h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1049

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h8s-2635

Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
When the
state. The same applies in the case of a reset caused by overflow of the watchdog timer.
When the
Figure 23B-2 shows the timing for transition to and clearance of medium-speed mode.
23B.4 Sleep Mode
23B.4.1 Sleep Mode
When the SLEEP instruction is executed when the SBYCR SSBY bit = 0 and the LPWRCR
LSON bit = 0, the CPU enters the sleep mode. In sleep mode, CPU operation stops but the
contents of the CPUís internal registers are retained. Other supporting modules do not stop.
23B.4.2 Exiting Sleep Mode
Sleep mode is exited by any interrupt, or signals at the
Exiting Sleep Mode by Interrupts: When an interrupt occurs, sleep mode is exited and interrupt
exception processing starts. Sleep mode is not exited if the interrupt is disabled, or interrupts other
than NMI are masked by the CPU.
HD6432638UF, HD64F2638WF, HD6432638WF, HD64F2639UF, HD6432639UF, HD64F2639WF,
B
R E S
S T B Y
Figure 23B-2 Medium-Speed Mode Transition and Clearance Timing
Section 23B Power-Down Modes [HD64F2636UF, HD6432636UF, HD64F2638UF,
pin is set low and medium-speed mode is cancelled, operation shifts to the reset
HD6432639WF, HD64F2630UF, HD6432630UF, HD64F2630WF, HD6432630WF]
pin is driven low, a transition is made to hardware standby mode.
R E S
Rev. 6.00 Feb 22, 2005 page 989 of 1484
, or
S T B Y
pins.
REJ09B0103-0600

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