12.6.2 Device Active Indication Enable Parameter

The device active indication enable parameter enables the use of the GPIO pin to indicate to the external host MCU when the IS187x device MCU is awake or when the physical layer is operating. The user can enable this parameter to set up and use the device active indication enable parameter as an available GPIO pin.
Note: This parameter only works when the IS187x device is set up for Auto Operation mode.
Table 12-18. Device Active Indication Enable Parameter Options
ParameterValueParameter DescriptionLength
Bit 1System option 3 Bit[1]
  • 0 – Only indicates when physical layer is active
  • 1 – Only Indicates when the IS187x device’s MCU and physical layer is active
1 bit