PSOC E8XXGP Device Support Library

| PSOC E8XXGP Device Support Library

Macros
SIO reference voltage for input buffer trip-point
PDL API Reference » GPIO (General Purpose Input Output) » Macros

## General Description

Constants to be used for setting the reference voltage of SIO input buffer trip-point.

## Macros
#define | CY_SIO_VREF_PINREF (0x00UL)
| Vref from analog pin.
#define | CY_SIO_VREF_1_2V (0x01UL)
| Vref from internal 1.2V reference.
#define | CY_SIO_VREF_AMUX_A (0x02UL)
| Vref from AMUXBUS_A.
#define | CY_SIO_VREF_AMUX_B (0x03UL)
| Vref from AMUXBUS_B.