H838532H datasheet(432/508 Pages) RENESAS

432 / 508 page

Section 16 Electrical Characteristics

Rev. 1.00 May 30, 2008 Page 412 of 484

REJ09B0436-0100

16.2.3

AC Characteristics

Table 16.3 lists the control signal timing and table 16.4 lists the serial interface timing.

Table 16.3

Control Signal Timing

CC = 2.7 V to 5.5 V, AVCC = 2.7 V to 5.5 V, VSS = AVSS = 0.0 V, unless otherwise specified

Values

Item

Symbol

Applicable

Pins

Min

Typ

Max

Unit

Test Condition

Reference

Figure

System clock

oscillation

frequency

OSC

2.0

—

16.0

MHz

OSC clock (

OSC)

cycle time

OSC

62.5

—

500

(1000)

Figure

16.1*

cyc

—

128

OSC

System clock (

φ)

cycle time

—

128

µs

Subclock oscillation

frequency

1, X2,

EXCL

—

32.768

or 38.4

—

kHz

Watch clock (

cycle time

1, X2,

EXCL

—

30.5 or

26.0

—

µs

Figure

16.1

Subclock (

SUB)

cycle time

subcyc

—

Instruction cycle

time

—

cyc

subcyc

Oscillation

stabilization time

OSC

—

µs

Ceramic resonator

CC = 3.0 to 5.5 V)

—

Ceramic resonator

other than above

—

0.8

Crystal resonator

Figure

16.9

—

Other than above

1, X2

—

2.0

External clock high

width

CPH

OSC

—

Figure

16.1

EXCL

—

15.26 or

13.02

—

µs

Figure

16.1

External clock low

width

CPL

OSC

—

Figure

16.1

EXCL

—

15.26 or

13.02

—

µs

Figure

16.1

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