TSC TTP-245

TTP-245 / TTP-343
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2.13. Sensor Circuit
2.13.1. Gap and Black Mark Sensor
Fig. 2.13.1 Gap / Black Mark Sensor Circuit Diagram
1. The gap sensor is a penetrable sensor with 64 levels.
2. Black mark sensor is a reflecting sensor with 64 levels.
3. The gap sensor activates when gap and black mark SW signal is high. The
black mark sensor activates when GAP& BM_SW signal is low.