RL78/G15 CHAPTER 7 12-BIT INTERVAL TIMER
R01UH0959EJ0110 Rev.1.10 Page 305 of 765
Mar 7, 2023
7.4.2 Start of count operation and re-enter to HALT/STOP mode after returned
from HALT/STOP mode
When setting the RINTE bit after returned from HALT or STOP mode and entering HALT or STOP mode again, write 1 to
the RINTE bit, and confirm the written value of the RINTE bit is reflected or wait for at least one cycle of the count clock.
Then, enter HALT or STOP mode.
●
After setting RINTE to 1, confirm by polling that the RINTE bit has become 1, and then enter HALT or STOP mode
(see Example 1 in Figure 7-6).
●
After setting RINTE to 1, wait for at least one cycle of the count clock and then enter HALT or STOP mode (see
Example 2 in Figure 7-6).
Figure 7-6. Procedure of entering to HALT or STOP mode after setting RINTE to 1
Return from HALT mode
Return from STOP mode
HALT instruction executed
STOP instruction executed
RINTE = 1?
Example 1
Count operation is started.
Confirm count operation is
started.
Enter HALT or
STOP mode
RINTE = 1
Return from HALT mode
Return from STOP mode
HALT instruction executed
STOP instruction executed
Example 2
RINTE = 1
Wait for at least one cycle of
the count clock
Enter HALT or
STOP mode
At least one cycle of the
count clock after returned
from HALT or STOP mode
Yes
No
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