General Description The purpose of this specification is to define the general provisions and quality requirements that apply to the supply of capacitive-type multi-touch function of the Touchpad Sensor Module. This document, together with the Module Assembly Drawing, is the highest-level specification for this product. It describes the product, identifies the supporting documents and the specifications. Features Item | Description | Unit | Touchpad Module Size | 3.0 | Inch | Outer Dimension (without Cover) | 42.84 x 72 | mm | Sensing Area | 39.24 x 65.40 | mm | Touchpad Module trace number ( Tx * Ty) | 4 x 6 | − | X resolution | 384 | − | Y resolution | 640 | − | Input Type | Multi-finger | − | Aspect Ratio | 4 : 6 | − | | | |