// ATMEL ATTINY85
//
// +-\/-+
// (PCINT5/RESET/ADC0/dW) RST - 5/A0 - PB5 1| |8 VCC
// (PCINT3/XTAL1/CLKI/OC1B/ADC3) 3/A3 - PB3 2| |7 PB2 - 2/A1 (SCK/USCK/SCL/ADC1/T0/INT0/PCINT2)
// (PCINT4/XTAL2/CLKO/OC1B/ADC2) 4/A2 - PB4 3| |6 PB1 - 1 - PWN (MISO/DO/AIN1/OC0B/OC1A/PCINT1)
// GND 4| |5 PB0 - 0 - PWM (MOSI/DI/SDA/AIN0/OC0A/OC1A/AREF/PCINT0)
// +----+