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467
CHAPTER 25 ELECTRICAL SPECIFICATIONS
User’s Manual U15798EJ2V0UD
AC characteristics
(1) Basic operation (T
A
=
−
40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Cycle time
T
CY
Operating with main system clock
4.5 V
≤
V
DD
≤
5.5 V
0.2
16
µ
s
(minimum instruction
2.7 V
≤
V
DD
< 4.5 V
0.4
16
µ
s
execution time)
1.8 V
≤
V
DD
< 2.7 V
1.6
16
µ
s
Operating with subsystem clock
When source oscillation 103.9
122
125
µ
s
is operating
Note 1
(1.8 V
≤
V
DD
≤
5.5 V)
When
×
4 multiplication 28.57 30.52
31.25
µ
s
is operating
(2.7 V
≤
V
DD
≤
5.5 V)
TI00, TI01 input
t
TIH0
,
4.5 V
≤
V
DD
≤
5.5 V
2/f
sam
+
µ
s
high-/low-level width
t
TIL0
0.1
Note 2
2.7 V
≤
V
DD
< 4.5 V
2/f
sam
+
µ
s
0.2
Note 2
1.8 V
≤
V
DD
< 2.7 V
2/f
sam
+
µ
s
0.5
Note 2
TMIB0 input
f
TIB
2.7 V
≤
V
DD
≤
5.5 V
0
4
MHz
frequency
1.8 V
≤
V
DD
< 2.7 V
0
275
kHz
TMIB0 input high-/
t
TIHB
,
2.7 V
≤
V
DD
≤
5.5 V
125
ns
low-level width
t
TILB
1.8 V
≤
V
DD
< 2.7 V
1.8
µ
s
TI50, TI51 input
f
TI5
2.7 V
≤
V
DD
≤
5.5 V
0
4
MHz
frequency
1.8 V
≤
V
DD
< 2.7 V
0
275
kHz
TI50, TI51 input
t
TIH5
,
2.7 V
≤
V
DD
≤
5.5 V
100
ns
high-/low-level width
t
TIL5
1.8 V
≤
V
DD
< 2.7 V
1.8
µ
s
Interrupt request input
t
INTH
,
INTP0 to INTP6, P40 to P43
2.7 V
≤
V
DD
≤
5.5 V
1
µ
s
high-/low-level width
t
INTL
1.8 V
≤
V
DD
< 2.7 V
2
µ
s
RESET low-level
t
RSL
2.7 V
≤
V
DD
≤
5.5 V
10
µ
s
width
1.8 V
≤
V
DD
< 2.7 V
20
µ
s
Notes 1.
Value when using an external clock. When using a crystal resonator, the value becomes 114
µ
s (MIN.).
2.
Selection of f
sam
= f
X
, f
X
/4, f
X
/64 is possible using bits 0 and 1 (PRM00, PRM01) of prescaler mode register
0 (PRM0). However, if the TI00 valid edge is selected as the count clock, the value becomes f
sam
=
f
X
/8.
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