Renesas RL78/G1H, User Manual

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RL78/G1H CHAPTER 10 12-BIT INTERVAL TIMER
R01UH0575EJ0120 Rev. 1.20 Page 266 of 920
Dec 22, 2016
10.4.2 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 10 - 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 10 - 6 ).
Figure 10 - 6 Procedure of entering to HALT or STOP mode after setting RINTE to 1
Count operation is started.
RINTE = 1?
Return from HALT mode
Return from STOP mode
RINTE = 1
HALT instruction executed
STOP instruction executed
Confirm count operation
is started.
Enter HALT or
STOP mode
No
Example 1
Yes
Return from HALT mode
Return from STOP mode
RINTE = 1
HALT instruction executed
STOP instruction executed
Enter HALT or
STOP mode
Example 2
Wait for at least one cycle
of the count clock
At least one cycle of the
count clock after returned
from HALT or STOP
mode