Document
www.ti.com
DLPC3478 DLPS111C – APRIL 2018 – REVISED DECDELMPBECR32407280
DLPS111C – APRIL 2018 – REVISED DECEMBER 2020
DLPC3478 Display and Light Controller
1 Features
• Display and Light Controller for DLP3010LC (0.3 720p) DMD
• Light Control Features: – Pattern display optimized for machine vision and digital exposure – Flexible internal (1D) and external (2D) pattern streaming modes • Programmable exposure times • High speed pattern rates up to 2500 Hz (1bit) and 360 Hz (8-bit) – Programmable 2D Static Patterns – Internal Pattern streaming mode enables simplified system design • Eliminates the need for Video interface • Store >1000 patterns in the flash memory – Flexible trigger signals for camera or sensor synchronization • One configurable input trigger • Two configurable output triggers
• Display Features – Supports Input Image Sizes up to 720p – Input Frame Rates up to 120 Hz – 24-Bit, Input Pixel Interface Support: • Parallel or BT656, Interface Protocols • Pixel Clock up to 155 MHz – Image Processing - IntelliBright™ Algorithms, Image Resizing, 1D Keystone, Programmable Degamma
• System Features: – I2C Control of Device Configuration – Programmable Splash Screens – Programmable LED Current Control – Auto DMD Parking at Power Down
2 Applications
• Mobile projector • Smart display • Smartphone • Augmented reality glasses • Smart home displays • Pico projectors • 3D machine vision
3 Description
The DLPC3478 display and light controller supports reliable operation of the DLP3010LC digital micromirror device (DMD) for video display and light control applications. The DLPC3478 controller provides a convenient interface between user electronics and the DMD to display video and steer light patterns with high speed, precision, and efficiency.
Visit the getting started with TI DLP ® Pico ™ display technology page, and view the programmer's guide to learn how to get started.
The chipsets include established resources to help the user accelerate the design cycle, which include production ready optical modules, optical module manufacturers, and design houses.
Device Information (1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
DLPC3478
NFBGA (201)
13.00 mm × 13.00 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
SYSPWR
1.8 V external PROJ_ON
I2C HOST_IRQ
TRIG_IN
Parallel (28)
SPI (4)
1.8 V
GPIO_8
SPI1 RESETZ
PARKZ
3DR
VDDLP12 VDD
DLPC347x
SPI0
TSTPT GPIO
VCC_18
GPIO
VCC_INTF
VCC_FLSH
VLED 1.8 V
DLPA200x
RLIM
TRIG_OUT_1 TRIG_OUT_2 PAT_READY
Illumination optics VOFFSET, VBIAS, VRESET
CTRL Sub-LVDS
1.8 V
DMD
To Flash
Typical Standalone System
CopyrighAtn©I2M0P20OTReTxaAsNInTsNtruOmTeInCtsEInactotrhpeoreatnedd of this data sheet addresses availability, warranty, changes, use iSnusbamfeittyD-corcituicmael anpt pFleiceadtbioancsk,
1
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Product Folder Links: DLPC3478
DLPC3478
DLPS111C – APRIL 2018 – REVISED DECEMBER 2020
www.ti.com
Table of Contents
1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 4 Revision History.............................................................. 2 5 Pin Configuration and Functions...................................4 6 Specifications................................................................ 12
6.1 Absolute Maximum Ratings...................................... 12 6.2 ESD Ratings............................................................. 12 6.3 Recommended Operating Conditions.......................13 6.4 Thermal Information..................................................13 6.5 Power Electrical Characteristics............................... 14 6.6 Pin Electrical Characteristics.................................... 15 6.7 Internal Pullup and Pulldown Electrical
Characteristics.............................................................17 6.8 DMD Sub-LVDS Interface Electrical
Characteristics.............................................................18 6.9 DMD Low-Speed Interface Electrical
Characteristics.............................................................19 6.10 System Oscillator Timing Requirements................. 20 6.11 Power Supply and Reset Timing Requirements......20 6.12 Parallel Interface Frame Timing Requirements.......21 6.13 Parallel Interface General Timing Requirements.... 22 6.14 BT656 Interface General Timing Requirements......23 6.15 Flash Interface Timing Requirements..................... 24 6.16 Other Timing Requirements.................................... 24 6.17 DMD Sub-LVDS Interface Switching
Characteristics.............................................................25 6.18 DMD Parking Switching Characteri.