SH7125 Datasheet, PDF (74/782 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer

Section 3 MCU Operating Modes
3.5 Initial State in This LSI
In the initial state of this LSI, some of on-chip modules are set in module standby state for saving
power. When operating these modules, clear module standby state according to the procedure in
section 19, Power-Down Modes.
3.6 Note on Changing Operating Mode
When changing operating mode while power is applied to this LSI, make sure to do it in the
power-on reset state (that is, the low level is applied to the RES pin).
MD1
RES
t_MDS*
Note: * See section 21.3.2, Control Signal Timing.
Figure 3.4 Reset Input Timing when Changing Operating Mode
Rev. 3.00 Sep. 27, 2007 Page 54 of 758
REJ09B0243-0300