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LED's
The HYDRA-X10 module incorporates a small number of LEDs for diagnostic purposes. These LED functions
cannot be controlled by the user application. If the user requires the usage of LEDs, these can be added to
the available GPIO resources.
The following table shows the available LEDs and their associated diagnostic function.
LED
Description
D1
USB Voltage. Lights up when an USB link is present at the J8 connection. Driven by the USB's
5V
D2
VSYS (5V). Light up when the PAC5210 device is successfully powered up by VIN.
D3
VIN. Lights up as VIN voltage is applied.
D4
USB to UART TX. Lights up with data transmission to the microcontroller
D5
USB to UART RX. Lights up with data transmission from the microcontroller.
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7
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Rev 1.0 June 2014
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