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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 5 CLOCK GENERATOR<br />

Table 5-5. CPU Clock Transition and SFR Register Setting Examples (6/6)<br />

(11) STOP mode (H) set while CPU is operating with high-speed on-chip oscillator clock (B)<br />

STOP mode (I) set while CPU is operating with high-speed system clock (C)<br />

(B) (H)<br />

(C) (I)<br />

(Setting sequence)<br />

Status Transition Setting<br />

Stopping peripheral<br />

functions that cannot<br />

<br />

In X1 oscillation<br />

operate in STOP mode<br />

Sets the OSTS<br />

register<br />

External main<br />

system clock<br />

(12) CPU changing from STOP mode (H) to SNOOZE mode (J)<br />

R01UH0317EJ0004 Rev. 0.04 308<br />

Feb. 22, 2013<br />

<br />

Executing STOP<br />

instruction<br />

For details about the setting for switching from the STOP mode to the SNOOZE mode, see 11.8 SNOOZE Mode<br />

Function, 12.5.7 SNOOZE mode function and 12.6.3 SNOOZE mode function.<br />

Remark (A) to (J) in Table 5-5 correspond to (A) to (J) in Figure 5-20.

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