CHAPTER 22 ELECTRICAL SPECIFICATIONS (TARGET)
Preliminary User’s Manual U19014EJ1V0UD
493
AC Characteristics
(1) Basic
operation
(T
A
=
−
40 to +85
°
C, 4.0 V
≤
V
DD
= EV
DD
≤
5.5 V, V
SS
= EV
SS
= 0 V)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.0 V
≤
V
DD
≤
5.5 V
0.125
2.6
µ
s
Instruction cycle (minimum
instruction execution time)
T
CY
Main system clock (f
XP
)
operation
2.7 V
≤
V
DD
< 4.0 V
0.25
2.6
µ
s
External main system clock
frequency
f
EXCLK
4.0
V
≤
V
DD
≤
5.5 V
16.0
MHz
External main system clock input
high-level width, low-level width
t
EXCLKH
,
t
EXCLKL
(1/f
EXCLK
×
1/2)
−
1
ns
TI000, TI010 input high-level
width, low-level width
t
TIH0
,
t
TIL0
4.0 V
≤
V
DD
≤
5.5 V
2/f
sam
+
0.1
Note
µ
s
TI50, TI51 input frequency
f
TI5
4.0
V
≤
V
DD
≤
5.5 V
10
MHz
TI50, TI51 input high-level width,
low-level width
t
TIH5
,
t
TIL5
4.0 V
≤
V
DD
≤
5.5 V
50
ns
Interrupt input high-level width,
low-level width
t
INTH
,
t
INTL
1
µ
s
RESET low-level width
t
RSL
10
µ
s
Note
f
sam
: sampling clock.
Selection of f
sam
= f
PRS
or f
PRS
/4 is possible using bits 0 and 1 (PRM000 and PRM001) of prescaler mode
register 00 (PRM00). Note that when selecting the TI000 valid edge as the count clock, f
sam
= f
PRS.
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