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DLPC3433CZVB Datasheet(PDF) 11 Page - Texas Instruments |
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DLPC3433CZVB Datasheet(HTML) 11 Page - Texas Instruments |
11 / 62 page DLPC3433, DLPC3438 www.ti.com DLPS035B – FEBRUARY 2014 – REVISED JANUARY 2016 Pin Functions – GPIO Peripheral Interface(1) PIN I/O DESCRIPTION(2) NAME NUMBER 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 GPIO_19 M15 B1 (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). 2. KEYPAD_4 (input): keypad applications 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 GPIO_18 M14 B1 (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). 2. KEYPAD_3 (input): keypad applications 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 GPIO_17 L15 B1 (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). 2. KEYPAD_2 (input): keypad applications 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 GPIO_16 L14 B1 (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). 2. KEYPAD_1 (input): keypad applications 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 GPIO_15 K15 B1 (otherwise it will require an external pullup or pulldown to avoid a floating GPIO input). 2. KEYPAD_0 (input): keypad applications General purpose I/O 14 (hysteresis buffer). Options: GPIO_14 K14 B1 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). General purpose I/O 13 (hysteresis buffer). Options: 1. CAL_PWR (output): Intended to feed the calibration control of the successive approximation ADC GPIO_13 J15 B1 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). General purpose I/O 12 (hysteresis buffer). Options: 1. (Output) power enable control for LABB light sensor. GPIO_12 J14 B1 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). General purpose I/O 11 (hysteresis buffer). Options: 1. (Output): thermistor power enable. GPIO_11 H15 B1 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). General Purpose I/O 10 (hysteresis buffer). Options: 1. RC_CHARGE (output): Intended to feed the RC charge circuit of the successive approximation ADC GPIO_10 H14 B1 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). General purpose I/O 09 (hysteresis buffer). Options: 1. LS_PWR (active high output): Intended to feed the power control signal of the successive GPIO_09 G15 B1 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). 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 GPIO_08 G14 B1 logic low on this signal will cause the DLPC343x to PARK the DMD, but it will not power down the DMD (the DLPA200x does that instead). The minimum high time is 200 ms. The minimum low time is also 200 ms. (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. Copyright © 2014–2016, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: DLPC3433 DLPC3438 |
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