DLPC3470 datasheet(50/70 Pages) TI1

50 / 70 page

1.1V

RESETZ

CMP_PWM

1.8V

2.3 V to 5.5 V

INTZ

DLPA200x

PARKZ

VLED

1.1 V

1.8 V

VCORE

VIO

BIAS, RST, OFS

Thermistor

I2C

Video Front End

System Controller

Microcontroller

Parallel I/F 28

DLPC3470

eDRAM

VCC_FLSH

SPI_1

SPI_0

SYSPWR

1.8V

Sub-LVDS DATA (18)

CTRL

VCC_INTF

1.8V

VSPI

1.1V

Reg

Current

Sense

RC_CHARGE

GPIO_8 (Normal Park)

TSTPT_4

GPIO_7

TRIG_OUT1

TRIG_OUT2

DC Supplies

SPI(4)

CMP_OUT

LED_SEL(2)

Illumination

Optics

Illuminator

Focus

stepper

motor

Focus motor position sensor

HDMI

Keypad

PROJ_ON

SPI

Flash

PROJ_ON

Included in DLP® Chip Set

Non-DLP components

Spare R/W

GPIO

WVGA

DDR DMD

DLP2010/

DLP2010

(NIR)

Monochrome

Illumination

(1)

DLPC3470

DLPS110 – APRIL 2018

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Product Folder Links: DLPC3470

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9 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

9.1 Application Information

A Pico projector embedded in a handheld product is a common application for the DLPC3470 controller with

DLP2010 DMD and DLPA2000 device PMIC/LED driver. For example, a Pico projector may be embedded in a

smart phone, a tablet, a camera, or camcorder. The DLPC3470 controller in the Pico projector embedded

module typically receives images from a host processor within the product.

DLPC3470 display and light controller with DLP2010 DMD enables high accuracy and very small form factor 3D

Depth sensing products. This section describes typical 3D depth sensor DLP systems using both external and

internal pattern streaming modes.

9.2 Typical Application

9.2.1 3D Depth Capture with DLP Using External Pattern Streaming Mode

DLPC3470 controller with DLP2010/DLP2010NIR DMD enables high accuracy and very small form factor 3D

Depth capture products. Figure 31 shows a typical 3D depth capture system block diagram using external pattern

streaming mode.

(1)

Options to elect different LEDs, but only 1 channel used at a time

Figure 31. External Pattern Streaming Mode

DLPC3470 Datasheet(PDF) 50 Page - Texas Instruments

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