component
AT90CAN128-16AU
Public Made by Adomby adom
Microchip Tech ATMEL & AVR, LQFP-64(14x14). 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
markdownAT90CAN128-16AU
Microchip Tech · ATMEL & AVR · LQFP-64(14x14)
AT90CAN128-16AU from Microchip Tech, in a LQFP-64(14x14). 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 | NC | unconnected | Do not connect (may be used in future devices). |
| 2 | PE0 | bidirectional | Port E bit 0, 8-bit bidirectional I/O with selectable pull-up; alternate functions USART0 RXD0 and programming data input PDI. |
| 3 | PE1 | bidirectional | Port E bit 1, bidirectional I/O with selectable pull-up; alternate functions USART0 TXD0 and programming data output PDO. |
| 4 | PE2 | bidirectional | Port E bit 2, bidirectional I/O with selectable pull-up; alternate functions USART0 XCK0 and analog comparator input AIN0. |
| 5 | PE3 | bidirectional | Port E bit 3, bidirectional I/O with selectable pull-up; alternate functions Timer3 OC3A and analog comparator input AIN1. |
| 6 | PE4 | bidirectional | Port E bit 4, bidirectional I/O with selectable pull-up; alternate functions Timer3 OC3B and external interrupt INT4. |
| 7 | PE5 | bidirectional | Port E bit 5, bidirectional I/O with selectable pull-up; alternate functions Timer3 OC3C and external interrupt INT5. |
| 8 | PE6 | bidirectional | Port E bit 6, bidirectional I/O with selectable pull-up; alternate functions Timer3 clock input T3 and external interrupt INT6. |
| 9 | PE7 | bidirectional | Port E bit 7, bidirectional I/O with selectable pull-up; alternate functions Timer3 input capture ICP3 and external interrupt INT7. |
| 10 | PB0 | bidirectional | Port B bit 0, 8-bit bidirectional I/O with selectable pull-up; alternate function SPI slave select SS. |
| 11 | PB1 | bidirectional | Port B bit 1, bidirectional I/O with selectable pull-up; alternate function SPI clock SCK. |
| 12 | PB2 | bidirectional | Port B bit 2, bidirectional I/O with selectable pull-up; alternate function SPI MOSI. |
| 13 | PB3 | bidirectional | Port B bit 3, bidirectional I/O with selectable pull-up; alternate function SPI MISO. |
| 14 | PB4 | bidirectional | Port B bit 4, bidirectional I/O with selectable pull-up; alternate function Timer2 output compare OC2A. |
| 15 | PB5 | bidirectional | Port B bit 5, bidirectional I/O with selectable pull-up; alternate function Timer1 output compare OC1A. |
| 16 | PB6 | bidirectional | Port B bit 6, bidirectional I/O with selectable pull-up; alternate function Timer1 output compare OC1B. |
| 17 | PB7 | bidirectional | Port B bit 7, bidirectional I/O with selectable pull-up; alternate functions Timer0 OC0A and Timer1 OC1C. |
| 18 | PG3 | bidirectional | Port G bit 3, 5-bit I/O port with selectable pull-up; alternate function Timer2 oscillator pin TOSC2. |
| 19 | PG4 | bidirectional | Port G bit 4, 5-bit I/O port with selectable pull-up; alternate function Timer2 oscillator pin TOSC1. |
| 20 | RESET | input | Reset input; a low level longer than the minimum pulse length generates a reset. |
| 21 | VCC | power_in | Digital supply voltage. |
| 22 | GND | power_in | Ground. |
| 23 | XTAL2 | output | Output from the inverting oscillator amplifier. |
| 24 | XTAL1 | input | Input to the inverting oscillator amplifier and input to the internal clock operating circuit. |
| 25 | PD0 | bidirectional | Port D bit 0, 8-bit bidirectional I/O with selectable pull-up; alternate functions two-wire clock SCL and external interrupt INT0. |
| 26 | PD1 | bidirectional | Port D bit 1, bidirectional I/O with selectable pull-up; alternate functions two-wire data SDA and external interrupt INT1. |
| 27 | PD2 | bidirectional | Port D bit 2, bidirectional I/O with selectable pull-up; alternate functions USART1 RXD1 and external interrupt INT2. |
| 28 | PD3 | bidirectional | Port D bit 3, bidirectional I/O with selectable pull-up; alternate functions USART1 TXD1 and external interrupt INT3. |
| 29 | PD4 | bidirectional | Port D bit 4, bidirectional I/O with selectable pull-up; alternate function Timer1 input capture ICP1. |
| 30 | PD5 | bidirectional | Port D bit 5, bidirectional I/O with selectable pull-up; alternate functions CAN transmit TXCAN and USART1 clock XCK1. |
| 31 | PD6 | bidirectional | Port D bit 6, bidirectional I/O with selectable pull-up; alternate functions CAN receive RXCAN and Timer1 clock input T1. |
| 32 | PD7 | bidirectional | Port D bit 7, bidirectional I/O with selectable pull-up; alternate function Timer0 clock input T0. |
| 33 | PG0 (WR) | bidirectional | Port G bit 0, 5-bit I/O port with selectable pull-up; alternate function external memory write strobe WR. |
| 34 | PG1 (RD) | bidirectional | Port G bit 1, 5-bit I/O port with selectable pull-up; alternate function external memory read strobe RD. |
| 35 | PC0 (A8) | bidirectional | Port C bit 0, 8-bit bidirectional I/O with selectable pull-up; alternate function external memory address A8. |
| 36 | PC1 (A9) | bidirectional | Port C bit 1, bidirectional I/O with selectable pull-up; alternate function external memory address A9. |
| 37 | PC2 (A10) | bidirectional | Port C bit 2, bidirectional I/O with selectable pull-up; alternate function external memory address A10. |
| 38 | PC3 (A11) | bidirectional | Port C bit 3, bidirectional I/O with selectable pull-up; alternate function external memory address A11. |
| 39 | PC4 (A12) | bidirectional | Port C bit 4, bidirectional I/O with selectable pull-up; alternate function external memory address A12. |
| 40 | PC5 (A13) | bidirectional | Port C bit 5, bidirectional I/O with selectable pull-up; alternate function external memory address A13. |
| 41 | PC6 (A14) | bidirectional | Port C bit 6, bidirectional I/O with selectable pull-up; alternate function external memory address A14. |
| 42 | PC7 | bidirectional | Port C bit 7, bidirectional I/O with selectable pull-up; alternate functions external memory address A15 and clock output CLKO. |
| 43 | PG2 (ALE) | bidirectional | Port G bit 2, 5-bit I/O port with selectable pull-up; alternate function external memory address latch enable ALE. |
| 44 | PA7 (AD7) | bidirectional | Port A bit 7, 8-bit bidirectional I/O with selectable pull-up; alternate function external memory address/data AD7. |
| 45 | PA6 (AD6) | bidirectional | Port A bit 6, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD6. |
| 46 | PA5 (AD5) | bidirectional | Port A bit 5, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD5. |
| 47 | PA4 (AD4) | bidirectional | Port A bit 4, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD4. |
| 48 | PA3 (AD3) | bidirectional | Port A bit 3, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD3. |
| 49 | PA2 (AD2) | bidirectional | Port A bit 2, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD2. |
| 50 | PA1 (AD1) | bidirectional | Port A bit 1, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD1. |
| 51 | PA0 (AD0) | bidirectional | Port A bit 0, bidirectional I/O with selectable pull-up; alternate function external memory address/data AD0. |
| 52 | VCC | power_in | Digital supply voltage. |
| 53 | GND | power_in | Ground. |
| 54 | PF7 | bidirectional | Port F bit 7, ADC input channel 7 or I/O; JTAG TDI with pull-up active when JTAG is enabled, even during reset. |
| 55 | PF6 | bidirectional | Port F bit 6, ADC input channel 6 or I/O; JTAG data output TDO. |
| 56 | PF5 | bidirectional | Port F bit 5, ADC input channel 5 or I/O; JTAG TMS with pull-up active when JTAG is enabled, even during reset. |
| 57 | PF4 | bidirectional | Port F bit 4, ADC input channel 4 or I/O; JTAG TCK with pull-up active when JTAG is enabled, even during reset. |
| 58 | PF3 (ADC3) | bidirectional | Port F bit 3, analog input channel 3 of the A/D Converter, or I/O if the ADC is not used. |
| 59 | PF2 (ADC2) | bidirectional | Port F bit 2, analog input channel 2 of the A/D Converter, or I/O if the ADC is not used. |
| 60 | PF1 (ADC1) | bidirectional | Port F bit 1, analog input channel 1 of the A/D Converter, or I/O if the ADC is not used. |
| 61 | PF0 (ADC0) | bidirectional | Port F bit 0, analog input channel 0 of the A/D Converter, or I/O if the ADC is not used. |
| 62 | AREF | input | Analog reference pin for the A/D Converter. |
| 63 | GND | power_in | Ground. |
| 64 | AVCC | power_in | Supply voltage pin for the A/D Converter on Port F; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | LQFP-64(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power supply voltage | 2.7 | 5.5 | V | Operating Voltages | 1 | ||
| Operating temperature (Industrial) | -40 | 85 | °C | Industrial | 1 | ||
| Maximum frequency at 2.7V | 8 | MHz | 2.7V | 1 | |||
| Maximum frequency at 4.5V | 16 | MHz | 4.5V | 1 | |||
| Speed grade | 16 | MHz | AT90CAN128-16AU ordering code | 13 | |||
| Flash endurance | 10000 | cycles | Write/Erase Cycles | 1 | |||
| EEPROM endurance | 100000 | cycles | Write/Erase Cycles | 1 | |||
| CAN maximum transfer rate | 1 | Mbits/s | at 8 MHz | 1 |
CAD (KiCad official)
- Symbol:
AT90CAN128-16AU - Footprint:
Package_QFP:LQFP-64_14x14mm_P0.8mm - 3D model: LQFP-64(14x14) (KiCad packages3D, STEP)
- 3D model files:
at90can128-16au-etched.step/at90can128-16au-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);at90can128-16au.step/at90can128-16au.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (17 pp, sha256
f8e6df8f0e82d83d, retrieved 2026-10-22, tier: manufacturer) - 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).