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FT800Q-R 数据表(PDF) 34 Page - Bridgetek Pte Ltd. |
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FT800Q-R 数据表(HTML) 34 Page - Bridgetek Pte Ltd. |
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34 / 46 page ![]() Copyright © Bridgetek Pte Ltd 34 FT800 Embedded Video Engine Datasheet Version 1.4 Document No.: BRT_000039 Clearance No.: BRT#001 Parameter Description Minimum Typical Maximum Units Conditions Voh Output Voltage High VCCIO-0.4 - - V Ioh=4mA Vol Output Voltage Low - - 0.4 V Iol=4mA Vih Input High Voltage 0.7 X VCCIO - - V - Vil Input Low Voltage - - 0.3 X VCCIO V - Vth Schmitt Hysteresis Voltage 0.28 0.39 0.5 V - Iin Input leakage current -10 - 10 uA Vin = VCCIO or 0 Ioz Tristate output leakage current -10 - 10 uA Vin = VCCIO or 0 Table 6-4 Digital I/O Pin Characteristics (VCCIO = +2.5V, Standard Drive Level) Parameter Description Minimum Typical Maximum Units Conditions Voh Output Voltage High VCCIO-0.4 - - V Ioh=4mA Vol Output Voltage Low - - 0.4 V Iol=4mA Vih Input High Voltage 0.7 X VCCIO - - V - Vil Input Low Voltage - - 0.3 X VCCIO V - Vth Schmitt Hysteresis Voltage 0.25 0.35 0.5 V - Iin Input leakage current -10 - 10 uA Vin = VCCIO or 0 Ioz Tristate output leakage current -10 - 10 uA Vin = VCCIO or 0 Table 6-5 Digital I/O Pin Characteristics (VCCIO = +1.8V, Standard Drive Level) 6.3 Touch Sense Characteristics Parameter Description Minimum Typical Maximum Units Conditions Rsw-on X-,X+,Y- and Y+ Drive On resistance - 5 10 Ω Rsw-off X-,X+,Y- and Y+ Drive Off resistance 10M - - Ω Rpu Touch sense pull up resistance 72k 100k 128k Ω Vth+ Touch Detection rising-edge threshold level 1.53 1.7 1.87 V Vth- Touch Detection falling-edge threshold level 1.17 1.3 -1.47 V Vhys Touch Detection Hysteresis 0.36 0.39 0.4 V Rl X-axis and Y-axis drive load resistance 200 - - Ω Table 6-6 Touch Sense Characteristics (VCC=3.3V) Description Minimum Typical Maximum Units Conditions ADC Resolution - 10 - bits Integral Nonlinearity - +/-1 - LSB Differential Nonlinearity - +/-0.5 - LSB Offset Error - +/-2 - LSB Table 6-7 ADC Characteristics (VCC=3.3V) |
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