- Strobe(output high): PTB0 PTB1 PTB2 PTB3 PTB16 PTB17 PTC4 PTC5 PTD0
- Sense(input with pull-down): PTD1 PTD2 PTD3 PTD4 PTD5 PTD6 PTD7
+ For v1.0 (without LED support)
+ strobe(output high): ptb0 ptb1 ptb2 ptb3 ptb16 ptb17 ptc4 ptc5 ptd0
+ sense(input with pull-down): ptd1 ptd2 ptd3 ptd4 ptd5 ptd6 ptd7
+ For v1.1a (with LED support)
+ strobe(output high): ptc0 ptc1 ptc2 ptc3 ptc4 ptc5 ptc6 ptc7 ptd0
+ sense(input with pull-down): ptd1 ptd2 ptd3 ptd4 ptd5 ptd6 ptd7