Difference between revisions of "Flyswatter2"
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Revision as of 03:13, 18 April 2012
The Flyswatter2 is an high performance USB to JTAG in-circuit debugger and programmer designed for use with ARM and MIPS target devices. It uses the open source OpenOCD (Open On-Chip Debugger) software to provide debugging and in-system programming of embedded target devices.
- USB 2.0 Hi-speed device interface (480 Mbits/sec)
- Can be used to debug and program all ARM and MIPS processors supported by OpenOCD
- Provides a standard ARM 20-pin JTAG interface connector (Male shrouded header, 2 rows x 10 pins)
- Adds a virtual RS232 serial port to your computer or laptop with full modem signals: TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI
- Supports target voltages of: 5.0V, 3.3V, 2.5V, 1.8V, 1.6V (voltage range: 1.6V to 5.0V)
- No external power supply required – the Flyswatter2 gets its power from the computer's USB port
- Uses open source software: OpenOCD - Open On-Chip Debugger debugger software
- Package Includes: Flyswatter2, USB Cable, 12 inch serial cable, and 8 inch 20-pin JTAG ribbon cable
- Compact Size: 3.15 inches (width) x 2.7 inches (length) x 0.8 inches (height)
OpenOCD supports the following ARM cores:
|ARM CORE||EXAMPLE PROCESSORS|
|ARM926EJS||S3C2412, STN8811, STN8815|
|ARM11||S3C6400, OMAP2420, MSM7200|
|CORTEX-M3||LM3S series, STM32 series|
|XSCALE||PXA255, PXA270, IXP42X|
|MARVEL||FEROCEON CPU CORE|
OpenOCD also supports the following MIPS cores (requires a ARM20MIPS14 MIPS JTAG Adapter):
|MIPS CORE||EXAMPLE PROCESSORS|
The Flyswatter provides a standard ARM-compatible 20-pin JTAG interface. The JTAG interface connects to the target device with a 20-pin ribbon cable. This connection enables access to the on-chip debug module which is integrated into the ARM CPU. The debug module enables a programmer to debug the software on an embedded target system.
The second purpose of the JTAG interface is to allow the programming of NOR and NAND FLASH memory devices that are connected to or embedded within the target CPU.
JTAG Connector Pinout
Serial Port Interface
The Flyswatter2's serial port provides you with an independent functional "USB to RS-232" serial device. The serial port is completely independent from OpenOCD on both Linux and Windows. You can use the Flyswatter2's serial port without having to use OpenOCD or JTAG, or you can use it together with OpenOCD and have both a serial port and JTAG interface operating at the same time for debugging and communicating with your target device.
For Linux, the RS232 driver for the FT2232 is part of the main kernel tree and is provided in most standard Linux distributions. In Windows, you have to load the Windows driver for the FT2232. Once the driver is loaded, Windows will assign a virtual COM port to the Flyswatter2's serial port. It operates just like a standard COM port. You can use the Flyswatter2's serial port on laptops or PC's that do not have a 9-pin legacy serial connector.
Supports all standard baud rates: 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Flyswatter2 How To Guides