| By
expanding the processor support of its SDT-Xi range of in-circuit emulators,
embedded systems specialist Noral Micrologics has become one of the first
companies to provide real-time emulation support for both 3 and 5V versions
of Motorola's low-cost 68LC302. |
|
| The 68LC302 is
based on Motorola's 68EC000 CPU core and target applications include internal
and external modems, switching networks, ISDN systems and a variety of portable
and hand held devices. By providing 25MHz, zero wait state (0WS) operation,
Noral's new 68LC302 emulation probe allows even the fastest 68LC302 devices
to be emulated in real time. |
| Connecting
to the target via either a solder block adapter or a Yamaichi socket, the
probe works with Noral's established SDT-Xi emulator and can be used in
conjunction with the company's new Flex high level Windows debugging software.
Functionality offered by the probe/emulator combination includes full support
for the 68LC302's dedicated mode as well as the special SCC boot mode which
allows the processor to be booted from an external source. |
| In
supporting the new processor, Noral has given designers of 68LC302 systems
access to the SDT-Xi emulator's powerful hardware bus-based breakpoint system
and advanced event detect/sequencing features. Both of these reduce the
time spent in identifying and rectifying difficult bugs, the former by providing
information on the exact bus condition and the latter by simplifying the
monitoring of complex event sequences. A 32K by 88-bit real-time and timestamped
trace buffer further simplifies development by capturing target behaviour
during each bus cycle and highlighting timing problems. |
| Designed
to work with the most complex software, the SDT-Xi emulator can be configured
with up to 2MB of 0WS emulation memory, while a high-speed fibre optic communications
interface minimises time spent loading programs into emulation and target
memory. |
| Debugging
time can be further shortened through the use of Noral's new Flex universal
real-time embedded systems debugger for Windows. This software combines
an intuitive, Windows-compliant front end with true compiler independence,
leaving users free to choose their preferred code generating tools. |
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