h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 737
h8s-2138
Manufacturer Part Number
h8s-2138
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2138.pdf
(1061 pages)
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Notes: When a transition is made between modes by means of an interrupt, transition cannot be made
Program execution state
SLEEP instruction
SSBY = 1, PSS = 1,
DTON = 1, LSON = 0
Clock switching
exception handling
after oscillation
setting time
(STS2 to STS0)
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 whenever
RES goes low.
From any state, a transition to hardware standby mode occurs when STBY goes low.
When a transition is made to watch mode or subactive mode, high-speed mode must be set.
1. NMI, IRQ0 to IRQ2, IRQ6, IRQ7, and WDT1 interrupts
2. NMI, IRQ0 to RQ7, and WDT0 interrupts, WDT1 interrupt, TMR0 interrupt,
3. All interrupts
4. NMI, IRQ0 to IRQ2, IRQ6, IRQ7
TMR1 interrupt
SCK2 to
SCK0
Subactive mode
Medium-speed
(main clock)
(main clock)
Reset state
High-speed
(subclock)
mode
0
mode
: Transition after exception handling
SCK2 to
SCK0
RES pin = high
SLEEP instruction
SSBY = 1, PSS = 1,
DTON = 1, LSON = 1
Clock switching
exception handling
Figure 24.1 Mode Transitions
0
STBY pin = high
RES pin = low
SLEEP instruction
Any interrupt *
External
interrupt *
Interrupt *
LSON bit = 0
SLEEP
instruction
Interrupt *
SLEEP
instruction
SLEEP
instruction
Interrupt *
LSON bit = 1
Rev. 4.00 Jun 06, 2006 page 683 of 1004
SLEEP
instruction
4
2
1
,
1
3
,
Section 24 Power-Down State
SSBY = 0, LSON = 0
Program-halted state
PSS = 0, LSON = 0
PSS = 1, DTON = 0
PSS = 1, LSON = 1
STBY pin = low
Subsleep mode
standby mode
standby mode
Watch mode
Sleep mode
(main clock)
: Power-down mode
(subclock)
(subclock)
Hardware
SSBY = 1
SSBY = 1
SSBY = 0
Software
REJ09B0301-0400
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