bdiRDI
JTAG interface for RDI Debuggers, BDI1000 User Manual 22
© Copyright 1999-2003 by ABATRON AG V 1.10
Trap Exceptions ARM9: Select the exceptions that should lead to debug mode entry in-
stead of entering the normal exception handler. The IceBreaker's vector
catch register is used for this.
ARM7: Select the exceptions for which the BDI should install a default
handler. The default handler is simply a software breakpoint. Catching ex-
ceptions is only possible if the memory at address 0x00000000 to
0x0000001F is writable.
Big Endian... Check this switch if the target memory uses Big Endian format.
JTAG Clock This option allows to select the used JTAG clock rate (adaptive needs a
special cable from Abatron, please ask for it).
JTAG Scan Chain The BDI can also handle systems with multiple devices connected to the
JTAG scan chain. In order to put the other devices into BYPASS mode and
to count for the additional bypass registers, the BDI needs some informa-
tion about the scan chain layout. Enter the number and total instruction
register (IR) length of the devices present before the ARM chip (Predeces-
sor). Enter the appropriate information also for the devices following the
ARM chip (Successor).
Transmit Click on this button to send the initialization list and the working mode to
the BDI. This is normally the last step done before the BDI can be used
with the debugging system.
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