Understanding SPMI 

This video provides a short technical introduction to the SPMI protocol and how it’s used in modern power management applications.
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Timeline:
00:00 Introduction
00:13 About SPMI (system power management interface)
01:23 SPMI technical overview
02:31 Command sequences
03:18 Sequence start condition (SSC)
03:48 About frames
04:36 Addressing
05:16 Bus park
05:43 Acknowledgement (ACK) bit
06:20 SPMI commands
06:37 State management commands
07:31 State management command format
08:09 Authentication command
08:54 Register access commands
09:56 Register access command example (Register Read)
10:34 About bus arbitration
11:25 Analyzing and troubleshooting SPMI
12:31 Summary

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