Documentation page for the reengineering of a CXT12 macroboard from CXT
[MCU]
ATmega32U4 https://www.microchip.com/en-us/product/ATmega32U4
https://www.arduino.cc/en/uploads/Hacking/32U4PinMapping.png
| Pin | Pin Name | Mapped Pin Name |
|---|---|---|
| 1 | PE6 | Encoder 1 (Row 3) |
| 2 | UVcc | |
| 3 | D- | |
| 4 | D+ | |
| 5 | UGnd | |
| 6 | UCap | |
| 7 | VUSB | |
| 8 | PB0 | |
| 9 | PB1 | |
| 10 | PB2 | Encoder 1 (Row 1) |
| 11 | PB3 | Encoder 2 (Row 1) |
| 12 | PB7 | |
| 13 | RESET | |
| 14 | Vcc | |
| 15 | GND | |
| 16 | XTAL2 | |
| 17 | XTAL1 | |
| 18 | PD0 | |
| 19 | PD1 | |
| 20 | PD2 | |
| 21 | PD3 | |
| 22 | PD5 | |
| 23 | GND1 | |
| 24 | AVCC | |
| 25 | PD4 | Column 0 |
| 26 | PD6 | Row 2 |
| 27 | PD7 | Column 1 |
| 28 | PB4 | Column 2 |
| 29 | PB5 | Column 3 |
| 30 | PB6 | |
| 31 | PC6 | Row 1 |
| 32 | PC7 | Row 0 |
| 33 | PE2 | |
| 34 | Vcc1 | |
| 35 | GND2 | |
| 36 | PF7 | WS2812 |
| 37 | PF6 | Encoder 2 (Row 2) |
| 38 | PF5 | Encoder 1 (Row 2) |
| 39 | PF4 | Row 3 |
| 40 | PF1 | |
| 41 | PF0 | Encoder 2 (Row 3) |
| 42 | AREF | |
| 43 | GND3 | |
| 44 | AVCC1 |
[LAYOUT]
