Section 19 Power-Down Modes
Rev. 3.00 Sep. 27, 2007 Page 669 of 758
REJ09B0243-0300
19.4 Sleep
Mode
19.4.1
Transition to Sleep Mode
Executing the SLEEP instruction when the STBY bit in STBCR1 is 0 causes a transition from the
program execution state to sleep mode. Although the CPU halts immediately after executing the
SLEEP instruction, the contents of its internal registers remain unchanged. The on-chip peripheral
modules continue to operate.
19.4.2 Canceling
Sleep
Mode
Sleep mode is canceled by a reset.
(1) Canceling with Reset
Sleep mode is canceled by a power-on reset with the
RES
pin, a manual reset with the
MRES
pin,
or an internal power-on/manual reset by WDT. Do not cancel sleep mode with an interrupt.
Summary of Contents for SH7124 R5F7124
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