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C11 数据表(PDF) 48 Page - ams-OSRAM AG |
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C11 数据表(HTML) 48 Page - ams-OSRAM AG |
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48 / 72 page ![]() AS3688 austriami crosyst ems Datasheet, Confidential www.austriamicrosystems.com (ptr,tje) Revision 1.1.1 / 20060707 46 - 70 Subtract Enable Addr: 35h Enable the inversion from the signal from the pwm generator Bit Bit Name Default Access Description 0 sub_en1 0 R/W Inverts the signal from the pwm generator 0 = Direct Operation (no inversion) 1 = The signal from the pwm generator for which the adder is enabled (curr1_adder = 1, curr41_adder = 1, rgb1_adder = 1) is inverted 1 sub_en2 0 R/W Inverts the signal from the pwm generator 0 = Direct Operation (no inversion) 1 = The signal from the pwm generator for which the adder is enabled (curr2_adder = 1, curr42_adder = 1, rgb2_adder = 1) is inverted 2 sub_en3 0 R/W Inverts the signal from the pwm generator 0 = Direct Operation (no inversion) 1 = The signal from the pwm generator for which the adder is enabled (curr42_adder = 1, rgb3_adder = 1) is inverted 7.5 General Purpose Input / Outputs GPIO0 :GPIO2, GPI are four highly-configurable general purpose input/output pins which can be used for the following functionality (each GPIO pin is independent from the other GPIO pins): Digital Schmitt-Trigger Input Digital Output with 4mA Driving Capability at 2.8V Supply (VDD_GPIO) Tristate Output Analog Input to the ADC (GPIO0, GPIO1, GPIO2, GPI) Strobe for Camera Flash Current Sink (GPI) Preview Current set input for Camera Flash Current Sink (GPIO2) PWM operation with all current sinks (GPIO0); number of current sources using this PWM input is fully configurable Flash led overtemperature protection (GPIO2) Default Mode for GPI is Input Default Mode for GPIO0, GPIO1 and GPIO2 is Input (Pull-Down) GPIO4 not applicable in the AS3688 Table 17 – GPIO Pin Function Summary GPIO Pin Pin # Configuration Additional Function GPIO0 TBD ADC Input; PWM Input GPIO1 TBD ADC Input; TXMask input GPIO2 TBD Digital Input, Totem-Pole Output (Push/Pull), Open Drain (PMOS or NMOS), High-Z, Pull-Down or Pull-Up Resistor ADC Input; Preview Input for Photocamera Flash LED (CURR3x); PWM Input GPI TBD Digital Input ADC Input; Strobe Input for Photocamera Flash LED (CURR3x) |
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