The
ICS08Z In-Circuit Simulator is a tool which will allow
you to simulate a specific set of Freescale M68ICS08
Kit devices. For example, the ICS08GPZ will simulate
the M68HC908GP20 and GP32. All instructions, interrupts,
and peripherals are simulated. When run with the accompanying
development board, the simulator I/O occurs through
the board itself. Any inputs to the MCU are read from
the board, and any simulator outputs are driven on the
MCU headers of the target board. For instance,
if your code turns the A/D converter on, and reads
one of the channels, the voltage which shows up in
the simulator will be what is on the actual input
pin. Note that your code is never run on the device
itself, only inputs and outputs from the real world
come through the board.
One thing
you will note is that simulation occurs much more
slowly than on the real part. However, the SCI and
SPI signals will operate based on the 4.9152MHz oscillator
on the board. The main advantage of the simulator
is that you can test out code algorithms, and closely
monitor (cycle by cycle) the operation of your code
and the peripherals. To run your code in real-time,
use P&E's ICD08SZ In-Circuit Debugger.
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