MAX9272 - 28-Bit GMSL Deserializer for Coax or STP Cable

The parallel output is programmable for single or double output. Double output strobes out half of a parallel word on each pixel clock cycle. Double output can be used with GMSL serializers that have the double-input feature.



The device features an embedded control channel that operates at 9.6kbps to 1Mbps in UART and mixed UART/I²C modes, and up to 400kbps in I²C mode. Using the control channel, a microcontroller (µC) is capable of programming serializer/deserializer and peripheral device registers at any time, independent of video timing. Two GPIO ports are included, allowing power-up and switching of the backlight in display applications and similar uses. A continuously sampled GPI input supports touch-screen controller interrupt requests.



For use with longer cables, the device has a programmable equalizer. Programmable spread spectrum is available on the parallel output. The serial input meets ISO 10605 and IEC 61000-4-2 ESD standards. The core supply range is 1.7V to 1.9V and the I/O supply range is 1.7V to 3.6V. The device is available in a 48-pin (7mm × 7mm) TQFN-EP package with 0.5mm lead pitch and operates over the -40°C to +105°C temperature range.



Applications/Uses:

Automotive Camera Systems



Key Features:

Ideal for Camera Applications

Works with Low-Cost 50Ω Coax Cable and FAKRA Connectors or 100Ω STP

Error Detection/Correction

9.6kbps to 1Mbps Control Channel in I²C-to-I²C Mode with Clock Stretch Capability

Best-in-Class Supply Current: 90mA (max)

Double-Rate Clock for Megapixel Cameras

Cable Equalization Allows 15m Cable at Full Speed

48-Pin (7mm × 7mm) TQFN-EP Package with 0.5mm Lead Pitch

High-Speed Data Deserialization for Megapixel Cameras

Up to 1.5Gbps Serial-Bit Rate with Single or Double Output: 6.25MHz to 100MHz Clock

Multiple Control-Channel Modes for System Flexibility

9.6kbps to 1Mbps Control Channel in UART-to-UART or UART-to-I²C Modes

Reduces EMI and Shielding Requirements

Input Programmable for 100mV to 500mV Single-Ended or 50mV to 400mV Differential

Programmable Spread Spectrum on the Parallel Output Reduces EMI

Tracks Spread Spectrum on Serial Input

Peripheral Features for Camera Power-Up and Verification

Built-In PRBS Checker for BER Testing of the Serial Link

Two GPIO Ports

Dedicated “Up/Down” GPI for Camera Frame Sync Trigger and Other Uses

Remote/Local Wake-Up from Sleep Mode

Meets Rigorous Automotive and Industrial Requirements

-40°C to +105°C Operating Temperature

±10kV Contact and ±15kV IEC 61000-4-2 ESD Protection

±10kV Contact and ±30kV Air ISO 10605 ESD Protection