HD64F2636F20 Datasheet, PDF (977/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 23A Power-Down Modes [HD64F2636F, HD64F2638F, HD6432636F,
HD6432638F, HD64F2630F, HD6432630F, HD64F2635F, HD6432635F, HD6432634F]
Reset state
STBY pin = High
RES pin = Low
Program-halted state
STBY pin = Low
Hardware
standby mode
Program execution state
RES pin = High
High-speed mode
(main clock)
SCK2 to
SCK0 = 0
SCK2 to
SCK0 ≠ 0
Medium-speed
mode
(main clock)
SLEEP command
All interrupt
SLEEP
command
External
interrupt *
SSBY = 0, LSON = 0
Sleep mode
(main clock)
SSBY = 1,
PSS = 0, LSON = 0
Software
standby mode
: Transition after exception processing
: Low power dissipation mode
Note: When a transition is made between modes by means of an interrupt, the transition cannot be made
on interrupt source generation alone. Ensure that interrupt handling is performed after accepting the
interrupt request.
From any state except hardware standby mode, a transition to the reset state occurs when RES is
driven low.
From any state, a transition to hardware standby mode occurs when STBY is driven low.
* NMI and IRQ0 to IRQ5
Figure 23A-1 Mode Transition Diagram
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 927 of 1458