RX610 Group
8. Low Power Consumption
R01UH0032EJ0120 Rev.1.20
Page 191 of 1006
Feb 20, 2013
8.5.2.2
Release from All-Module Clock Stop Mode
Release from all-module clock stop mode is triggered by an external interrupt (the NMI pin or any pin from among IRQ0
to IRQ15), the signal on the RES# pin, or an internal interrupt (from an 8-bit timer*
1
or the watchdog timer), and normal
program execution resumes once handling of the given exception is complete. However, note that in cases where a
maskable interrupt has been masked by the CPU (the priority level*
2
of the interrupt has been set to a value lower than
that of the IPL[2:0] bits*
3
in PSW of the CPU) or a maskable interrupt has been set up as a trigger for transfer by the
DTC or DMAC, the interrupt will not trigger release from all-module clock stop mode.
Notes: 1 The MSTPA4 and MSTPA5 bits of register MSTPCRA select operation or stopping of these modules.
2. For details, see section 10, Interrupt Control Unit (ICU).
3. For details, see section 2, CPU.