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FT933Q-R Datasheet(PDF) 21 Page - Bridgetek Pte Ltd. |
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FT933Q-R Datasheet(HTML) 21 Page - Bridgetek Pte Ltd. |
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21 / 65 page ![]() Copyright © Bridgetek Pte Ltd 21 FT93x Datasheet Embedded Microcontroller Datasheet Version 1.5 Document Reference No.: BRT_000051 Clearance No.: BRT#049 Pin No. Name Type Description SD card data bus line 3 input/output. 33 PWM4/SD_WP/GPIO7 I/O GPIO7 input/output. (By default is GPIO input, internal pull-low) PWM channel 4, output. SD card write protection input. 34 VCC1V2 P +1.2V core voltage. This is internal regulator output and core voltage input. Connect 4.7uF and 0.1uF decoupling capacitors to GND. 35 VCCIO3V3 P +3.3V supply voltage. This is the supply voltage for all the I/O ports. Connect a 0.1uF decoupling capacitor. 36 XI/CLKIN AI 12MHz clock frequency. Input to the Oscillator circuit. 37 XIO AI/O Output from the Oscillator amplifier. Input to the internal clock generator circuit. 38 VCC1V2 P +1.2V core voltage. This is internal regulator output and core voltage input. Connect 4.7uF and 0.1uF decoupling capacitors to GND. 39 VUSB3V3 P +3.3V supply voltage. This is the supply voltage for USB Device I/O ports. Connect 10uF and 0.1uF decoupling capacitors. This pin can be connected to all +3.3V power supply pins without the 10uF capacitor. 40 D_DM AI/O USB Device bidirectional DM line. 41 D_DP AI/O USB Device bidirectional DP line. 42 DRREF AI USB Device reference voltage input. Connect 12k ohm +/- 1% resistor to GND. 43 ADC3 AI 8-bit A/D converter 3, input. 44 ADC2 AI 8-bit A/D converter 2, input. 45 ADC1 AI 8-bit A/D converter 1, input. 46 ADC_REFP P ADC positive reference voltage. 47 VCC3V3A P +3.3V supply voltage. This is the supply voltage for Analog I/O ports. Connect 10uF and 0.1uF decoupling capacitors. This pin can be connected to all VCC3V3 pins without the 10uF capacitor. |
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