RL78/G1P
CHAPTER 5 CLOCK GENERATOR
R01UH0895EJ0100 Rev.1.00
122
Nov 29, 2019
Table 5-3. CPU Clock Transition and SFR Register Setting Examples (3/3)
(5)
HALT mode (D) set while CPU is operating with high-speed on-chip oscillator clock (B)
HALT mode (E) set while CPU is operating with high-speed system clock (C)
Status Transition
Setting
(B)
(D)
(C)
(E)
Executing HALT instruction
(6)
STOP mode (F) set while CPU is operating with high-speed on-chip oscillator clock (B)
STOP mode (G) set while CPU is operating with high-speed system clock (C)
(Setting sequence)
Status Transition
Setting
(B)
(F)
Stopping peripheral
functions that cannot
operate in STOP mode
Executing
STOP
instruction
(C)
(G)
In X1 oscillation
Sets the OSTS
register
External main
system clock
(7) CPU changing from STOP mode (F) to SNOOZE mode (H)
For details about the setting for switching from the STOP mode to the SNOOZE mode, see
9.8 SNOOZE Mode
Function
,
11.5.7 SNOOZE mode function (CSI00)
and
11.7.3 SNOOZE mode function
.
Remark
(A) to (H) in Table 5-3 correspond to (A) to (H) in Figure 5-14.