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EV80C196KB Microcontroller Evaluation Board User's Manual -27-
-POLL, -SIGNAL
These two options control how the host software detects whether or not the user's
code is running. If poll mode is selected then the host will periodically poll the target
with a REPORT-STATUS
command. This takes no additional hardware but forces
the target to waste instruction cycles responding to the poll. The signaling mode
avoids this overhead but requires that the target set the Ring Indicator modem
control line whenever it is running user code. The user interface will then check this
line before it issues a REPORT
STATUS command. If neither of these options is
selected then the signal mode isselected as a default. On the EV80C196KB the
OUT1 # pin of the 82510 is used to generate this running signal. Therefore, the
signal mode is recommend.
RESET SYSTEM
RES SYSTEM
RESET
RES
This command and its abbreviations will reset the entire target hardware system if
the target system is implemented to support this operation.
On the EV80C196KB
jumper shunt E20 must be installed from B to C for this command to work properly.
This command operates by dropping the DTR modem control line. This comes into
the target as DSR. After dropping DTR the iECM-96 software will wait about 1
second to allow the target to complete its initialization routines. The iECM-96 will
politely warn of this time delay and then ignore the user until it expires.
Unless
special precautions are taken in the design of the target system, any data in RAM
(including downloaded object code) may be corrupted by the reset. On the
EV80C196KB, the RAM contents should not be affected by a RESET.
DOS
This command enables you to temporarily leave iECM-96 and return to DOS. Once
you have suspended iECM, you may perform other functions in DOS, including
using other software programs, such as ASM-96, as long as there is sufficient mem-
ory to do so.
To reenter iECM, type
exit
at the DOS prompt. iECM will return with all conditions in
effect at the time it was suspended.
QUIT
This command will close any files that iECM-96 has opened and exit to DOS. Note
that this command can be used even if the target is running. iECM-96 sets the
selected COM port to 9600 baud, 8 bits, no parity, and one STOP bit. The port will
be left in this state by iECM-96 when control is returned to DOS.
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