Texas Instruments TMS320C3x - Manual (Page 569)

Low-Power Idle IDLE2
13-111 Assembly Language Instructions
For correct device operation, the three instructions after a delayed
branch should not be IDLE or IDLE2 instructions.
Cycles 1
Status Bits LUF Unaffected
LV Unaffected
UF Unaffected
N Unaffected
Z Unaffected
V Unaffected
C Unaffected
OVM Operation is not affected by OVM bit value.
Example IDLE2 ; The processor idles until a reset
; or interrupt occurs.
Mode Bit