Datasheet

Section 20 Electrical Characteristics
Rev. 3.00 Sep. 14, 2006 Page 338 of 408
REJ09B0105-0300
20.3.3 AC Characteristics
Table 20.13 AC Characteristics
V
CC
= 2.7 V to 5.5 V, V
SS
= 0.0 V, T
a
= –20°C to +75°C, unless otherwise specified.
Values
Item Symbol
Applicable
Pins
Test
Condition
Min. Typ. Max. Unit
Reference
Figure
System clock
oscillation
frequency
f
OSC
OSC1, OSC2 2.0 — 12.0 MHz
1 — 64 t
OSC
System clock (φ)
cycle time
t
cyc
— — 32.0 µs
*
Figure 20.1
Instruction cycle
time
2 — — t
cyc
Oscillation
stabilization time
(crystal resonator)
t
rc
OSC1, OSC2 — — 10.0 ms
Oscillation
stabilization time
(ceramic resonator)
t
rc
OSC1, OSC2 — — 5.0 ms
External clock high
width
t
CPH
OSC1 35.0 — — ns
External clock low
width
t
CPL
OSC1 35.0 — — ns
External clock rise
time
t
CPr
OSC1 — — 15.0 ns
External clock fall
time
t
CPf
OSC1 — — 15.0 ns
Figure 20.1
RES pin low width* t
REL
RES 2500 — — ns Figure 20.2
NMI pin high width t
IHNMI
NMI 1500 — — ns
NMI pin low width t
ILNMI
NMI 1500 — — ns
Figure 20.3
Input pin high width t
IH
IRQ0 , IRQ3,
WKP5,TMCIV,
TMRIV, TRGV,
ADTRG, FTCI,
FTIOA to FTIOD
2 — — t
cyc
Figure 20.3
Note: * Except when power-on reset circuit is used.