PMDK is an easy-to-use, low cost micro-controller development system. The hardware consists of an ATmega16 MCU, LCD display and regulated DC supply. All the I/O pins of the MCU are available on sockets. Software development is done on a standard PC using the AVR-GCC cross compiler and the executable is uploaded to the MCU through Parallel, Serial or USB ports. PMDK comes with a C library to access the resources of ATmega16, without going into the register details. Program development can  be done from the Phoenix live CD that includes all the required tools.

Phoenix-MDK	Phoenix-MDK-USB	Phoenix-MDK-Serial
schematic    layout	schematic    layout	schematic    layout

    The simplest way to program all the three models are through the PC parallel port, The white six pin connector is connected to the PC parallel port using a cable with the following connections.

ATMEGA16	6 Pin Con	25 Pin D Con.	PC Parallel Port
Reset(9)	6	16	Init
SCK(8)	5	1	Data0
MISO(7)	4	11	Busy
MOSI(6)	3	2	Strobe
Ground(11)	1,2	18	Ground

The serial and USB versions can be easily interfaced to a PC. They can also be programmed through the serial/USB ports after uploading a bootloader program to ATmega16. A jumper option allows the USB version to use the 5V supply from USB. The LCD display is useful for program development. Library routines are available to output data to the LCD display. Here is a photograph of LCD display , connected to the USB version and drawing 5V DC supply from USB.  The PMDK board can be interfaced to a PC using RS232 or USB ports (USB communication is handled by a USB to Serial converter implemented using ATmega8, by Igor Cesko)

Plug-in modules

SD/MMC Card Interface