SH7760 Datasheet, PDF(552/1345 Page) Renesas Technology Corp – SuperHTM RISC engine

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SH7760 Datasheet, PDF (552/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

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(c) Software standby â Manual reset

Oscillation stops

Reset

CKIO

RESET (High)

MRESET*1

STATUS Normal*2

Standby*3 Undefined

Reset*4

Normal*2

0â30 Bcyc*5

0â20 Bcyc*5

Notes: 1. When standby mode is exited by means of a manual reset, a WDT count is not

performed. Hold MRESET low for the PLL oscillation stabilization time.

2. Normal : LL (STATUS1 is low and STATUS0 is low)

3. Standby : LH (STATUS1 is low and STATUS0 is high)

4. Reset : HH (STATUS1 is high and STATUS0 is high)

5. Bcyc : Bus clock cycle

Figure 14.5 STATUS Output in Sequence of Software Standby â Manual Reset

(3) In Exit from Sleep Mode

(a) Sleep â Interrupt

Interrupt request

CKIO

STATUS

Normal*1

Sleep*2

Normal*1

Notes: 1. Normal : LL (STATUS1 is low and STATUS0 is low)

2. Sleep : HL (STATUS1 is high and STATUS0 is low)

Figure 14.6 STATUS Output in Sequence of Sleep â Interrupt

Rev. 1.0, 02/03, page 502 of 1294

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