Renesas rl78 User Manual

Page of 1004
 
RL78/G1A 
 
CHAPTER  5   CLOCK  GENERATOR 
R01UH0305EJ0200  Rev.2.00 
 
 
173  
Jul 04, 2013 
Table 5-3.  CPU Clock Transition and SFR Register Setting Examples (5/5) 
 
(11) 
  STOP mode (H) set while CPU is operating with high-speed on-chip oscillator clock (B) 
 
 
  STOP mode (I) set while CPU is operating with high-speed system clock (C) 
 
(Setting sequence) 
 
Status Transition 
Setting 
(B) 
→ (H) 
 
− 
In X1 oscillation 
Sets the OSTS 
register 
(C) 
→ (I) 
External main 
system clock 
Stopping peripheral 
functions that are 
disabled in STOP mode 
− 
Executing STOP 
instruction 
 
 
 
(12)   CPU changing from STOP mode (H) to SNOOZE mode (J) 
 
For details about the setting for switching from the STOP mode to the SNOOZE mode, see 11.8 SNOOZE Mode 
Function12.5.7 SNOOZE mode function and 12.6.3  SNOOZE mode function
 
Remark   (A) to (J) in Table 5-3 correspond to (A) to (J) in Figure 5-15. 
 
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