SH7137 Datasheet, PDF (80/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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 24, 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).
CK
MD1, MD0
RES
t_MDS*
Note: * See section 26.3.2, Control Signal Timing.
Figure 3.3 Reset Input Timing when Changing Operating Mode
Rev. 2.00 Sep. 10, 2008 Page 54 of 1130
REJ09B0402-0200