Overview
The MAX9260GCB/V+TCPT is a high-performance Gigabit Multimedia Serial Link (GMSL) deserializer produced by Analog Devices Inc./Maxim Integrated. This device is designed to support high-speed data transmission and is particularly suited for applications requiring reliable and high-bandwidth serial links. The MAX9260 works in conjunction with the MAX9259 serializer to form a complete GMSL solution, enabling the transmission of video, audio, and control data over a single twisted pair cable.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 64-pin TQFP (10mm x 10mm), 56-pin TQFN/QFND (8mm x 8mm x 0.75mm) with exposed pad |
| Data Rate | Up to 3.125 Gbps |
| Cable Length | Up to 15 meters over STP cable |
| Parallel Bus Width | Selectable 24-bit or 32-bit |
| Data Clock Rate | 8.33 MHz to 104 MHz (24-bit mode), 6.25 MHz to 78 MHz (32-bit mode) |
| Signaling Type | CML (Current Mode Logic) with programmable preemphasis and AC-coupling |
| Line Equalization | Adjustable line equalizer with 11 selectable levels of compensation from 2.1 dB to 13 dB |
| Reverse Control Channel | Supports I2C/UART and interrupt signals in the reverse direction |
| Audio Channel | Supports I2S audio data |
Key Features
- High-Speed Data Transmission: Supports data rates up to 3.125 Gbps over STP cables up to 15 meters long.
- Programmable Preemphasis and Line Equalization: Compensates for high-frequency loss in cables, ensuring reliable transmission over longer distances.
- Flexible Parallel Bus: Selectable 24-bit or 32-bit parallel bus width with data clock rates ranging from 8.33 MHz to 104 MHz (24-bit mode) and 6.25 MHz to 78 MHz (32-bit mode).
- Reverse Control Channel: Enables the transmission of I2C/UART and interrupt signals in the reverse direction, independent of the forward video data.
- Audio Support: Includes an I2S audio channel for audio data transmission.
- Power Management: Offers a lower power drive mode by reducing the driver strength to 75% or 50% of the default level.
Applications
- Automotive Infotainment Systems: Ideal for high-speed video and audio transmission in automotive infotainment and driver assistance systems.
- Industrial Vision Systems: Suitable for image-sensing applications where high-bandwidth data transmission is required.
- Medical Imaging: Used in medical imaging devices that require reliable and high-speed data transmission.
- Security and Surveillance: Applicable in security and surveillance systems that need to transmit high-quality video over long distances.
Q & A
- What is the maximum data rate supported by the MAX9260GCB/V+TCPT?
The MAX9260GCB/V+TCPT supports data rates up to 3.125 Gbps.
- What types of packages are available for the MAX9260GCB/V+TCPT?
The device is available in 64-pin TQFP (10mm x 10mm) and 56-pin TQFN/QFND (8mm x 8mm x 0.75mm) packages with an exposed pad.
- What is the purpose of the reverse control channel in the MAX9260GCB/V+TCPT?
The reverse control channel allows the transmission of I2C/UART and interrupt signals in the reverse direction, independent of the forward video data.
- How does the MAX9260GCB/V+TCPT compensate for cable attenuation?
The device includes programmable preemphasis and an adjustable line equalizer to compensate for high-frequency loss in cables.
- Can the MAX9260GCB/V+TCPT support audio data transmission?
Yes, the device supports I2S audio data transmission.
- What are the typical applications of the MAX9260GCB/V+TCPT?
The device is typically used in automotive infotainment systems, industrial vision systems, medical imaging, and security and surveillance systems.
- How long does it take for the reverse control channel to become available after power-up?
The reverse control channel is available 500 μs after power-up.
- Can the driver strength of the MAX9260GCB/V+TCPT be adjusted?
Yes, the driver strength can be reduced to 75% or 50% of the default level to lower power consumption.
- What is the significance of the SYNC and ACK bytes in the MAX9260GCB/V+TCPT?
The SYNC byte synchronizes the slave chip with the host UART data rate, and the ACK byte is used to verify that write commands are processed without error.
- How does the MAX9260GCB/V+TCPT handle missed acknowledge bytes?
In the event of a missed acknowledge byte, the FC should assume there was an error in the packet transmission or response.
