Rev. 1.0, 02/00, page 548 of 1141
3. SLEEP Instruction 3
When the trap address is the next instruction to the SLEEP instruction, this puts in the SLEEP
mode after execution of the SLEEP instruction, and the SLEEP mode is cancelled by the
address trap interrupt and transition is made to the exception handling. The address to be
stacked is 0282.
φ
Address bus
Interrupt
request
signal
Start of
exception
handling
0280
SP-2 SP-4
0282
027E NOP
0280 SLEEP
0282 NOP
0284 NOP
: :
*
SLEEP
execution
SLEEP mode
SLEEP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
Note:
*
Trap setting address
The underlines address is the one to be actually stacked.
Figure 25.18 SLEEP Instruction (3)