382
CHAPTER 24 ELECTRICAL SPECIFICATIONS
User
’
s Manual U14701EJ3V0UD
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
(minimum instruction
execution time)
T
CY
Operating with main
system clock
4.5 V
≤
V
DD
≤
5.5 V
0.2
16
μ
s
2.7 V
≤
V
DD
< 4.5 V
0.4
16
μ
s
1.8 V
≤
V
DD
< 2.7 V
1.6
16
μ
s
Operating with subsystem clock
103.9
Note 1
122
125
μ
s
TI00, TI01 input
high-/low-level width
t
TIH0
t
TIL0
3.5 V
≤
V
DD
≤
5.5 V
2/f
sam
+
0.1
Note 2
μ
s
2.7 V
≤
V
DD
< 3.5 V
2/f
sam
+
0.2
Note 2
μ
s
1.8 V
≤
V
DD
< 2.7 V
2/f
sam
+
0.5
Note 2
μ
s
TI4 input frequency
f
TI4
V
DD
= 2.7 to 5.5 V
0
4
MHz
V
DD
= 1.8 to 5.5 V
0
275
kHz
TI4 input
high-/low-level width
t
TIH4
t
TIL4
V
DD
= 2.7 to 5.5 V
100
ns
V
DD
= 1.8 to 5.5 V
1.8
μ
s
TI50, TI51, TI52 input
frequency
f
TI5
V
DD
= 2.7 to 5.5 V
0
4
MHz
V
DD
= 1.8 to 5.5 V
0
275
kHz
TI50, TI51, TI52 input
high-/low-level width
t
TIH5
t
TIL5
V
DD
= 2.7 to 5.5 V
100
ns
V
DD
= 1.8 to 5.5 V
1.8
μ
s
Interrupt request input
high-/low-level width
t
INTH
t
INTL
INTP0 to INTP5, P40 to
P47
V
DD
= 2.7 to 5.5 V
1
μ
s
V
DD
= 1.8 to 5.5 V
2
μ
s
RESET
low-level width
t
RSL
10
μ
s
Notes 1.
Value when using the 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 available with 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.