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ATMEGA16M1-MU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, QFN-32-EP(7x7). 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
markdownATMEGA16M1-MU
Microchip Tech · Pre-ordered MCUs · QFN-32-EP(7x7)
ATMEGA16M1-MU from Microchip Tech, in a QFN-32-EP(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 | PD2 | bidirectional | Port D bit 2 is a bidirectional I/O pin with internal pull-up, also serving OC1A, PSCIN2, MISO_A and PCINT18 alternate functions. |
| 2 | PD3 | bidirectional | Port D bit 3 is a bidirectional I/O pin with internal pull-up, also serving TXD, TXLIN, OC0A, SS, MOSI_A and PCINT19 alternate functions. |
| 3 | PC1 | bidirectional | Port C bit 1 is a bidirectional I/O pin with internal pull-up, also serving PSCIN1, OC1B, SS_A and PCINT9 alternate functions. |
| 4 | VCC | power_in | Digital supply voltage pin, which must be externally connected to the supply and should be operated within 2.7V to 5.5V. |
| 5 | GND | power_in | Ground pin serving as the 0V digital reference. |
| 6 | PC2 | bidirectional | Port C bit 2 is a bidirectional I/O pin with internal pull-up, also serving T0 clock input, TXCAN and PCINT10 alternate functions. |
| 7 | PC3 | bidirectional | Port C bit 3 is a bidirectional I/O pin with internal pull-up, also serving T1 clock input, RXCAN, ICP1B and PCINT11 alternate functions. |
| 8 | PB0 | bidirectional | Port B bit 0 is a bidirectional I/O pin with internal pull-up, also serving MISO, PSCOUT2A and PCINT0 alternate functions. |
| 9 | PB1 | bidirectional | Port B bit 1 is a bidirectional I/O pin with internal pull-up, also serving MOSI, PSCOUT2B and PCINT1 alternate functions. |
| 10 | PE1 | bidirectional | Port E bit 1 is a bidirectional I/O pin with internal pull-up that can serve as XTAL1, the input to the inverting oscillator amplifier, depending on clock fuse settings. |
| 11 | PE2 | bidirectional | Port E bit 2 is a bidirectional I/O pin with internal pull-up that can serve as XTAL2, the output of the inverting oscillator amplifier, depending on clock fuse settings. |
| 12 | PD4 | bidirectional | Port D bit 4 is a bidirectional I/O pin with internal pull-up, also serving ADC1, RXD, RXLIN, ICP1A, SCK_A and PCINT20 alternate functions. |
| 13 | PD5 | bidirectional | Port D bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC2, ACMP2 and PCINT21 alternate functions. |
| 14 | PD6 | bidirectional | Port D bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC3, ACMPN2, INT0 and PCINT22 alternate functions. |
| 15 | PD7 | bidirectional | Port D bit 7 is a bidirectional I/O pin with internal pull-up, also serving ACMP0 and PCINT23 alternate functions. |
| 16 | PB2 | bidirectional | Port B bit 2 is a bidirectional I/O pin with internal pull-up, also serving ADC5, INT1, ACMPN0 and PCINT2 alternate functions. |
| 17 | PC4 | bidirectional | Port C bit 4 is a bidirectional I/O pin with internal pull-up, also serving ADC8, AMP1-, ACMPN3 and PCINT12 alternate functions. |
| 18 | PC5 | bidirectional | Port C bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC9, AMP1+, ACMP3 and PCINT13 alternate functions. |
| 19 | AVCC | power_in | Analog supply voltage pin for the A/D converter, D/A converter and current source, which should be connected to VCC even if the ADC and DAC are not used. |
| 20 | AGND | power_in | Analog ground pin serving as the 0V reference for the analog part. |
| 21 | AREF | power_in | Analog reference pin that is the reference voltage of the A/D converter and can also be used as an output by external analog circuitry. |
| 22 | PC6 | bidirectional | Port C bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC10, ACMP1 and PCINT14 alternate functions. |
| 23 | PB3 | bidirectional | Port B bit 3 is a bidirectional I/O pin with internal pull-up, also serving the AMP0- differential amplifier negative input and PCINT3 alternate functions. |
| 24 | PB4 | bidirectional | Port B bit 4 is a bidirectional I/O pin with internal pull-up, also serving the AMP0+ differential amplifier positive input and PCINT4 alternate functions. |
| 25 | PC7 | bidirectional | Port C bit 7 is a bidirectional I/O pin with internal pull-up, also serving D2A DAC output, AMP2+ and PCINT15 alternate functions. |
| 26 | PB5 | bidirectional | Port B bit 5 is a bidirectional I/O pin with internal pull-up, also serving ADC6, INT2, ACMPN1, AMP2- and PCINT5 alternate functions. |
| 27 | PB6 | bidirectional | Port B bit 6 is a bidirectional I/O pin with internal pull-up, also serving ADC7, PSCOUT1B and PCINT6 alternate functions. |
| 28 | PB7 | bidirectional | Port B bit 7 is a bidirectional I/O pin with internal pull-up, also serving ADC4, PSCOUT0B, SCK and PCINT7 alternate functions. |
| 29 | PD0 | bidirectional | Port D bit 0 is a bidirectional I/O pin with internal pull-up, also serving PSCOUT0A and PCINT16 alternate functions. |
| 30 | PC0 | bidirectional | Port C bit 0 is a bidirectional I/O pin with internal pull-up, also serving PSCOUT1A, INT3 and PCINT8 alternate functions. |
| 31 | PE0 | bidirectional | Port E bit 0 is an I/O pin that serves as the RESET input when the RSTDISBL fuse is unprogrammed, with a low level longer than the minimum pulse length generating a reset, and also serves OCD and PCINT24. |
| 32 | PD1 | bidirectional | Port D bit 1 is a bidirectional I/O pin with internal pull-up, also serving PSCIN0, CLKO and PCINT17 alternate functions. |
| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | QFN-32-EP(7x7) |
| Category | Embedded Processors & Controllers |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating voltage | 2.7 | 5.5 | V | 2 | |||
| Extended operating temperature | -40 | 85 | °C | 2 | |||
| Core speed grade | 8 | MHz | 2.7 - 4.5V | 2 | |||
| Core speed grade | 16 | MHz | 4.5 - 5.5V | 2 | |||
| Current source (LIN node identification) tolerance | -2 | 2 | % | 2 | |||
| Current source (LIN node identification) current | 100 | μA | 2 |
CAD (KiCad official)
- Symbol:
ATMEGA16M1-MU - Footprint:
Package_DFN_QFN:QFN-32-1EP_7x7mm_P0.65mm_EP4.7x4.7mm - 3D model: QFN-32-EP(7x7) (KiCad packages3D, STEP)
- 3D model files:
atmega16m1-mu-etched.step/atmega16m1-mu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega16m1-mu.step/atmega16m1-mu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (18 pp, sha256
dc674c6bd1b9753c, retrieved 2026-11-02, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).