KEYSCAN pin enable
| COLOUT0PEN | COLOUT0 pin enable control bit |
| COLOUT1PEN | COLOUT1 pin enable control bit |
| COLOUT2PEN | COLOUT2 pin enable control bit |
| COLOUT3PEN | COLOUT3 pin enable control bit |
| COLOUT4PEN | COLOUT4 pin enable control bit |
| COLOUT5PEN | COLOUT5 pin enable control bit |
| COLOUT6PEN | COLOUT6 pin enable control bit |
| COLOUT7PEN | COLOUT7 pin enable control bit |