Renesas RL78/G13 - Changing Count Clock

RL78/G13 Safety Function (Frequency Detection)
5.8.19 Changing Count Clock
Figure 5.22 shows the flowchart for changing the count clock.
Stop channel 5 of TAU0
R_TAU0_Channel5_Stop()
Ye s
No
HOCO clock =
TAU0_COUNT_C
LOCK_1?
clock 
TAU0_COUNT_CLOCK_2
clock

TAU0_COUNT_CLOCK_1
clock: Variable which contains HOCODIV register
settings
Change HOCO clock
R_Main_HOCO_
Change(clock)
Check HOCODIV register settings.
Ye s
No
HOCO clock =
TAU0_COUNT_C
LOCK_1?
Turn LED2 off
Turn LED2 on
return
R_Main_fCLK_Change()
Figure 5.22 Changing Count Clock
R01AN0956EJ0100 Rev. 1.00 Page 50 of 70
Feb. 27, 2012