The Attiny84 microcontroller is connected as shown below.
Attiny84 | Function |
---|---|
PA0 | CT1 |
PA1 | Uart Tx |
PA2 | Uart Rx |
PA3 | CT2 |
PA4 | SPI SCK |
PA5 | SPI MISO |
PA6 | SPI MOSI |
PA7 | CT3 |
PB0 | not used |
PB1 | Temperature |
PB2 | not used |
PB3 | Reset |
The ISP port pin out is