PCA9548 Overview
The PCA9548 is a octal bi-directional translating switch controlled by the I2C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCx/SDx channel or bination of channels can be selected, determined by the contents of the programmable Control Register.
PCA9548 Key Features
- 1-of-8 bi-directional translating switches
- I2C interface logic; patible with SMBus standards
- Active LOW Reset Input
- 3 address pins allowing up to 8 devices on the I2C-bus
- Channel selection via I2C-bus, in any bination
- Power-up with all switch channels deselected
- Low RdsON switches
- Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and
- No glitch on power-up
- Supports hot insertion
