HD6413003RF Datasheet, PDF (187/715 Pages) Renesas Technology Corp – Microcontroller (MCU)

Table 7-9 Internal Clock Switchover and RTCNT Operation
CKS2 to CKS0
No. Write Timing
RTCNT Operation
1 Low → low switchover^*1
Old clock
source
New clock
source
RTCNT
clock
RTCNT
2 Low → high switchover^*2
Old clock
source
New clock
source
RTCNT
clock
N
N+1
CKS bits rewritten
RTCNT
N
N+1
N+2
CKS bits rewritten
Notes: 1. Including switchovers from a low clock source to the halted state, and from the halted
state to a low clock source.
2. Including switchover from the halted state to a high clock source.
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