Programmable Logic


Full-featured EPROM and flash memory emulators

22 May 2002 Programmable Logic

Ceibo's multiROM Series ROM emulators are advanced debugging tools for embedded systems. The multiROM Series ROM emulators are full-featured EPROM and flash memory emulators - ie EPROM or flash memory programming during the application development process is no longer required.

These ROM emulators seamlessly replace the EPROM or flash memory of the system under development, thus allowing a very fast uploading of the user's code directly onto the instrument's built-in emulation memory. During the emulation, the uploaded code can be watched, edited and analysed in realtime.

The emulators are connected to the host PC through a standard parallel port, giving faster transfer rates than commonly-used serial ports. The multiROM Series ROM emulators' pod is simply inserted into the target's memory socket - the emulators are independent from the target microprocessor, and the emulation of every EPROM or flash memory (in DIP, PLCC, TSOP or PSOP package) is completely transparent and straightforward.

Support for virtually every device

The multiROM emulators emulate up to 16 Mb devices, with data bus widths of 8 and 16 bits. Memory access time is guaranteed to be less than 60 ns. They can emulate 2,7 V, 3,3 V and 5 V devices, and thanks to their internal circuitry no external adapter is needed, thus ensuring no increase in memory access time. With multiROM pods and adapters, virtually any device can be emulated.

Realtime emulation (live accessing) allows the host PC to transparently view/edit the memory under emulation in realtime. This does not affect the target's memory access timings (no wait states inserted).

The multiROM package includes emulation cables, a DIP-32 emulation pod, a test board, Reset and Trigger Out grabbers, parallel cable, user interface software and user's manual. The multiROM emulator is Win9x/Me/2000/NT compatible, and has dimensions 195 x 115 x 30 mm.



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