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DLPC3435ZEZ Datasheet(PDF) 9 Page - Texas Instruments |
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DLPC3435ZEZ Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 59 page  9 DLPC3430, DLPC3435 www.ti.com DLPS038B – JULY 2014 – REVISED FEBRUARY 2016 Product Folder Links: DLPC3430 DLPC3435 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated (1) GPIO signals must be configured through software for input, output, bidirectional, or open-drain. Some GPIO have one or more alternative use modes, which are also software configurable. The reset default for all GPIO is as an input signal. An external pullup is required for each signal configured as open-drain. (2) DLPC343x general purpose I/O. These GPIO are software configurable. Pin Functions – GPIO Peripheral Interface(1) PIN I/O DESCRIPTION(2) NAME NUMBER GPIO_19 M15 B1 General purpose I/O 19 (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). 2. KEYPAD_4 (input): keypad applications GPIO_18 M14 B1 General purpose I/O 18 (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). 2. KEYPAD_3 (input): keypad applications GPIO_17 L15 B1 General purpose I/O 17 (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). 2. KEYPAD_2 (input): keypad applications GPIO_16 L14 B1 General purpose I/O 16 (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). 2. KEYPAD_1 (input): keypad applications GPIO_15 K15 B1 General purpose I/O 15 (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). 2. KEYPAD_0 (input): keypad applications GPIO_14 K14 B1 General purpose I/O 14 (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_13 J15 B1 General purpose I/O 13 (hysteresis buffer). Options: 1. CAL_PWR (output): Intended to feed the calibration control of the successive approximation ADC light sensor. 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_12 J14 B1 General purpose I/O 12 (hysteresis buffer). Options: 1. (Output) power enable control for LABB light sensor. 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_11 H15 B1 General purpose I/O 11 (hysteresis buffer). Options: 1. (Output): thermistor power enable. 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_10 H14 B1 General Purpose I/O 10 (hysteresis buffer). Options: 1. RC_CHARGE (output): Intended to feed the RC charge circuit of the successive approximation ADC used to control the light sensor comparator. 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_09 G15 B1 General purpose I/O 09 (hysteresis buffer). Options: 1. LS_PWR (active high output): Intended to feed the power control signal of the successive approximation ADC light sensor. 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_08 G14 B1 General purpose I/O 08 (hysteresis buffer). Options: 1. (All) Normal mirror parking request (active low): To be driven by the PROJ_ON output of the host. A logic low on this signal will cause the DLPC343x to PARK the DMD, but it will not power down the DMD (the DLPA2000 does that instead). The minimum high time is 200 ms. The minimum low time is also 200 ms. |
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