Section 19 Power-Down Modes
Rev. 3.00 Sep. 27, 2007 Page 660 of 758
REJ09B0243-0300
Table 19.1 States of Power-Down Modes
State
Mode Transition
Method
CPG
CPU
CPU
Register
On-Chip
Memory
On-Chip
Peripheral
Modules
Canceling Procedure
Sleep Execute
SLEEP
instruction with STBY
bit in STBCR1
cleared to 0.
Runs Halts Held
Runs
Run
•
Reset
Software
standby
Execute SLEEP
instruction with STBY
bit in STBCR1 and
STBYMD bit in
STBCR6 set to 1.
Halts Halts Held
Halts
(contents
retained)
Halt
•
Interrupt by NMI or
IRQ
•
Power-on reset by
the
RES
pin
Module
standby
Set MSTP bits in
STBCR2 to STBCR5
to 1.
Runs Runs Held
Specified
module halts
(contents
retained)
Specified
module
halts
•
Clear MSTP bit to 0
•
Power-on reset (for
modules whose
MSTP bit has an
initial value of 0)
Note: For details on the states of on-chip peripheral module registers in each mode, refer to
section 20.3, Register States in Each Operating Mode. For details on the pin states in each
mode, refer to appendix A, Pin States.
Summary of Contents for SH7124 R5F7124
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Page 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Page 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Page 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
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