HD64F3039F18 Datasheet, PDF (542/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 17 Power-Down State
17.5.3 Timing for Hardware Standby Mode
Figure 17.2 shows the timing relationships for hardware standby mode. To enter hardware standby
mode, first drive RES low, then drive STBY low. To exit hardware standby mode, first drive
STBY high, wait for the clock to settle, then bring RES from low to high.
Clock
oscillator
RES
STBY
Oscillator
settling time
Reset
exception
handling
Figure 17.2 Hardware Standby Mode Timing
Rev.3.00 Mar. 26, 2007 Page 518 of 682
REJ09B0353-0300