Pololu P-Star 45K50 Mini SV

The Pololu P-Star 45K50 Mini SV is a general-purpose programmable module based on Microchip's PIC18F45K50 microcontroller, featuring 32 KB of flash program memory, 2 KB of RAM and integrated USB functionality. The built-in features of the P-Star (abbreviated P *) include a 16 MHz crystal, a USB Micro-B connector and three user-controllable indicator LEDs. A switching step-down voltage regulator and a power selection circuit allow the board to be powered either from USB or from an external 5 V to 36 V source, while a current limit on the USB VBUS supply and reverse-voltage protection on VIN protect them from accidental damage. The board ships with a USB bootloader that simplifies programming the PIC microcontroller without using an external programmer.

Features:

• Dimensions: 5 cm × 1.8 cm (5.2 cm × 1.8 cm including USB Micro-B connector)
• Programmable Microchip PIC18F45K50 microcontroller
• 32 KB flash (8 KB used by the bootloader, 24 KB available for the user program by default)
• 2 KB SRAM
• 256 bytes EEPROM
• Native full-speed ??USB (12 Mbit / s)
• Internally clocked at 48 MHz, resulting in execution speeds of up to 12 million instructions per second (MIPS)
• Precision 16 MHz crystal
• 28 user I/O pins on the two long sides of the board
• 2 additional I/O pins available
• 25 pins can be configured as analog inputs
• 2 PWM output signals (one of which can be sent to four different pins)
• 5-bit digital-to-analog converter (DAC) output
• Three user-controllable LEDs
• Reset button
• USB Micro-B connector
• Can be regulated to 5 V on-board voltage via USB or external source
• Operating voltage: 5 V to 36 V
• 5 V logic voltage
• Auxiliary 3.3 V linear regulator
• Reverse-voltage protection on the external power input
• Ships with Pololu's proprietary USB bootloader for the P-Star
• The bootloader can be used on Windows, Linux and Mac OS X with open-source software
• No external programmer required
• Compatible with standard Microchip compilers, development tools and programmers