SparkFun's Pro Micro board outline: 17.78 by 33.02 mm with 2 plated holes, traced from the Eagle board file SparkFun publish for product 12587, with the component bodies eagleUp rendered on it.
- Made by
SparkFun- SKU
- 12587
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-4.0
- Keywords
- board, micro, pcb, pro, sparkfun, microcontroller, atmega32u4, usb, development board
| Overall size (X × Y × Z) | 17.8 × 34.3 × 4.4 mm |
|---|---|
| PCB size | 17.8 × 33 mm |
| PCB thickness | 1.6 mm |
| Through-hole pads | 24 |
| Components | 23 |
| Function | microcontroller board |
| Form factor | board |
| Chip | ATmega32U4 |
| Clock speed | 8 MHz |
| Flash | 32 KB |
| RAM | 2.5 KB SRAM |
| GPIO pins | 18 |
| USB connector | Micro-B |
| Logic level | 3.3 V |
| Supply voltage | up to 12 V |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 3 | SMD Capacitor0603 | 1uF | C5, C6, C10 | X7R SMD MLCC series datasheet (KEMET) |
| × 2 | SMD Capacitor0603 | 0.1uF | C1, C3 | X7R SMD MLCC series datasheet (KEMET) |
| × 2 | SMD Capacitor0603 | 22pF | C2, C4 | X7R SMD MLCC series datasheet (KEMET) |
| × 2 | SMD Resistor0603 | 22 | R5, R7 | RC_L series datasheet (Yageo) |
| × 2 | SMD Resistor0603 | 330 | R4, R6 | RC_L series datasheet (Yageo) |
| × 2 | SMD Tantalum CapacitorA | 10uF | C13, C19 | T491 series datasheet (KEMET) |
| × 1 | QFN / DFNQFN-44 7x7 P0.5 | ATMEGA32U4 | U3 | ATmega32U4 datasheet (Microchip) |
| × 1 | SMD Crystal5032 4-pin | 16MHz | Y1 | |
| × 1 | SMD Fuse1206 | 500mA | F1 | |
| × 1 | SMD LED0603 · green | Green | D3 | |
| × 1 | SMD LED0603 · red | Red | LED1 | |
| × 1 | SMD LED0603 · yellow | Yellow | D1 | |
| × 1 | SMD Resistor0603 | 1K | R11 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 10K | R2 | RC_L series datasheet (Yageo) |
| × 1 | SOTSOT-23-5 | MIC5219 | U2 | MIC5219 datasheet (Microchip) |
| × 1 | USB ReceptacleMicro-B | X1 |
