4553 datasheet(128/145 Pages) RENESAS

128 / 145 page

Rev.3.02

Dec 22, 2006

page 128 of 142

REJ03B0024-0302

4553 Group

f(XIN)

f(XCIN)

f(CNTR)

tw(CNTR)

TPON

Oscillation frequency

(with a ceramic resonator)

Oscillation frequency

(at RC oscillation) (Note)

Oscillation frequency

(with a ceramic oscillation selected,

external clock input)

Oscillation frequency (sub-clock)

Timer external input frequency

Timer external input period

(“H” and “L” pulse width)

Power-on reset circuit

valid supply voltage rising time

Conditions

MHz

kHz

µs

Max.

4.4

2.2

1.1

4.4

2.2

4.4

4.8

3.2

1.6

0.8

4.8

3.2

1.6

4.8

3.2

4.8

f(STCK)/6

100

Limits

Through mode

Frequency/2 mode

Frequency/4 mode

Frequency/8 mode

VDD = 2.7 to 5.5 V

Through mode

Frequency/2 mode

Frequency/4 mode

Frequency/8 mode

Quartz-crystal oscillator

CNTR

VDD = 0

→ 1.8 V

Min.

3/f(STCK)

Typ.

RECOMMENDED OPERATING CONDITIONS 2

(Mask ROM version: Ta = –20 °C to 85 °C, VDD = 1.8 to 5.5 V, unless otherwise noted)

Parameter

Symbol

Unit

Note: The frequency is affected by a capacitor, a resistor and a microcomputer. So, set the constants within the range of the frequency limits.

VDD = 4 to 5.5 V

VDD = 2.7 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

VDD = 2.7 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

VDD = 4 to 5.5 V

VDD = 2.7 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

VDD = 2.7 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

VDD = 2 to 5.5 V

VDD = 1.8 to 5.5 V

4553 Datasheet(PDF) 128 Page - Renesas Technology Corp

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