C792

C792 front view

C792 rear view

C792 rear view

C792 rear view

Overview

The C792 is a HDMI to CSI-2 converter module with HDMI loop out that supports I2S audio output.

The HDMI input supports up to 4K 60Hz, and the HDMI loop out screen is consistent with the HDMI input screen.

CSI-2 output support up to 1080p 60Hz (4K screen will be automatically scaled to 1080p, the refresh rate remains unchanged).

The difference between X1500, X1501, X1502 and X1507

Features	X1500	X1501	X1502	X1507
Compatible with	Raspberry Pi CM5	Raspberry Pi CM5	Raspberry Pi CM5	Raspberry Pi CM5
Ethernet Port	1GbE Ethernet Port x 1	1GbE Ethernet Port x 1, 2.5GbE Ethernet Port x 1	1GbE Ethernet Port x 1, 2.5GbE Ethernet Port x 1	1GbE Ethernet Port x 1
USB-C Power In Port	✔	✔	✔	✔
USB-A Ports	2 x USB2.0 Type-A, 2 x USB3.0 Type-A	1 x USB2.0 Type-A, 1 x USB3.0 Type-A	1 x USB2.0 Type-A, 1 x USB3.0 Type-A	2 x USB2.0 Type-A, 2 x USB3.0 Type-A
HDMI 2.0 Ports	2 x HDMI 2.0	2 x HDMI 2.0	2 x HDMI 2.0	2 x HDMI 2.0
M.2 NVMe Key-M Slot	Dual 2230/2242/2260/2280	Dual 2230/2242/2260/2280	Four 2230/2242/2260/2280	Dual 2230/2242
Dual MIPI DSI/CSI-2 Connectors	✔	✔	✔	✔
MicroSD Card Slot	✔	✔	✔	✔
Power Button	✔	✔	✔	✔
RTC Battery Socket	✔ Require CR1220	✔ Require CR1220	✔ Require CR2032	✔ with a RTC Battery Connector, Require CR1220 and battery holder
4Pin PWM Fan Port	✔	✔	✔	✔
Support Hailo-8 AI Accelerator	✔	✔	❌	✔
PoE header	✔	✔	❌	✔
40pin GPIO header	✔	✔	✔	✔
12pin Configurable header J2	✔	✔	✔	✔
Jumper setting for CAM/DISP1 J6	✔	✔	✔	✔
PoE HAT support	Currently no compatible PoE HAT	Currently no compatible PoE HAT	Currently no compatible PoE HAT	Currently no compatible PoE HAT
Matching Case	X1500-C1 / X15-C1	X1500-C1 / X15-C1	X1502-C1	X1507-C1 was released at the end of September
Matching Cooler	C519	C519	C519	Equipped with a passive cooler

Hardware Parameters

• Model: C792
• Compatible with Raspberry Pi 5B/4B/3B/Zero/CM5/CM4
• HDMI input: supports up to 1080P60Hz on Raspberry Pi (Only when use with CM4 /CM5/ Pi 5B)
• 2 CSI-2 channels & clock (Pi 4B/3B and Pi Zero only support 2 lan, max 1080P1080p50Hz, and Pi CM4 /CM5/ 5B can support 4 lan, max 1080P1080p60Hz)
• The CSI-2 interface, with 15 pin FPC seat, spacing 1.0 mm, is located on the front of the C792 module.
• The CSI-2 interface, with 22 pin FPC seat, spacing 0.5 mm, is located on the back of the C792 module.
• Size: 56 x 56 mm
• Power supply:5V
• Weight: 25g

Important note:

• The hardware programme is GSV2001+TC358743, in which GSV2001 realizes HDMI one-part-two function and TC358743 realizes HDMI to CSI-2 function.
• In order to ensure the stability of the module, it is strongly recommended that the module be powered through the 5V power supply interface.
• When the‘HDMI Loop Out’is connected to the monitor, the HDMI source detects the monitor connected to the‘HDMI Loop Out’; when the‘HDMI Loop Out’is not connected to the monitor, the HDMI source detects the monitor connected to the TC358743. When‘HDMI Loop Out’is not connected to a monitor, the HDMI source detects the monitor emulated by the TC358743.

Packing List

• 1 x C792 HDMI to CSI-2 Module
• 1 x 5V power cable
• 1 x 15cm Length FPC 15pin 1.0mm cable (for Pi 4B / 3B / Pi Zero)
• 1 x 15cm Length FPC 22pin 0.5mm cable (for Pi 5B / CM5 / CM4)
• 1 x I2S cable

User Manual

Here are a few tutorials:

• Similar Products Guide: X1300 Software
• Tutorial from customers: RPi5_hdmi_in_card
• Due to the absence of hardware encoding on the Pi 5B, the software usage instructions for Pi platforms are currently divided into two sections: Pi 5B configuration and configuration for other Pi platforms.
• Pi 5B platforms HDMI to CSI module test demo reference： CSI Manual on Pi 5
• Possible software problems: ISP freezes with new firmware and Raspberry Pi 5 firmware ignores and responds with incorrect frame buffer pixel depth information
• Also refer to: https://wiki.blicube.com/blikvm/en/C792/

FAQ

Q1: Question 1

A: Place the answer here.

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Anonymous user #1

4 days ago

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is there a way to configure the GSV2001 to provide 720p to the CSI interface for capturing on older pi's regardless of the input resolution, or is it only able to scale 4k down to 1080p60 as noted above?

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Anonymous user #1

3 days ago

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Looks like this is a limitation of the GSV2001 and not configurable. > 1.2.3 Internal Downscaler

> Scaler is only used to downscale 4k UHD timings to 2k FHD timings. The horizontal resolution and vertical resolution are both cut in half while frame rate remains the same.

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