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FT811Q-R Datasheet(PDF) 49 Page - Bridgetek Pte Ltd. |
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FT811Q-R Datasheet(HTML) 49 Page - Bridgetek Pte Ltd. |
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49 / 63 page ![]() Copyright © Bridgetek Pte Ltd 49 FT81X Embedded Video Engine Datasheet Version 1.4 Document No.: BRT_000002 Clearance No.: BRT#004 Ioz Tri-state output leakage current -10 - 10 uA Vin = VCCIO or 0 Rpu Pull-up resistor - 57 - kΩ Rpd Pull-down resistor - 59 - kΩ Table 6-5 Digital I/O Pin Characteristics (VCCIO = +2.5V) Parameter Description Minimum Typical Maximum Units Conditions Voh Output Voltage High VCCIO- 0.4 - - V Ioh=5mA Vol Output Voltage Low - - 0.4 V Iol=5mA Vih Input High Voltage 1.2 - - V - Vil Input Low Voltage - - 0.6 V - Vth Schmitt Hysteresis Voltage 0.17 - 0.3 V - Iin Input leakage current -10 - 10 uA Vin = VCCIO or 0 Ioz Tri-state output leakage current -10 - 10 uA Vin = VCCIO or 0 Rpu Pull-up resistor - 90 - kΩ Rpd Pull-down resistor - 97 - kΩ Table 6-6 Digital I/O Pin Characteristics (VCCIO = +1.8V) Parameter Description Minimum Typical Maximum Units Conditions Rsw-on X-,X+,Y- and Y+ Drive On resistance - 6 10 Ω VCCIO=3.3V - 9 16 Ω VCCIO=1.8V Rsw-off X-,X+,Y- and Y+ Drive Off resistance 10 - - MΩ Rpu Touch sense pull up resistance 78 100 125 kΩ Vth+ Touch Detection rising-edge threshold on XP pin 1.59 - 2.04 V VCCIO=3.3V 0.58 - 0.68 V VCCIO=1.8V Vth- Touch Detection falling-edge threshold on XP pin 1.23 - 1.55 V VCCIO=3.3V 0.51 - 0.56 V VCCIO=1.8V Rl X-axis and Y-axis drive load resistance 200 - - Ω Table 6-7 Touch Sense Characteristics |
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