TS-7200

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TS-7200
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Cirrus Logic EP9302
CPU User Guide

1 Overview

The TS-7200 is a compact, full-featured Single Board Computer (SBC) based upon the Cirrus EP9302 ARM9 CPU, which provides a standard set of on-board peripherals.

2 Getting Started

A Linux PC is recommended for development. For developers who use Windows, virtualized Linux using VMWare or virtualbox is recommended in order to make the full power of Linux available. The developer will need to be comfortable with Linux anyway in order to work with embedded Linux on the macrocontroller. The main reasons that Linux is useful are:

  • Linux filesystems on the microSD card can be accessed on the PC.
  • More ARM cross-compilers are available.
  • If recovery is needed, a bootable medium can be written.
  • A network filesystem can be served.

Once you have a development environment, you should continue on and power up the board.

WARNING: Be sure to take appropriate Electrostatic Discharge (ESD) precautions. Disconnect the power source before moving, cabling, or performing any set up procedures. Inappropriate handling may cause damage to the board.

With the TS-7200 there is a terminal block power connector which is removable to expose 2 pins you can also use to supply power.

2.1 Get a Console

The default console is available on the DB9 port using the a 115200 baud, 8n1 connection with no flow control. You also must have JP2 in place in order to enable the console out. You can

Use a null modem cable to connect the ARM system to your workstation. If you do not have a COM port on your system (as many newer systems do not), you can find a USB serial adapter that will bring out RS232.

Console from Linux

There are many serial clients for Linux, but 3 simple ones would be picocom, screen, and minicom. These examples assume that your COM device is /dev/ttyUSB0 (common for USB adapters), but replace them with the COM device on your workstation.

Linux has a few applications capable of connecting to the board over serial. You can use any of these clients that may be installed or available in your workstation's package manager:

Picocom is a very small and simple client.

picocom -b 115200 /dev/ttyUSB0

Screen is a terminal multiplexer which happens to have serial support.

screen /dev/ttyUSB0 115200

Or a very commonly used client is minicom which is quite powerful:

minicom -s
  • Navigate to 'serial port setup'
  • Type "a" and change location of serial device to '/dev/ttyUSB0' then hit "enter"
  • If needed, modify the settings to match this and hit "esc" when done:
     E - Bps/Par/Bits          : 115200 8N1
     F - Hardware Flow Control : No
     G - Software Flow Control : No
  • Navigate to 'Save setup as dfl', hit "enter", and then "esc"

Console from Windows

Putty is a small simple client available for download here. Open up Device Manager to determine your console port. See the putty configuration image for more details.

Device Manager Putty Configuration

You can also telnet to the board with the default network configuration which will provide telnet.