Datasheet

Section 5 Clock Pulse Generator
Page 132 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
OSCHLT
BAKCLK
φOSC
φbase
Operation at main oscillator clock
φOSC stops
Clock
switching
time
Operation at backup destination clock
[Legend]
φOSC: Main oscillator clock
OSCHLT: Main oscillator clock stop detection signal
BAKCLK: Backup destination clock
φbase: System base clock
Figure 5.9 Timing of Backup Operation When Main Oscillator Stops at Low Level
(When the backup destination clock is active)