PD17012_15 Datasheet, PDF (173/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
(2) When wait operation is performed
For details of the wait operation, refer to 15.7.
(a) Wait status with value of clock counter reaching “8” (normal operation)
Shift ^H
clock pin _L
Wait released status
Contents of output latch
Wait status
1/fsc
Wait
Wait release
(b) If forced wait is executed in wait status
Shift ^H
clock pin
L
Contents of
output latch
Wait period
Contents of output latch
Wait period
Forced wait
by SIO1TS
(c) If forced wait is executed when wait status is released
At this time, the clock counter is reset.
Shift ^H
Contents of output latch
clock pin _L
Wait release status
Wait status
1/fsc
Forced wait by SIO1TS
Wait release
Shift ^H
Contents of output latch
clock pin _L
Wait release status
Wait status
1/fsc
Forced wait by SIO1TS
Wait release
(d) If wait status is released in wait release status
The clock output waveform is not changed at this time.
The clock counter is not reset. However, do not change the clock frequency during wait release.
Data Sheet U10101EJ4V0DS
171