and TOSC2. |
| 12 | PD6 | bidirectional | Port D bit 6, bidirectional I/O with selectable internal pull-up; alternate function WR (external memory write strobe). |
| 13 | PD7 | bidirectional | Port D bit 7, bidirectional I/O with selectable internal pull-up; alternate function RD (external memory read strobe). |
| 14 | XTAL2 | output | Output from the inverting oscillator amplifier. |
| 15 | XTAL1 | input | Input to the inverting oscillator amplifier and input to the internal clock operating circuit. |
| 16 | GND | power_in | Ground. |
| 17 | VCC | power_in | Digital supply voltage (2.7 - 5.5V for ATmega162). |
| 18 | PC0 | bidirectional | Port C bit 0, bidirectional I/O with selectable internal pull-up; alternate functions A8 and PCINT8. |
| 19 | PC1 | bidirectional | Port C bit 1, bidirectional I/O with selectable internal pull-up; alternate functions A9 and PCINT9. |
| 20 | PC2 | bidirectional | Port C bit 2, bidirectional I/O with selectable internal pull-up; alternate functions A10 and PCINT10. |
| 21 | PC3 | bidirectional | Port C bit 3, bidirectional I/O with selectable internal pull-up; alternate functions A11 and PCINT11. |
| 22 | PC4 | bidirectional | Port C bit 4, bidirectional I/O; alternate functions TCK (JTAG), A12 and PCINT12; pull-up stays active during Reset if JTAG is enabled. |
| 23 | PC5 | bidirectional | Port C bit 5, bidirectional I/O; alternate functions TMS (JTAG), A13 and PCINT13; pull-up stays active during Reset if JTAG is enabled. |
| 24 | PC6 | bidirectional | Port C bit 6, bidirectional I/O with selectable internal pull-up; alternate functions TDO (JTAG), A14 and PCINT14. |
| 25 | PC7 | bidirectional | Port C bit 7, bidirectional I/O; alternate functions TDI (JTAG), A15 and PCINT15; pull-up stays active during Reset if JTAG is enabled. |
| 26 | PE2 | bidirectional | Port E bit 2, 3-bit port bidirectional I/O with selectable internal pull-up; alternate function OC1B. |
| 27 | PE1 | bidirectional | Port E bit 1, bidirectional I/O with selectable internal pull-up; alternate function ALE (external memory address latch enable). |
| 28 | GND | power_in | Ground. |
| 29 | PE0 | bidirectional | Port E bit 0, bidirectional I/O with selectable internal pull-up; alternate functions ICP1 and INT2. |
| 30 | PA7 | bidirectional | Port A bit 7, bidirectional I/O with selectable internal pull-up; alternate functions AD7 and PCINT7. |
| 31 | PA6 | bidirectional | Port A bit 6, bidirectional I/O with selectable internal pull-up; alternate functions AD6 and PCINT6. |
| 32 | PA5 | bidirectional | Port A bit 5, bidirectional I/O with selectable internal pull-up; alternate functions AD5 and PCINT5. |
| 33 | PA4 | bidirectional | Port A bit 4, bidirectional I/O with selectable internal pull-up; alternate functions AD4 and PCINT4. |
| 34 | PA3 | bidirectional | Port A bit 3, bidirectional I/O with selectable internal pull-up; alternate functions AD3 and PCINT3. |
| 35 | PA2 | bidirectional | Port A bit 2, bidirectional I/O with selectable internal pull-up; alternate functions AD2 and PCINT2. |
| 36 | PA1 | bidirectional | Port A bit 1, bidirectional I/O with selectable internal pull-up; alternate functions AD1 and PCINT1. |
| 37 | PA0 | bidirectional | Port A bit 0, bidirectional I/O with selectable internal pull-up; alternate functions AD0 and PCINT0. |
| 38 | VCC | power_in | Digital supply voltage (2.7 - 5.5V for ATmega162). |
| 39 | GND | power_in | Ground. |
| 40 | PB0 | bidirectional | Port B bit 0, bidirectional I/O with selectable internal pull-up; alternate functions OC0 and T0. |
| 41 | PB1 | bidirectional | Port B bit 1, bidirectional I/O with selectable internal pull-up; alternate functions OC2 and T1. |
| 42 | PB2 | bidirectional | Port B bit 2, bidirectional I/O with selectable internal pull-up; alternate functions RXD1 and AIN0. |
| 43 | PB3 | bidirectional | Port B bit 3, bidirectional I/O with selectable internal pull-up; alternate functions TXD1 and AIN1. |
| 44 | PB4 | bidirectional | Port B bit 4, bidirectional I/O with selectable internal pull-up; alternate functions SS and OC3B. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | TQFP-44(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 44 |
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 Voltage | VCC | 2.7 | 5.5 | V | ATmega162 | 1 | |
| Speed Grade | 0 | 16 | MHz | ATmega162, 2.7 - 5.5V | 1 | ||
| Operating Temperature Range | -40 | 85 | °C | Industrial | 14 | ||
| Package lead coplanarity | 0.1 | mm | 44A TQFP | 15 |
CAD (KiCad official)
- Symbol:
ATMEGA162-16AU - Footprint:
Package_QFP:TQFP-44_10x10mm_P0.8mm - 3D model: TQFP-44(10x10) (KiCad packages3D, STEP)
- 3D model files:
atmega162-16au-etched.step/atmega162-16au-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega162-16au.step/atmega162-16au.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (22 pp, sha256
16fae2a4368c194f, retrieved 2026-10-22, 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).