Skip to the content
PCBKitNew board
AT90USB1287-MU on a board, in 3D

AT90USB1287-MU

Microchip Technology

QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/AT90USB1287-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-64
Pins
65

Overview

The AT90USB1287-MU is a microcontroller made by Microchip Technology in a QFN-64 package with 65 pins. QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_AVR:AT90USB1287-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.5x7.5mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1337341). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

PE61PE72UVCC3D-4D+5UGND6UCAP7VBUS8PE39PB010PB111PB212PB313PB414PB515PB616PB717PE418PE519RESET20VCC21GND22XTAL223XTAL124PD025PD126PD227PD328PD429PD530PD631PD732PE033PE134PC035PC136PC237PC338PC439PC540PC641PC742PE2/HWB43PA744PA645PA546PA447PA348PA249PA150PA051PF754PF655PF556PF457PF358PF259PF160PF061AREF62AVCC64
MCU_Microchip_AVR:AT90USB1287-MFrom KiCad's library

Footprint

65
Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.5x7.5mmFrom KiCad's library

Parameters

15
ADC (Bit)
10bit
CPU Core
AVR
CPU Maximum Speed
16MHz
Core Size
8 Bit
EEPROM
4KB
Features
Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, External pin reset (NRST), Built-in general-purpose timer
Internal Oscillator
有
Number of I/O
48
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Peripheral/Function
WDT；PWM
Program Memory Type
FLASH
Program Storage Size
128KB
RAM Size
8KB
Voltage - Supply
2.7V~5.5V

Order codes

2

Pinout

65
The pins of the AT90USB1287-MU
PinNameType
1PE6Input/output
2PE7Input/output
3UVCCPower in
4D-Input/output
5D+Input/output
6UGNDPower in
7UCAPPassive
8VBUSInput
9PE3Input/output
10PB0Input/output
11PB1Input/output
12PB2Input/output
13PB3Input/output
14PB4Input/output
15PB5Input/output
16PB6Input/output
17PB7Input/output
18PE4Input/output
19PE5Input/output
20RESETInput
21VCCPower in
22GNDPower in
23XTAL2Output
24XTAL1Input
25PD0Input/output
26PD1Input/output
27PD2Input/output
28PD3Input/output
29PD4Input/output
30PD5Input/output
31PD6Input/output
32PD7Input/output
33PE0Input/output
34PE1Input/output
35PC0Input/output
36PC1Input/output
37PC2Input/output
38PC3Input/output
39PC4Input/output
40PC5Input/output
41PC6Input/output
42PC7Input/output
43PE2/HWBInput/output
44PA7Input/output
45PA6Input/output
46PA5Input/output
47PA4Input/output
48PA3Input/output
49PA2Input/output
50PA1Input/output
51PA0Input/output
52VCCPassive
53GNDPassive
54PF7Input/output
55PF6Input/output
56PF5Input/output
57PF4Input/output
58PF3Input/output
59PF2Input/output
60PF1Input/output
61PF0Input/output
62AREFPassive
63GNDPassive
64AVCCPower in
65GNDPassive

Open-source boards using it

All 2
  • 2 layers66 × 17.8 mmAt90usb1287-board, the printed circuit board in 3D

    At90usb1287-board

    chenzhuoyu/at90usb1287-board

    AT90USB1286/1287 breakout board

    18 partsApache-2.0
  • 2 layers163.8 × 116.8 mmKeyboard, the printed circuit board in 3D

    Keyboard

    kewljedi/keyboard

    These are the designs for the macro keyboard i want to use.

    174 parts

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/microchip/AT90USB1287-MU" title="AT90USB1287-MU in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/microchip/AT90USB1287-MU.jpg" alt="AT90USB1287-MU" width="1200" height="900">
A picture that opens the part, for a README
[![AT90USB1287-MU](https://pcbkit.io/embed/parts/microchip/AT90USB1287-MU.jpg?size=s)](https://pcbkit.io/parts/microchip/AT90USB1287-MU)

Questions

Is there a KiCad symbol and footprint for the AT90USB1287-MU?

Yes. The symbol is MCU_Microchip_AVR:AT90USB1287-M and the footprint Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.5x7.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AT90USB1287-MU?

QFN-64, with 65 pins. Its footprint is drawn on this page.

Where is the AT90USB1287-MU datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the AT90USB1287-MU?

JLCPCB lists it as part C1337341, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AT90USB1287-MU?

Parts like it in the library: the AT90CAN128-16MU by Microchip Technology, the AT90USB1286-MU by Microchip Technology, the AT90USB646-MU by Microchip Technology and the AT90USB647-MU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the AT90USB1287-MU?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8