SparkFun Dev-12640 Data sheet

Name

Power

GND

ADC

PWM

Serial

Pro Micro (Dev-12640)

16MHz/5V

Control

Arduino

Port

The Arduino IDE renders all PWM pins as 8-bit

Ext Interrupt

PC Interrupt

Misc

____

____

J1

Connects VCC to USB

(bypasses regulator)

TXOD1PD3TX1INT3
RXID0PD2RX1INT2
GNDGND
GNDGND
2D2PD1SDAINT1
3D3PD08-bitSCLINT0OC0B
4D4/A6PD4ADC8ICP1
5D5PC610-bit (HS)OC3AOCA4
6D6/A7PD7ADC1010-bit (HS)OC4DTO
7D7PE6INT6AIN0
8D8/A8PB4ADC11PCINT4
9D9/A9PB5ADC1216-bitPCINT5OC1AOC4B

MicroB

RAW RAW
GND GND
RST Reset
VCC VCC
A3 A3 PF4 ADC4 TCK
A2 A2 PF5 ADC5 TMS
A1 A1 PF6 ADC6 TDO
A0 A0 PF7 ADC7 TDI
15 D15 PB1 SCK PCINT1
14 D14 PB3 MISO PCINT3 PD0
16 D16 PB2 MOSI PCINT2 PDI
10 D10/A10 PB6 ADC13 16-bit PCINT6 OC1B OC4B

Doubletap the reset 'button' to stay
in bootloader mode for 8 seconds

Power

RAW: 6V-16V

VCC: 5V at 500mA

USB

HID enabled

VID: 0x1B4F

PID: 0x9205 (bootloader); 0x9206 (sketch)

ATmega32U4

Built in USB 2.0
Absolute maxiumum VCC: 6V
Maximum current for chip: 200mA
Maximum current per pin: 40mA
Recommended current per pin:20mA
8-bit Atmel AVR
Flash Program Memory: 32kB
EEPROM: 1kB
Internal SRAM 2.5kB
ADC:10-bit
PWM:8bit
High Speed PWM with programmable
resolution from 2-11 bits

TX_LED D24RX_LEDD17PB0SS

LEDs

Power: Red

RX: Yellow

TX: Green

Serial

Use Serial for the USB connection

Use Serial1 for the hardware serial connection

PD5