component
ATMEGA64M1-AU
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ATMEGA64M1-AU
Microchip Tech · Microcontrollers (MCU/MPU/SOC) · TQFP-32(7x7)
ATMEGA64M1-AU from Microchip Tech, 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 | PD2 | bidirectional | Port D bit 2 I/O with alternate functions OC1A (Timer 1 output compare A), PSCIN2 (PSC digital input 2), MISO_A (programming and alternate SPI master in/slave out) and PCINT18 (pin change interrupt 18). |
| 2 | PD3 | bidirectional | Port D bit 3 I/O with alternate functions TXD (UART Tx data), TXLIN (LIN transmit output), OC0A (Timer 0 output compare A), SS (SPI slave select), MOSI_A (programming and alternate SPI master out/slave in) and PCINT19 (pin change interrupt 19). |
| 3 | PC1 | bidirectional | Port C bit 1 I/O with alternate functions PSCIN1 (PSC digital input 1), OC1B (Timer 1 output compare B), SS_A (alternate SPI slave select) and PCINT9 (pin change interrupt 9). |
| 4 | VCC | power_in | Power supply for the digital part of the device. |
| 5 | GND | power_in | Ground: 0 V reference. |
| 6 | PC2 | bidirectional | Port C bit 2 I/O with alternate functions T0 (Timer 0 clock input), TXCAN (CAN transmit output) and PCINT10 (pin change interrupt 10). |
| 7 | PC3 | bidirectional | Port C bit 3 I/O with alternate functions T1 (Timer 1 clock input), RXCAN (CAN receive input), ICP1B (Timer 1 alternate input capture B) and PCINT11 (pin change interrupt 11). |
| 8 | PB0 | bidirectional | Port B bit 0 I/O with alternate functions MISO (SPI master in/slave out), PSCOUT2A (PSC module 2 output A) and PCINT0 (pin change interrupt 0). |
| 9 | PB1 | bidirectional | Port B bit 1 I/O with alternate functions MOSI (SPI master out/slave in), PSCOUT2B (PSC module 2 output B) and PCINT1 (pin change interrupt 1). |
| 10 | PE1 | bidirectional | Port E bit 1 I/O which, depending on clock fuse settings, is the XTAL1 input to the inverting oscillator amplifier, with alternate functions OC0B (Timer 0 output compare B) and PCINT25 (pin change interrupt 25). |
| 11 | PE2 | bidirectional | Port E bit 2 I/O which, depending on clock fuse settings, is the XTAL2 output of the inverting oscillator amplifier, with alternate functions ADC0 (analog input channel 0) and PCINT26 (pin change interrupt 26). |
| 12 | PD4 | bidirectional | Port D bit 4 I/O with alternate functions ADC1 (analog input channel 1), RXD (UART Rx data), RXLIN (LIN receive input), ICP1A (Timer 1 input capture alternate A), SCK_A (programming and alternate SPI clock) and PCINT20 (pin change interrupt 20). |
| 13 | PD5 | bidirectional | Port D bit 5 I/O with alternate functions ADC2 (analog input channel 2), ACMP2 (analog comparator 2 positive input) and PCINT21 (pin change interrupt 21). |
| 14 | PD6 | bidirectional | Port D bit 6 I/O with alternate functions ADC3 (analog input channel 3), ACMPN2 (analog comparator 2 negative input), INT0 (external interrupt 0 input) and PCINT22 (pin change interrupt 22). |
| 15 | PD7 | bidirectional | Port D bit 7 I/O with alternate functions ACMP0 (analog comparator 0 positive input) and PCINT23 (pin change interrupt 23). |
| 16 | PB2 | bidirectional | Port B bit 2 I/O with alternate functions ADC5 (analog input channel 5), INT1 (external interrupt 1 input), ACMPN0 (analog comparator 0 negative input) and PCINT2 (pin change interrupt 2). |
| 17 | PC4 | bidirectional | Port C bit 4 I/O with alternate functions ADC8 (analog input channel 8), AMP1- (differential amplifier 1 negative input), ACMPN3 (analog comparator 3 negative input) and PCINT12 (pin change interrupt 12). |
| 18 | PC5 | bidirectional | Port C bit 5 I/O with alternate functions ADC9 (analog input channel 9), AMP1+ (differential amplifier 1 positive input), ACMP3 (analog comparator 3 positive input) and PCINT13 (pin change interrupt 13). |
| 19 | AVCC | power_in | Analog power supply for the ADC, DAC and current source; it must be externally connected to VCC even when ADC/DAC are unused, and through a low-pass filter if the ADC is used. |
| 20 | AGND | power_in | Analog ground: 0 V reference for the analog part. |
| 21 | AREF | power_in | Analog reference for the A/D converter; it can also be used as an output to supply external analog circuits, shared with the ISRC current source output. |
| 22 | PC6 | bidirectional | Port C bit 6 I/O with alternate functions ADC10 (analog input channel 10), ACMP1 (analog comparator 1 positive input) and PCINT14 (pin change interrupt 14). |
| 23 | PB3 | bidirectional | Port B bit 3 I/O with alternate functions AMP0- (differential amplifier 0 negative input) and PCINT3 (pin change interrupt 3). |
| 24 | PB4 | bidirectional | Port B bit 4 I/O with alternate functions AMP0+ (differential amplifier 0 positive input) and PCINT4 (pin change interrupt 4). |
| 25 | PC7 | bidirectional | Port C bit 7 I/O with alternate functions D2A (DAC output), AMP2+ (differential amplifier 2 positive input) and PCINT15 (pin change interrupt 15). |
| 26 | PB5 | bidirectional | Port B bit 5 I/O with alternate functions ADC6 (analog input channel 6), INT2 (external interrupt 2 input), ACMPN1 (analog comparator 1 negative input), AMP2- (differential amplifier 2 negative input) and PCINT5 (pin change interrupt 5). |
| 27 | PB6 | bidirectional | Port B bit 6 I/O with alternate functions ADC7 (analog input channel 7), PSCOUT1B (PSC module 1 output B) and PCINT6 (pin change interrupt 6). |
| 28 | PB7 | bidirectional | Port B bit 7 I/O with alternate functions ADC4 (analog input channel 4), PSCOUT0B (PSC module 0 output B), SCK (SPI clock) and PCINT7 (pin change interrupt 7). |
| 29 | PD0 | bidirectional | Port D bit 0 I/O with alternate functions PSCOUT0A (PSC module 0 output A) and PCINT16 (pin change interrupt 16). |
| 30 | PC0 | bidirectional | Port C bit 0 I/O with alternate functions PSCOUT1A (PSC module 1 output A), INT3 (external interrupt 3 input) and PCINT8 (pin change interrupt 8). |
| 31 | PE0 | bidirectional | Port E bit 0 I/O (or RESET input when the RSTDISBL fuse is unprogrammed, where a low level longer than the minimum pulse length generates a reset), with alternate functions OCD (on-chip debug I/O) and PCINT24 (pin change interrupt 24). |
| 32 | PD1 | bidirectional | Port D bit 1 I/O with alternate functions PSCIN0 (PSC digital input 0), CLKO (system clock output) and PCINT17 (pin change interrupt 17). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | TQFP-32(7x7) |
| Category | Embedded Processors & Controllers |
| 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 voltage | 2.7 | 5.5 | V | Operating voltage | 2 | ||
| Core speed grade | 0 | 8 | MHz | @ 2.7 - 4.5V | 2 | ||
| Core speed grade | 0 | 16 | MHz | @ 4.5 - 5.5V | 2 | ||
| Extended operating temperature | -40 | 85 | °C | 2 | |||
| Current source tolerance (LIN node identification) | -2 | 2 | % | 100μA current source | 2 |
CAD (KiCad official)
- Symbol:
ATMEGA64M1-AU - Footprint:
Package_QFP:TQFP-32_7x7mm_P0.8mm - 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
atmega64m1-au-etched.step/atmega64m1-au-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);atmega64m1-au.step/atmega64m1-au.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (18 pp, sha256
e230b2bdd3e1a229, retrieved 2026-10-20, tier: lcsc) - 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).
# ATMEGA64M1-AU
**Microchip Tech** · Microcontrollers (MCU/MPU/SOC) · TQFP-32(7x7)
ATMEGA64M1-AU from Microchip Tech, 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 | PD2 | bidirectional | Port D bit 2 I/O with alternate functions OC1A (Timer 1 output compare A), PSCIN2 (PSC digital input 2), MISO_A (programming and alternate SPI master in/slave out) and PCINT18 (pin change interrupt 18). |
| 2 | PD3 | bidirectional | Port D bit 3 I/O with alternate functions TXD (UART Tx data), TXLIN (LIN transmit output), OC0A (Timer 0 output compare A), SS (SPI slave select), MOSI_A (programming and alternate SPI master out/slave in) and PCINT19 (pin change interrupt 19). |
| 3 | PC1 | bidirectional | Port C bit 1 I/O with alternate functions PSCIN1 (PSC digital input 1), OC1B (Timer 1 output compare B), SS_A (alternate SPI slave select) and PCINT9 (pin change interrupt 9). |
| 4 | VCC | power_in | Power supply for the digital part of the device. |
| 5 | GND | power_in | Ground: 0 V reference. |
| 6 | PC2 | bidirectional | Port C bit 2 I/O with alternate functions T0 (Timer 0 clock input), TXCAN (CAN transmit output) and PCINT10 (pin change interrupt 10). |
| 7 | PC3 | bidirectional | Port C bit 3 I/O with alternate functions T1 (Timer 1 clock input), RXCAN (CAN receive input), ICP1B (Timer 1 alternate input capture B) and PCINT11 (pin change interrupt 11). |
| 8 | PB0 | bidirectional | Port B bit 0 I/O with alternate functions MISO (SPI master in/slave out), PSCOUT2A (PSC module 2 output A) and PCINT0 (pin change interrupt 0). |
| 9 | PB1 | bidirectional | Port B bit 1 I/O with alternate functions MOSI (SPI master out/slave in), PSCOUT2B (PSC module 2 output B) and PCINT1 (pin change interrupt 1). |
| 10 | PE1 | bidirectional | Port E bit 1 I/O which, depending on clock fuse settings, is the XTAL1 input to the inverting oscillator amplifier, with alternate functions OC0B (Timer 0 output compare B) and PCINT25 (pin change interrupt 25). |
| 11 | PE2 | bidirectional | Port E bit 2 I/O which, depending on clock fuse settings, is the XTAL2 output of the inverting oscillator amplifier, with alternate functions ADC0 (analog input channel 0) and PCINT26 (pin change interrupt 26). |
| 12 | PD4 | bidirectional | Port D bit 4 I/O with alternate functions ADC1 (analog input channel 1), RXD (UART Rx data), RXLIN (LIN receive input), ICP1A (Timer 1 input capture alternate A), SCK_A (programming and alternate SPI clock) and PCINT20 (pin change interrupt 20). |
| 13 | PD5 | bidirectional | Port D bit 5 I/O with alternate functions ADC2 (analog input channel 2), ACMP2 (analog comparator 2 positive input) and PCINT21 (pin change interrupt 21). |
| 14 | PD6 | bidirectional | Port D bit 6 I/O with alternate functions ADC3 (analog input channel 3), ACMPN2 (analog comparator 2 negative input), INT0 (external interrupt 0 input) and PCINT22 (pin change interrupt 22). |
| 15 | PD7 | bidirectional | Port D bit 7 I/O with alternate functions ACMP0 (analog comparator 0 positive input) and PCINT23 (pin change interrupt 23). |
| 16 | PB2 | bidirectional | Port B bit 2 I/O with alternate functions ADC5 (analog input channel 5), INT1 (external interrupt 1 input), ACMPN0 (analog comparator 0 negative input) and PCINT2 (pin change interrupt 2). |
| 17 | PC4 | bidirectional | Port C bit 4 I/O with alternate functions ADC8 (analog input channel 8), AMP1- (differential amplifier 1 negative input), ACMPN3 (analog comparator 3 negative input) and PCINT12 (pin change interrupt 12). |
| 18 | PC5 | bidirectional | Port C bit 5 I/O with alternate functions ADC9 (analog input channel 9), AMP1+ (differential amplifier 1 positive input), ACMP3 (analog comparator 3 positive input) and PCINT13 (pin change interrupt 13). |
| 19 | AVCC | power_in | Analog power supply for the ADC, DAC and current source; it must be externally connected to VCC even when ADC/DAC are unused, and through a low-pass filter if the ADC is used. |
| 20 | AGND | power_in | Analog ground: 0 V reference for the analog part. |
| 21 | AREF | power_in | Analog reference for the A/D converter; it can also be used as an output to supply external analog circuits, shared with the ISRC current source output. |
| 22 | PC6 | bidirectional | Port C bit 6 I/O with alternate functions ADC10 (analog input channel 10), ACMP1 (analog comparator 1 positive input) and PCINT14 (pin change interrupt 14). |
| 23 | PB3 | bidirectional | Port B bit 3 I/O with alternate functions AMP0- (differential amplifier 0 negative input) and PCINT3 (pin change interrupt 3). |
| 24 | PB4 | bidirectional | Port B bit 4 I/O with alternate functions AMP0+ (differential amplifier 0 positive input) and PCINT4 (pin change interrupt 4). |
| 25 | PC7 | bidirectional | Port C bit 7 I/O with alternate functions D2A (DAC output), AMP2+ (differential amplifier 2 positive input) and PCINT15 (pin change interrupt 15). |
| 26 | PB5 | bidirectional | Port B bit 5 I/O with alternate functions ADC6 (analog input channel 6), INT2 (external interrupt 2 input), ACMPN1 (analog comparator 1 negative input), AMP2- (differential amplifier 2 negative input) and PCINT5 (pin change interrupt 5). |
| 27 | PB6 | bidirectional | Port B bit 6 I/O with alternate functions ADC7 (analog input channel 7), PSCOUT1B (PSC module 1 output B) and PCINT6 (pin change interrupt 6). |
| 28 | PB7 | bidirectional | Port B bit 7 I/O with alternate functions ADC4 (analog input channel 4), PSCOUT0B (PSC module 0 output B), SCK (SPI clock) and PCINT7 (pin change interrupt 7). |
| 29 | PD0 | bidirectional | Port D bit 0 I/O with alternate functions PSCOUT0A (PSC module 0 output A) and PCINT16 (pin change interrupt 16). |
| 30 | PC0 | bidirectional | Port C bit 0 I/O with alternate functions PSCOUT1A (PSC module 1 output A), INT3 (external interrupt 3 input) and PCINT8 (pin change interrupt 8). |
| 31 | PE0 | bidirectional | Port E bit 0 I/O (or RESET input when the RSTDISBL fuse is unprogrammed, where a low level longer than the minimum pulse length generates a reset), with alternate functions OCD (on-chip debug I/O) and PCINT24 (pin change interrupt 24). |
| 32 | PD1 | bidirectional | Port D bit 1 I/O with alternate functions PSCIN0 (PSC digital input 0), CLKO (system clock output) and PCINT17 (pin change interrupt 17). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | TQFP-32(7x7) |
| Category | Embedded Processors & Controllers |
| 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 voltage | | 2.7 | | 5.5 | V | Operating voltage | 2 |
| Core speed grade | | 0 | | 8 | MHz | @ 2.7 - 4.5V | 2 |
| Core speed grade | | 0 | | 16 | MHz | @ 4.5 - 5.5V | 2 |
| Extended operating temperature | | -40 | | 85 | °C | | 2 |
| Current source tolerance (LIN node identification) | | -2 | | 2 | % | 100μA current source | 2 |
## CAD (KiCad official)
- Symbol: `ATMEGA64M1-AU`
- Footprint: `Package_QFP:TQFP-32_7x7mm_P0.8mm`
- 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files: `atmega64m1-au-etched.step` / `atmega64m1-au-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `atmega64m1-au.step` / `atmega64m1-au.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Microchip Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923097440903168) (18 pp, sha256 `e230b2bdd3e1a229`, retrieved 2026-10-20, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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](docs/atmega64m1-au-datasheet.pdf)