UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 147

Manufacturer Part Number

UPD75238GJ

Description

4 BIT SINGLE-CHIP MICROCOMPUTER

Manufacturer

NEC [NEC]

Datasheet

1.UPD75238GJ.pdf (190 pages)

7. RESET FUNCTION

Fig. 7-1 shows the configuration of the reset (RES) signal generator.

Fig. 7-2 shows reset operation.

The output buffer is set to off at the time of a RESET input.

After a reset, the hardware is initialized as indicated in Table 7-1.

Note 31.3 ms at 4.19 MHz.

After a reset, the hardware is initialized as indicated in Table 7-1.

RESET input

RESET

Operation mode or

standby mode

Fig. 7-2 Reset Operation by RESET Input

Fig. 7-1 Reset Signal Generator

Internal reset operation

Wait

(approximately 21.8 ms/6.0 MHz)

HALT mode

Internal reset signal

Note

(RES)

Operation mode

PD75238

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