UPD64A datasheet(25/64 Pages) NEC

部件名	UPD64A

功能描述	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

PDF	64 Pages

Scroll/Zoom	100%

制造商	NEC [NEC]

网页	http://www.nec.com/

标志

25 / 64 page

µPD64A, 65

Data Sheet U14380EJ2V0DS00

5.3 Standby Mode Release Timing

(1) STOP Mode Release Timing

Figure 5-1. STOP Mode Release by Release Condition

Caution When a release condition is established 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 5-2. HALT Mode Release by Release Condition

HALT mode

OPERATING mode

Oscillation

OPERATING

mode

HALT instruction

(HALT mode)

Standby

release signal

Clock

Wait

(52/fX +

α)

HALT mode

OPERATING

mode

STOP mode

Oscillation

stopped

Oscillation

OPERATING

mode

Oscillation

HALT instruction

(STOP mode)

Standby

release signal

Clock

α : Oscillation growth time

UPD64A 数据表(PDF) 25 Page - NEC

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