MAX9288-MAX9290.pdf_max9288应用电路,max9288调试

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General Description

The MAX9288/MAX9290 gigabit multimedia serial link

(GMSL) deserializers receive data from a GMSL serializer

over 50Ω coax or 100Ω shielded twisted-pair (STP) cable

and output deserialized data on the CSI-2 outputs.

The MAX9290 has HDCP content protection but other-

wise is the same as the MAX9288. The deserializers pair

with any GMSL serializer capable of coax output. When

programmed for STP input, they are backward compatible

with any GMSL serializer.

The audio channel supports L-PCM I

S stereo and up to

eight channels of L-PCM in TDM mode. Sample rates of

32kHz to 192kHz are supported with sample depth up to

32 bits.

The embedded control channel operates at 9.6kbps

to 1Mbps in UART-to-UART and UART-to-I

C modes,

and up to 1Mbps in I

C-to-I

C mode. Using the control

channel, a µC can program serializer, deserializer, and

peripheral device registers at any time, independent of

video timing, and manage HDCP operation (MAX9290).

Two GPIO ports are included, allowing display power-

up and switching of the backlight, among other uses. A

continuously sampled GPI input supports touch-screen

controller interrupt requests in display applications.

For use with longer cables, the deserializers have a pro-

grammable cable equalizer. The serial input meets ISO

10605 and IEC 61000-4-2 ESD standards. The GMSL

supply is 3.0V to 3.6V, the MIPI CSI-2 supply is 1.7V to

1.9V, and the I/O supply is 1.7V to 3.6V.

The devices are available in lead(Pb)-free, 48-pin, 7mm

x 7mm TQFN and SWTQFN packages with exposed pad

and 0.5mm lead pitch.

Applications

● High-Resolution Automotive Navigation

● Rear-Seat Infotainment

● Megapixel Camera Systems

Benets and Features

● Ideal for High-Definition Video Applications

• 4-Lane CSI-2 Output with Up to 1Gbps Per Lane

• Works with Low-Cost 50Ω Coax Cable and FAKRA

Connectors or 100Ω STP

• 104MHz High-Bandwidth Mode Supports

1920 x 720p/60Hz Display with 24-Bit Color

• Equalization Allows 15m Cable at Full Speed

• Up to 192kHz Sample Rate and 32-Bit Sample

Depth For 7.1 Channel HD Audio

• Audio Clock from Audio Source or Audio Sink

• Color Lookup Table for Gamma Correction

• CNTL0–CNTL3 Control Outputs for HDMI/MHL

● Multiple Data Rates for System Flexibility

• Up to 3.12Gbps Serial-Bit Rate

• 6.25MHz to 104MHz Pixel Clock

• 9.6kbps to 1Mbps Control Channel in UART, Mixed

UART/I

C, or I

C Mode with Clock-Stretch

Capability

● Reduces EMI and Shielding Requirements

• Tracks Spread Spectrum on Input

• High-Immunity Mode for Maximum Control-

Channel Noise Rejection

● Peripheral Features for System Power-Up and

Verification

• Built-In PRBS Tester for BER Testing of the Serial

Link

• Programmable Choice of 8 Default Device

Addresses

• Two Dedicated GPIO Ports

• Dedicated “Up/Down” GPI for Touch-Screen

Interrupt and Other Uses

• Remote/Local Wake-Up from Sleep Mode

● Meets Rigorous Automotive and Industrial

Requirements

• -40°C to +105°C Operating Temperature

• ±8kV Contact and ±12kV Air ISO 10605 and

IEC 61000-4-2 ESD Protection

Ordering Information appears at end of data sheet.

19-6916; Rev 4; 3/18

MAX9288/MAX9290 3.12Gbps GMSL Deserializers

for Coax or STP Input and MIPI CSI-2 Output

Click here for production status of specic part numbers.

Simplied Diagram

µC

GMSL

SERIALIZER

MAX9288

MAX9290

VIDEO/AUDIO

720p

DISPLAY

CSI-2 VIDEO/

AUDIO

EVALUATION KIT AVAILABLE

MAX9288/MAX9290 3.12Gbps GMSL Deserializers

for Coax or STP Input and MIPI CSI-2 Output

www.maximintegrated.com

Maxim Integrated

│

TABLE OF CONTENTS

General Description ............................................................................ 1

Applications .................................................................................. 1

Benefits and Features .......................................................................... 1

Simplified Diagram............................................................................. 1

Absolute Maximum Ratings ...................................................................... 8

Package Thermal Characteristics (Note 2) .......................................................... 8

DC Electrical Characteristics ..................................................................... 8

AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Typical Operating Characteristics ................................................................ 16

Pin Configuration ............................................................................. 18

Pin Description............................................................................... 18

Functional Diagram ........................................................................... 21

Detailed Description........................................................................... 27

Output Bit Map .............................................................................28

Serial Link Signaling and Data Format ...........................................................28

GMSL-to-CSI-2 Conversion and Output..........................................................28

Video Data Operation .....................................................................28

Auto Pixel-Per-Line Feature.................................................................48

Clock Operation ..........................................................................49

Data-Rate Selection and CSI-2 Clock Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

GMSL Clock Range .......................................................................50

CSI-2 Clock Range .......................................................................50

High-Bandwidth Mode .......................................................................50

Audio Channel..............................................................................50

Audio Channel Input ......................................................................50

Audio Channel Output .....................................................................58

Additional MCLK Output for Audio Applications .................................................58

Audio Output Timing Sources ...............................................................58

Reverse Control Channel .....................................................................58

Control Channel and Register Programming....................................................59

UART Interface ..........................................................................59

Interfacing Command-Byte-Only I

C Devices

with UART ..............................................................................61

UART Bypass Mode ......................................................................61

C Interface ...............................................................................62

START and STOP Conditions ...............................................................63

Bit Transfer..............................................................................63

MAX9288/MAX9290 3.12Gbps GMSL Deserializers

for Coax or STP Input and MIPI CSI-2 Output

www.maximintegrated.com

Maxim Integrated

│

TABLE OF CONTENTS

(

continued

)

Acknowledge ............................................................................63

Slave Address ...........................................................................64

Bus Reset...............................................................................65

Format for Reading .......................................................................66

C Communication with Remote-Side Devices .................................................66

C Address Translation ......................................................................67

GPO/GPI Control ...........................................................................67

Line Equalizer ..............................................................................67

HS/VS/DE Tracking..........................................................................67

Serial Input ................................................................................67

Coax Splitter Mode ..........................................................................68

Cable Type Configuration Input ................................................................69

Color Lookup Tables.........................................................................69

Programming and Verifying LUT Data.........................................................69

LUT Color Translation .....................................................................69

LUT Bit Width............................................................................70

Recommended LUT Program Procedure ......................................................70

High-Immunity Reverse Control-Channel Mode....................................................71

Sleep Mode................................................................................71

Power-Down Mode ..........................................................................71

Configuration Link...........................................................................72

Link Startup Procedure.......................................................................72

High-Bandwidth Digital Content Protection (HDCP) .................................................. 73

Encryption Enable...........................................................................73

Synchronization of Encryption .................................................................73

Repeater Support ...........................................................................73

HDCP Authentication Procedures .................................................................74

HDCP Protocol Summary.....................................................................74

Example Repeater Network—Two µCs ........................................................78

Detection and Action Upon New Device Connection................................................78

Notification of Start of Authentication and Enable of Encryption to Downstream Links .....................82

Applications Information........................................................................ 82

Self PRBS Test .............................................................................82

Error Checking .............................................................................82

ERR Output................................................................................82

Auto Error Reset ............................................................................83

Dual µC Control ............................................................................83

Changing the Clock Frequency.................................................................83

MAX9288/MAX9290 3.12Gbps GMSL Deserializers

for Coax or STP Input and MIPI CSI-2 Output

www.maximintegrated.com

Maxim Integrated

│

TABLE OF CONTENTS

(

continued

)

Spread-Spectrum Clock Tracking...............................................................83

Fast Detection of Loss-of-Synchronization........................................................83

Providing a Frame Sync (Camera Applications)....................................................83

Software Programming of the Device Addresses...................................................83

Three-Level Configuration Inputs ...............................................................84

Configuration Blocking .......................................................................84

Compatibility with Other GMSL Devices .........................................................84

Key Memory ...............................................................................84

HS/VS/DE Inversion .........................................................................84

WS/SCK Inversion ..........................................................................84

GPIOs ....................................................................................84

Line-Fault Detection .........................................................................84

Internal Input Pulldowns ......................................................................85

Choosing I

C/UART Pullup Resistors............................................................85

AC-Coupling ...............................................................................85

Selection of AC-Coupling Capacitors ............................................................85

Power-Supply Circuits and Bypassing ...........................................................85

Power-Supply Table .........................................................................85

Cables and Connectors ......................................................................85

Board Layout...............................................................................85

ESD Protection .............................................................................87

Typical Application Circuit ..................................................................... 102

Ordering Information ......................................................................... 102

Chip Information............................................................................. 102

Package Information ......................................................................... 102

Revision History ............................................................................. 103

MAX9288/MAX9290 3.12Gbps GMSL Deserializers

for Coax or STP Input and MIPI CSI-2 Output

www.maximintegrated.com

Maxim Integrated

│

LIST OF FIGURES

Figure 1. Line Fault ........................................................................... 22

Figure 2. Reverse Control-Channel Output Parameters ............................................... 23

Figure 3. Test Circuit for Differential Input Measurement .............................................. 23

Figure 4. Test Circuit for Single-Ended Input Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 5. Worst-Case Pattern Output ............................................................. 24

Figure 6. I

C Timing Parameters ................................................................. 24

Figure 7. Output Rise-and-Fall Times ............................................................. 25

Figure 8. Deserializer Delay..................................................................... 25

Figure 9. GPI-to-GPO Delay .................................................................... 26

Figure 10. Lock Time .......................................................................... 26

Figure 11. Power-Up Delay ..................................................................... 26

Figure 12. Output I

S Timing Parameters .......................................................... 26

Figure 13. MIPI Output Timing Parameters ......................................................... 27

Figure 14. 24-Bit Mode Serial Data Format......................................................... 29

Figure 15. 32-Bit Mode Serial Data Format......................................................... 29

Figure 16. High-Bandwidth Mode Serial-Data Format ................................................ 30

Figure 17. Transmitting a Frame from GMSL to MIPI ................................................. 30

Figure 18. RGB565 Output ..................................................................... 31

Figure 19. RGB666 Output ..................................................................... 32

Figure 20. RGB888 Output ..................................................................... 33

Figure 21. YUV422 8-Bit (Muxed) Output .......................................................... 34

Figure 22. YUV422 10-Bit (Muxed) Output ......................................................... 35

Figure 23. YUV422 8-Bit Output ................................................................. 36

Figure 24. YUV422 10-Bit Output ................................................................ 37

Figure 25. YUV422 12-Bit Output ................................................................ 38

Figure 26. RAW 8-Bit (Double Load) Output........................................................ 39

Figure 27. RAW 10-Bit (Double Load) Output ....................................................... 40

Figure 28. RAW 12-Bit (Double Load) Output ........................................................41

Figure 29. RAW 8-Bit Output.................................................................... 42

Figure 30. RAW 10-Bit Output................................................................... 43

Figure 31. RAW 12-Bit Output ................................................................... 44

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