Ceibo's FE-5131 is a development system that supports Atmel AT89C5131 microcontrollers with 6/12 clocks/cycle at any frequency allowed by the devices. It is serially linked to a PC or compatible systems and can emulate the microcontrollers using the built-in clock generator. Emulation is carried out by loading the system with the user software and an embedded monitor program. FE-5131 locates the monitor in the upper 1K of the code memory space.
Atmel AT89C5131A silicon changes are now supported by a hardware revision of FE-5131 emulator. The previous emulator version also supports AT89C5131A and AT89C5131, but only with AT89C5131 installed on it. Adapters for the new QFN-32 package are also available.
Two working modes are available: realtime and simulator. In the realtime mode the user software is executed transparently and without interfering with the microcontroller speed. Breakpoints can be added to stop program execution at a specific address. Realtime trace is available. The simulation mode does not implement all the chip options and it is intended only for software debugging of the basic 8051 functions.
The software includes C and Assembler Source Level Debugger, Online Assembler and Disassembler, Trace, Conditional Breakpoints and many other features. The system is supplied with Windows debugger software, RS232 cable and a power supply.
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