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Renesas RL78/G10 User Manual

Renesas RL78/G10
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RL78/G10 CHAPTER 16 STANDBY FUNCTION
R01UH0384EJ0311 Rev. 3.11 527
Dec 22, 2016
(2) HALT mode release
The HALT mode can be released by the following two sources.
(a) Release by unmasked interrupt request
When an unmasked interrupt request is generated, the HALT mode is released. If interrupt acknowledgment is
enabled, vectored interrupt servicing is carried out. If interrupt acknowledgment is disabled, the next address
instruction is executed.
Figure 16-1. HALT Mode Release by Interrupt Request Generation
HALT
instruction
Operating modeHALT modeOperating mode
Oscillation
High-speed system clock
Note 3
or
High-speed on-chip oscillator clock
Status of CPU
Standby release
signal
Note 1
Interrupt
request
Wait
Note 2
Notes 1. For details of the standby release signal, see Figure 14-1 Basic Configuration of Interrupt
Function.
2. Wait time for HALT mode release: When vectored interrupt servicing is carried out: 28 to 29 clocks
When vectored interrupt servicing is not carried out: 20 to 21 clocks
3. 16-pin products only.
Remark The broken lines indicate the case when the interrupt request which has released the standby mode is
acknowledged.

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Renesas RL78/G10 Specifications

General IconGeneral
BrandRenesas
ModelRL78/G10
CategoryMotherboard
LanguageEnglish

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