I2C 通信基础

Posted 2022-10-03 bobuddy

1. 通信速率

Standard mode – Sm (up to 100 kHz)
Fast mode – Fm (up to 400 kHz)
Fast mode Plus – Fm+ (up to 1 MHz)
High-speed mode – Hs mode (up to 3.25 MHz)

2. 通信协议

 

 3. 通信模式

 Slave transmitter
 Slave receiver

master  transmitter

 master  receiver