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B standby mode is canceled by a manual reset – Renesas SH7641 User Manual

Page 226

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Section 6 Power-Down Modes

Rev. 4.00 Sep. 14, 2005 Page 176 of 982

REJ09B0023-0400

B Standby mode is canceled by a manual reset

CKIO

STATUS

1.

2.
3.
4.
5.

If a standby mode is canceled by a manual reset, the WDT stops counting.
RESETM must be kept low for the PLL oscillation stabilization time.
reset : HH (STATUS1 = High, STATUS0 = High)
standby : LH (STATUS1 = Low, STATUS0 = High)
normal : LL (STATUS1 = Low, STATUS0 = Low)
Bcyc : Bus clock cycle

Oscillation stops

Reset

Notes:

*

2

*

4

*

3

normal

standby

reset

*

1

0 to 20 Bcyc *

5

*

4

normal

RESETM

Figure 6.4 STATUS Output When Software Standby Mode is Canceled by a Manual Reset

3. Sleep Mode

A Sleep mode is canceled by an interrupt

CKIO

STATUS

1. sleep : HL (STATUS1 = High, STATUS0 = Low)
2. normal : LL (STATUS1 = Low, STATUS0 = Low)

Notes:

*

2

*

2

*

1

normal

sleep

normal

Interrupt request

Figure 6.5 STATUS Output when Sleep Mode is Canceled by an Interrupt

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