This section describes how specific components operate on the XC2055 and XC4055
On-Board LEDs
The four on-board LEDs have the following indicators:
| LED | Indication |
|---|---|
| Green power (Pwr) | Displays when the board is powered up and not in reset mode. Flashes during firmware update process. |
| Green file-system activity (Bsy) | Flashes any time there is file-system activity (on any storage device) |
| Blue (WiFi) | Illuminates when WiFi is connected and flashes when searching for a connection |
| Red status (Err) | Flashes a certain number of times to indicate which error is occurring. The flash codes are described below:
|
On-Board Switch / SVC Button
The on-board switch is connected to the GPIO02, which is pulled low when the service (SVC) button is pressed. Conversely, a pull-up on the button normally sets the GPIO02 to be pulled highSVC button is connected to the GPP_D6 GPIO on the processor. The RESET button is also sent to the PMIC (support micro), which when the button is asserted for four seconds will initiate a hard reset.
Reset Switch / GPIO Button
The on-board switch RESET button is connected to the reset circuit. Pressing down the reset button will send an initial signal to the system software and holding the reset button low for approximately 4 seconds will cause the GPP_D5 GPIO on the processor. The RESET button is also sent to the PMIC (support micro), which when the button is asserted for four seconds will initiate a hard reset.
MicroSD Slot
The XC2055 and XC4055 have one MicroSD slot, which supports transfer modes up to UHS-1 DDR50 (50MBytes/second). There is no inherent limit on the storage capacity of MicroSD cards used with the player.. High density memory cards with a capacity of up to 2TB, and SDR104 and microSC3.0 UHS-I ultra-high speed memory cards, are supported
Wireless Module
The XC2055 and XC4055 both have a dual antenna connection. This allows users to install a compatible wireless module without disassembling the unit. This connection has a Bluetooth option.