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DLPC3435 Datasheet(PDF) 10 Page - Texas Instruments |
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DLPC3435 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 59 page  10 DLPC3430, DLPC3435 DLPS038B – JULY 2014 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: DLPC3430 DLPC3435 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated Pin Functions – GPIO Peripheral Interface(1) (continued) PIN I/O DESCRIPTION(2) NAME NUMBER GPIO_07 F15 B1 General purpose I/O 07 (hysteresis buffer). Options: 1. (All) LED_ENABLE (active high input). This signal can be used as an optional shutdown interlock for the LED driver. Specifically, when so configured, setting LED_ENABLE = 0 (disabled), will cause LDEDRV_ON to be forced to 0 and LED_SEL(2:0) to be forced to b000. Otherwise when LED_ENABLE = 1 (enabled), the ASIC is free to control the LED SEL signals as it desires. There is however a 100-ms delay after LED_ENABLE transitions from low-to-high before the interlock is released. 2. (Output): LABB output sample and hold sensor control signal. 3. (All) GPIO (bidirectional): Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_06 F14 B1 General purpose I/O 06 (hysteresis buffer). Option: 1. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used. An external pulldown resistor is required to deactivate this signal during reset and auto-initialization processes. GPIO_05 E15 B1 General purpose I/O 05 (hysteresis buffer). Options: 1. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_04 E14 B1 General purpose I/O 04 (hysteresis buffer). Options: 1. 3D glasses control (output): intended to be used to control the shutters on 3D glasses (Left = 1, Right = 0). 2. SPI1_CSZ1 (active-low output): optional SPI1 chip select 1 signal. An external pullup resistor is required to deactivate this signal during reset and auto-initialization processes. 3. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_03 D15 B1 General purpose I/O 03 (hysteresis buffer). Options: 1. SPI1_CSZ0 (active low output): Optional SPI1 chip select 0 signal. An external pullup resistor is required to deactivate this signal during reset and auto-initialization processes. 2. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_02 D14 B1 General purpose I/O 02 (hysteresis buffer). Options: 1. SPI1_DOUT (output): Optional SPI1 data output signal. 2. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_01 C15 B1 General purpose I/O 01 (hysteresis buffer). Options: 1. SPI1_CLK (output): Optional SPI1 clock signal. 2. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). GPIO_00 C14 B1 General purpose I/O 00 (hysteresis buffer). Options: 1. SPI1_DIN (input): Optional SPI1 data input signal. 2. Optional GPIO. Should be configured as a logic zero GPIO output and left unconnected if not used (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). |
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