UPD6P8 datasheet(40/101 Pages) RENESAS

40 / 101 page

µPD6P8, 6P8A, 6P8B

Data Sheet U17848EJ5V0DS

6.3 Standby Mode Release Timing

(1) STOP mode release timing

Figure 6-1. STOP Mode Release by Release Condition

Note The wait time is as follows.

•

µPD6P8: 10 + 286/fX + Oscillation growth time (µs)

•

µPD6P8A: 10 + 1024/fX + Oscillation growth time (µs)

•

µPD6P8B: 10 + 1024/fX (µs)

Caution When a release condition is met in the STOP mode, the device is released from the STOP mode,

and goes into a wait state. At this time, if the release condition is not held, the device goes

into STOP mode again after the wait time has elapsed. Therefore, when releasing the STOP

mode, it is necessary to hold the release condition longer than the wait time.

(2) HALT mode release timing

Figure 6-2. HALT Mode Release by Release Condition

WaitNote

HALT mode

Operation

mode

STOP mode

Oscillation

stopped

Oscillation

Operation

mode

Oscillation

HALT instruction

(STOP mode)

Standby

release signal

Clock

HALT mode

Operation mode

Oscillation

Operation

mode

HALT instruction

(HALT mode)

Standby

release signal

Clock

UPD6P8 Datasheet(PDF) 40 Page - Renesas Technology Corp

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