MXT1664T3-ABESSQTP datasheet(90/98 Pages) MICROCHIP

90 / 98 page

MXT1664T3 2.0

DS40002054A-page 90

 2018 Microchip Technology Inc.

• Section 4.0 “Sensor Layout”:

- Section 4.1 “Screen Size” added

• Circuit Components section combined with Section 11.0 “PCB Design Considerations”

• Section 5.0 “Power-up / Reset Requirements”:

- Updated with minor rewording. Clarification on connection of XVdd to Vdd added. Checksum information

moved to Section 12.1.2 “Power-up Sequence”

- Section 5.3 “Power-up and Initialization”: Section added

- Section 5.4 “Summary” moved to end

• Section 6.0 “Detailed Operation”:

- Section 6.4 “Sensor Acquisition” updated

- GPIO Pins section removed and contents moved to Section 2.5.8 “GPIO Pins”

• Section 7.0 “Host Communications”

- Text updated and reformatted

• Section 8.0 “I2C Communications”:

- Section 8.8 “Clock Stretching” corrected

- All footnotes incorporated into main text

• Section 11.0 “PCB Design Considerations”:

- Section 11.4 “Voltage Regulators”: updated to include additional recommended LDOs

-I2C Line Pull-up Resistor section removed; information included elsewhere

• Section 12.0 “Getting Started with mXT1664T3”:

- Section 12.1.2 “Power-up Sequence”: Information and advice corrected. Checksum information moved from

Section 5.0 “Power-up / Reset Requirements”

• Section 14.0 “Specifications”:

- Section 14.2 “Recommended Operating Conditions”: Cx removed; information now in Section 14.8

“Touchscreen Sensor Characteristics”

- Section 14.2.1 “DC Characteristics”: Tables in sub-sections updated to show rise/fall rates correctly with

explanatory notes

- Section 14.2.2 “Power Supply Ripple and Noise” moved and now quotes single AVdd value

- Section 14.4 “Current Consumption – I2C Interface”: Note added to say characterization charts show typical

values

- Section 14.5 “Current Consumption – USB Interface”: Note added to say characterization charts show typical

values

- Section 14.7.3 “Reset Timings”: Hardware reset figure updated

- Section 14.8 “Touchscreen Sensor Characteristics” added

- Section 14.9 “Input/Output Characteristics”: All I/O pins are listed in the table

- Section 14.10 “I2C Specification”: Specific resistor values removed

• Appendix A “Associated Documents”:

- Referenced documents updated

• maXCharger T72 object renamed to Noise Suppression T72

• Self Capacitance maXCharger T108 object renamed to Self Capacitance Noise Suppression T108

• References to restricted documents removed throughout

• References to Atmel Corporation removed or changed to Microchip Technology Inc, where appropriate

• New documentation number assigned

MXT1664T3-ABESSQTP Datasheet(PDF) 90 Page - Microchip Technology

MXT1664T3-ABESSQTP Datasheet(HTML) 90 Page - Microchip Technology

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