DLPS253B
September 2024 – August 2025
DLPC8445
,
DLPC8455
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
6
4.1
Initialization, Board Level Test, and Debug
4.2
V-by-One Interface Input Data and Control
4.3
FPD Link Port(s) Input Data and Control (Not Supported in DLPC8445, DLPC8445V, and DLPC8455)
4.4
DSI Input Data and Clock (Not Supported in DLPC8445, DLPC8445V, and DLPC8455)
4.5
DMD SubLVDS Interface
4.6
DMD Reset and Low-Speed Interfaces
4.7
Flash Interface
4.8
Peripheral Interfaces
4.9
GPIO Peripheral Interface
4.10
Clock and PLL Support
4.11
Power and Ground
4.12
I/O Type Subscript Definition
4.13
Internal Pullup and Pulldown Characteristics
5
Specifications
5.1
Absolute Maximum Ratings
22
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Power Electrical Characteristics
5.6
Pin Electrical Characteristics
5.7
DMD SubLVDS Interface Electrical Characteristics
29
5.8
DMD Low-Speed Interface Electrical Characteristics
31
5.9
V-by-One Interface Electrical Characteristics
5.10
USB Electrical Characteristics
34
5.11
System Oscillator Timing Requirements
36
5.12
Power Supply and Reset Timing Requirements
38
5.13
V-by-One Interface General Timing Requirements
40
5.14
Flash Interface Timing Requirements
42
5.15
Source Frame Timing Requirements
44
5.16
Synchronous Serial Port Interface Timing Requirements
46
5.17
I2C Interface Timing Requirements
5.18
Programmable Output Clock Timing Requirements
5.19
JTAG Boundary Scan Interface Timing Requirements (Debug Only)
50
5.20
DMD Low-Speed Interface Timing Requirements
52
5.21
DMD SubLVDS Interface Timing Requirements
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagrams
6.3
Feature Description
6.3.1
Input Sources
6.3.2
V-by-One Interface
6.3.3
DMD (SubLVDS) Interface
6.3.4
Serial Flash Interface
6.3.5
GPIO Supported Functionality
63
64
6.3.6
Debug Support
7
Power Supply Recommendations
7.1
System Power-Up and Power-Down Sequence
7.2
DMD Fast Park Control (PARKZ)
7.3
Power Supply Management
7.4
Hotplug Usage
7.5
Power Supplies for Unused Input Source Interfaces
7.6
Power Supplies
7.6.1
Power Supplies DLPA3085 or DLPA3082
8
Layout
8.1
Layout Guidelines
8.1.1
Layout Guideline for DLPC8445, DLPC8445V, or DLPC8455 Reference Clock
8.1.1.1
Recommended Crystal Oscillator Configuration
8.1.2
V-by-One Interface Layout Considerations
8.1.3
DMD Maximum Pin-to-Pin, PCB Interconnects Etch Lengths
8.1.4
Power Supply Layout Guidelines
8.2
Thermal Considerations
9
Device and Documentation Support
9.1
Third-Party Products Disclaimer
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Device Nomenclature
9.5.1
Device Markings
9.6
Trademarks
9.7
Electrostatic Discharge Caution
9.8
Glossary
9.8.1
Video Timing Parameter Definitions
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
AMD|484
MPBC006D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
dlps253b_oa
dlps253b_pm
1
Features
DLPC84x5 controllers support
Up to 4K UHD at 60Hz
Up to 1080p at 240Hz (2D) and 120Hz (3D)
DLPC84x5 controllers support the following 4K UHD DMDs:
DLPC8445
and
DLPC8445V
support
DLP472TP
and
DLP391TP
DMDs
DLPC8455
supports the
DLP473TE
DMD
Single
V-by-One®
HS video input port with 1, 2, 4, or 8 lanes
Up to 600MHz pixel clock and 2160p at 60Hz
Up to 3.0Gbps per input transmission rate
Input formats supported
RGB and YCbCr
4:4:4 and 4:2:2
Internal
Arm®
processor
52 configurable GPIOs
PWM generator
Capture and delay timers
USB 2.0 high-speed controller
SPI and I
2
C controllers
UART and interrupt controllers
Warping engine
1D and 2D keystone correction
Embedded partial frame memory for video processing
Additional image processing
Overlap color support (
DLPC8445V and DLPC8455
only)
Variable refresh rate (VRR) support
Rolling buffer for reduced frame latency
DynamicBlack
Frame rate multiplication
Color coordinate adjustment
Color temperature adjustment
Programmable degamma
Read-side spatial-temporal multiplexing
Integrated support for 3-D display
Splash screen display
Serial flash for µP and PWM sequences
System control
DMD power and reset driver control
DMD horizontal and vertical image flip
JTAG boundary scan test support
Supports LED, RGB laser, and laser-phosphor illumination-based systems