Hi Friends, Today, lets get familiar about some popular SoC interface protocols those are more frequently used in modern Chips for different applications.

 This collection would be helpful to you in terms of deciding which protocol to learn/focus upon for different application domains.

Here is the comprehensive list –

1. Storage
   • SATA 3.3
   • NVMe 1.4
   • UFS 3.0
   • UHS 3
   • SD Express
   • SDIO
   • eMMC
2. Universal Serial Bus (USB)
   • USB 4.0
   • USB 3.2/3.1/3.0
   • USB 2.0
   • USB OTG
   • USB PD
   • USB Type-C 1.3
   • xHCI
3. Memory
   • DDR5/4/3/2
   • LPDDR5/4/3/2
   • HBM3/2
   • GDDR6
   • ONFI
4. Networking (Ethernet)
   • 800G
   • 400G/200G
   • 100G/40G
   • 50G/25G
   • 10G
   • 1G
   • XAUI
   • XGMII
   • XGXS/USXGMII
   • CDXS/CCXS
5. PCI Express (PCIe)
   • PCIe Gen 5
   • PCIe Gen 4
   • PCIe Gen 3
   • PCIe Gen 2
   • PIPE 5/4.4.1
   • SRIOV
6. MIPI
   • CSI-2 v2.1
   • DSI-2 v1.1
   • DPHY v2.1
   • CPHY v1.2
   • MPHY v4.1
   • Unipro v1.8
7. AMBA
   • AXI5/4/3
   • AXI4 Lite
   • AHB5/3/2
   • APB4/3/2
   • ATB v1.1
   • ACE4
8. Display
   • HDMI 2.0
   • HDMI 1.4
   • DisplayPort 2.0
   • DisplayPort 1.4
   • HDCP 2.3
   • HDCP 2.2
   • HDCP 1.4
   • eDP
9. Misc (Serial protocols)
   • SPI/QSPI
   • UART
   • I2C
   • I2S
   • JTAG
   • PMBUS v1.3.1
   • SMBUS v3.1

Its not the final list, as we know that the interfaces and their protocols keep evolving with time. At present of writing this post, I can definitely say that these are some of the most prominent interface protocols. I will keep updating the list time to time.

Hope it helps, enjoy learning, All the best! Until next post, stay healthy and stay safe.