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AR1011-I/ML датащи(PDF) 46 Page - Microchip Technology |
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AR1011-I/ML датащи(HTML) 46 Page - Microchip Technology |
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46 / 61 page ![]() AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER DS40001393C-page 46 2009-2016 Microchip Technology Inc. 11.1 Minimum Operating Voltage The AR1000 series controller will operate down to 2.5V ± 5%. Touch performance will be optimized by using the highest allowable voltage for the design. The PICkit™ Serial included in the AR1000 Development kit supports 3V-5V range of operation. 11.2 AR1000 Electrical Characteristics Operating Voltage: 2.5 ≤ VDD ≤ 5.25V Function Pin Input Output M1 M1 VSS ≤ VIL ≤ 0.15*VDD (0.25*VDD + 0.9V) ≤ VIH ≤ VDD — M2 M2 VSS ≤ VIL ≤ 0.15*VDD (0.25*VDD + 0.9V) ≤ VIH ≤ VDD — SCL/SCK SCL/SCK/TX VSS ≤ VIL ≤ 0.2*VDD 0.8*VDD ≤ VIH ≤ VDD — TX SCL/SCK/TX — VSS ≤ VOL(1) ≤ (1.2V – 0.15*VDD)(2) (1.25*VDD – 2.25V)(3) ≤ VOH(1) ≤ VDD SDI SDI/SDA/RX VSS ≤ VIL ≤ 0.2*VDD 0.8*VDD ≤ VIH ≤ VDD — SDO SDO — VSS ≤ VOL(1) ≤ (1.2V – 0.15*VDD)(2) (1.25*VDD – 2.25V)(3) ≤ VOH(1) ≤ VDD SIQ SIQ — VSS ≤ VOL(1) ≤ (1.2V – 0.15*VDD)(2) (1.25*VDD – 2.25V)(3) ≤ VOH(1) ≤ VDD SDA SDI/SDA/RX VSS ≤ VIL ≤ 0.2*VDD 0.8*VDD ≤ VIH ≤ VDD Open-drain RX SDI/SDA/RX VSS ≤ VIL ≤ 0.2*VDD 0.8*VDD ≤ VIH ≤ VDD — SS SS VSS ≤ VIL ≤ 0.2*VDD 0.8*VDD ≤ VIH ≤ VDD — Note 1: These parameters are characterized but not tested. 2: At 10 mA. 3: At -4 mA. |
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