SuperH (SH) 64-bit RISC Series SH-5 System Architecture, Volume ...

PRELIMINARY DATA
84 Reset, panic and debug events
DM.EXP_CAUSE
0x100010
Field Bits Size Volatile? Synopsis Type
PL_INTERRUPT 1 1 ✓ SuperHyway watchpoint interrupt RW
FORCED_DEBUG_
INTERRUPT
Operation
When read
When written
HARD reset 0
This field is set due to a transitory state on the SuperHyway
triggering a bus analyzer watchpoint which has
.ACTION_EXCEPTION set as 1.
Returns current value
Updates value.
Writing 0 will clear the PL_INTERRUPT.
Writing 1 has no effect - any pending SuperHyway interrupts
will not be lost, and subsequent reads will return 1 (unless
the source of the interrupt is unexpectedly removed).
2 1 ✓ Forced debug interrupt RW
Operation
When read
When written
HARD reset 0
Contains 1 if the debug interrupt was raised by writing ‘1’ to
the DM.FORCE_DEBUGINT.FORCE register field (see Section
1.3.4: on page 33).
Returns current value
Updates value.
Writing 0 will clear the forced debug interrupt.
Writing 1 has no effect - any pending forced debug interrupts
will not be lost, and subsequent reads will return 1 (unless
the source of the interrupt is unexpectedly removed).
D R A FT
Table 29: DM.EXP_CAUSE register definition
SuperH, Inc.
SH-5 System Architecture, Volume 3: Debug 05-SA-10003 v1.0