Add an additional hardware UART to your Arduino project.

New feature	Tested ESP8266	Tested ESP32	Tester
I2C communication	not tested	not tested	-

Contributors

• The dev branch was created and committed with the fork of asantiagod https://github.com/asantiagod/SC16IS7X0
• The dev branch has been merged into master on the 2024-03-04

Compatibility and dependencies

• SC16IS740_750_760 Library (MIT License)
• Written for Arduino Framework.
• Work on platform ESP8266 / ESP32
• Depends on Adafruit_BusIO Library (MIT License)

Programmed features

• This library inherits from Stream class
• SPI communication
• 64 bytes FIFO (TX & RX)
• Hardware CTS / RTS Flow Control
• SC16IS750 and SC16IS760 provids you with 8 additional programmable I/O pins

Not programmed yet

• Usage of IRQ pin
• IrDA
• RS485 RTS control and 9-bit mode / multidrop

Speed and timing

• SPI max clock frequency :
  • 4MHz for SC16IS750
  • 15MHz for SC16IS760
• Crystal oscillator :
  • 24MHz max
• External clock frequency :
  • 48MHz max @ 2.5V
  • 80MHz max @ 3.3V