Documentation for my USBtiny board
2009-11-10


Main board:

- ATtiny 12 MHz with USBtiny 2.0 Software
- Socket for ATtiny2313
  clock input is marked
- header 10 pin
	1 MOSI
	2 5V Vcc
	3 no pin
	4,6,8,10 GND
	5 RST
	7 SCK
	9 MISO
-header 6-pin:
	1 MISO
	2 Vcc
	3 SCK
	4 MOSI
	5 RST
	6 GND
-Jumper
	red (normally set)
		Connect USB Vcc to USBtiny Vcc 
	yellow (normally set)
		Connect target device Vcc to USBtiny Vcc 
	black (normally open)
		Self-programming enabled
		connects pin 1 (!reset,dW,PA2) of the USBtiny to RST
		this allows self-programming of the USBtiny.
-LED 
	red	power-on and target device detected
		note: off after power-up. 
		on after first command from prommer application.
	green programming in progress
	

Extender board:

	Socket for ATMega8 28-pin and 40-pin