UPD750064CU datasheet(38/82 Pages) NEC

номер детали	UPD750064CU

подробное описание детали	4-BIT SINGLE-CHIP MICROCONTROLLERS

PDF	82 Pages

Scroll/Zoom	100%

производитель	NEC [NEC]

домашняя страница	http://www.nec.com/

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µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

Data Sheet U10165EJ2V0DS00

9. RESET FUNCTION

There are two reset inputs: external reset signal (RESET) and reset signal sent from the basic interval timer/

watchdog timer. When either one of the reset signals are input, an internal reset signal is generated. Figure 9-

1 shows the configuration of the above two inputs.

Figure 9-1. Configuration of Reset Function

RESET

Internal reset signal

Reset signal sent from the

basic interval timer/watchdog timer

WDTM

Internal bus

When the RESET signal is generated, each hardware is initialized as listed in Table 9-1. Figure 9-2 shows

the timing chart of the reset operation.

Figure 9-2. Reset Operation by RESET Signal Generation

Operation mode or

standby mode

WaitNote

RESET

signal

generated

Operation mode

HALT mode

Internal reset operation

Note

The following two times can be selected by the mask option.

217/fX (21.8 ms: @6.0-MHz operation, 31.3 ms: @4.19-MHz operation)

215/fX (5.46 ms: @6.0-MHz operation, 7.81 ms: @4.19-MHz operation)

UPD750064CU датащи(PDF) 38 Page - NEC