SH7713 datasheet(348/904 Pages) RENESAS

348 / 904 page

Section 10 Power-Down Modes

Rev.1.50 Aug. 30, 2006 Page 308 of 860

REJ09B0288-0150

• Software standby mode is canceled by a power-on reset

CKIO

STATUS

*1 If a standby mode is canceled by a power on reset, the WDT stops counting.

RESETP must be kept low for the PLL oscillation stabilization time.

*2 reset : HH (STATUS1 = High, STATUS0 = High)

*3 standby : LH (STATUS1 = Low, STATUS0 = High)

*4 normal : LL (STATUS1 = Low, STATUS0 = Low)

*5 Bcyc : Bus clock cycle

Notes:

Undefined

0 to 30 Bcyc *5

0 to 10 Bcyc

normal

standby

reset

normal

RESETP

CKIO2

Oscillation stops

Reset

Figure 10.5 STATUS Output when Software Standby Mode is Canceled by Power-on Reset

• Software standby mode is canceled by a manual reset

CKIO

STATUS

If a standby mode is canceled by a power on 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:

normal

standby

reset

0 to 20 Bcyc *5

normal

RESETM

CKIO2

Figure 10.6 STATUS Output when Software Standby Mode is Canceled by Manual Reset

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