Renesas 4513 Informacje Techniczne Pobierz pdf (Strona 50)

4513/4514 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

RESET FUNCTION

System reset is performed by applying “L” level to RESET pin for

1 machine cycle or more when the following condition is satisfied;

the value of supply voltage is the minimum value or more of the

recommended operating conditions.

Then when “H” level is applied to RESET pin, software starts from

address 0 in page 0.

Fig. 32 Reset release timing

Fig. 33 RESET pin input waveform and reset operation

RESET

0.3V

0.85V

Software starts

(address 0 in page 0)

f(X

) is counted 16892 to

16895 times.

(Note)

Note: Keep the value of supply voltage to the minimum value

or more of the recommended operating conditions.

Reset input

1 machine cycle or more

f(X

)

RESET

Software starts

(address 0 in page 0)

f(X

)

is counted 16892 to

16895 times.

(Note)

Note: It depends on the internal state of the microcomputer

when reset is performed.

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Renesas 4513 Informacje Techniczne Strona 50