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CFA633-RDI-KS датащи(PDF) 23 Page - Crystalfontz America, Inc. |
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CFA633-RDI-KS датащи(HTML) 23 Page - Crystalfontz America, Inc. |
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23 / 88 page ![]() Crystalfontz America, Inc. Data Sheet Release Date 2012/02/21 www.crystalfontz.com CFA633-RDI-KS LCD Module (Hardware v2.0 / Firmware s2v1) February 2012 Page 23 ABSOLUTE MAXIMUM RATINGS BACKLIGHT AND FAN1 CRITERIA SPECIFICATION Backlight PWM2 Frequency 320 Hz nominal Fan Tachometer Speed Range (assuming two PPR3) 600 RPM to 3,000,000 RPM Fan Power Control PWM2 Frequency 18 Hz nominal 1Fans are an optional accessory. 2PWM is Pulse Width Modulation. PWM is a way to simulate intermediate levels by switch- ing a level between full on and full off. PWM can be used to control the brightness of LED backlights, relying on the natural averaging done by the human eye, as well as for control- ling fan power. 3PPR is Pulses Per Revolution, also written as p/r. ABSOLUTE MAXIMUM RATINGS Operating Temperature TOP -20°C +70°C Storage Temperature TST -30°C +80°C Humidity Range (Noncondensing) RH 10% 90% Supply Voltage for Logic VDD 0v +5.5v Notes: These are stress ratings only. Extended exposure to the absolute maxi- mum ratings listed above may affect device reliability or cause permanent damage. Functional operation of the module at these conditions beyond those listed under DC Characteristics is not implied. |
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