| 22 | |
| 23 | The pinout information for each button is listed below. The FPGA pins listed here correspond to WARP FPGA Board v1.2. |
| 24 | |
| 25 | '''Trackball - Pinout''' |
| 26 | || Signal || Header Pin || Slot 1 Pin || Slot 2 Pin || Slot 3 Pin || Slot 4 Pin || |
| 27 | || XSCN || 87 || V4 || AN7 || AF33 || M32 || |
| 28 | || OX || 88 || V9 || AE12 || AG39 || L36 || |
| 29 | || OXn || 89 || U10 || AL9 || AJ39 || N31 || |
| 30 | || YSCN || 95 || T3 || AL6 || AE34 || N30 || |
| 31 | || OY || 94 || U9 || AN6 || AJ37 || L37 || |
| 32 | || OYn || 92 || T11 || AG9 || AH36|| L35 || |
| 33 | || SEL1 || 93 || U4 || AK8 || AC30 || M33 || |
| 34 | || SEL2 || 90 || V6 || AM7 || AJ38 || L38 || |