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MXT1664T3-ABESSQTP Datasheet(PDF) 47 Page - Microchip Technology |
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MXT1664T3-ABESSQTP Datasheet(HTML) 47 Page - Microchip Technology |
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47 / 98 page  MXT1664T3 2.0 2018 Microchip Technology Inc. DS40002054A-page 47 • Byte 0: The HID-I2C report ID (see Table 9-2 on page 40 for Touch reports). •Byte 1: Status is the status of the touch detection. This bit is set to 1 if touch is detected, and set to 0, if no touches are detected. •Byte 2: Touch ID identifies the touch for which this is a status report (starting from 0). • Bytes 3 to 10: X and Y positions identify the touch position. These are scaled to 12-bit resolution. This means that the upper four bits of the MSByte will always be zero. Bytes 5, 6, 9 and 10 are reserved when TCHGEOMEN field is set to 0. •Byte 11: Touch Width reports the width of the detected touch when TCHGEOMEN is set to 1. Reserved when TCHGEOMEN is set to 0 • Byte 13: Touch Height reports the height of the detected touch when TCHGEOMEN is set to 1. Reserved when TCHGEOMEN is set to 0 • Byte 15 to 16: Scan Time is the timestamp associated with the current report packet (10 kHz resolution). • Byte 17: Count is the number of active touches to be sent in one package, for the first touch only. Subsequent packets for subsequent active touches have a Count of 0. 11 Touch Width 12 Reserved 13 Touch Height 14 Reserved 15 Scan Time LSByte 16 Scan Time MSByte 17 Packet Count TABLE 9-4: TOUCH REPORT FORMAT WHEN TCHGEOMEN = 0 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0HID-I2C Touch Report ID 1 Reserved Status 2 Touch ID 3 Touch X Position LSByte (first touch) 4 Reserved Touch X Position MSBits (first touch) 5 Reserved 6 Reserved 7 Touch Y Position LSByte (first touch) 8 Reserved Touch Y Position MSBits (first touch) 9 Reserved 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Scan Time LSByte 16 Scan Time MSByte 17 Packet Count TABLE 9-3: TOUCH REPORT FORMAT WHEN TCHGEOMEN = 1 (CONTINUED) Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 |
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