Rev. 6.2
Micronet SmarTab 8 – Hardware Guide
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Serial Communication
The enhanced cradle supports four serial communication ports for external devices connections, and a
debug port connected to the MCU Co-Processor. These ports support various hardware and software flow
control functions. For more information about the interface signals, please see the signal map
Serial Port 1 (COM1)
The enhanced cradle supports an (EIA) RS-232 level serial communication on its port. It provides TX and
RX signals at 300 up to 115,200 bps. The serial port provides one pair of communication control handshake
CTS/RTS signals.
Serial Ports 2-4 (COM2-4)
The enhanced cradle supports EIA-RS232 level serial communication ports 2-4. The ports support a baud
rate of 300 to 115,200 bps and provide the TX and RX signals only.
Debug Serial Port (COM7)
The enhanced cradle supports the EIA-RS232 level serial communication port for Co-Processor debugging
purposes. The port supports a baud rate of 300 to 115,200bps and provides the TX and RX signals only.
USB Communication
USB HOST
The enhanced cradle is a USB HOST. The USB Host interface supports the following profiles:
•
USB Standard HID
•
USB Printer (PCL)
•
USB Storage USB CLIENT
The USB Client interface supports Android ADB for application development and device management.
The USB Client port provides Android’s ADB connectivity and supports:
•
Device configuration
•
Management tools
•
Application development
•
Debugging caution
There are two ways to use the USB Client:
•
Through the Micronet SmarTab 8 USB TYPE-C connector on the left panel.
