參數資料
型號: UPD178003GC-XXX-3B9
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數: 33/48頁
文件大小: 334K
代理商: UPD178003GC-XXX-3B9
33
μ
PD178002, 178003
Data Sheet U12628EJ3V0DS00
AC Characteristics
(1) Basic operation (T
A
= –40 to +85
°
C, V
DD
= 3.5 to 5.5 V)
Parameter
Cycle time
(Minimum instruction
execution time)
Symbol
T
CY
Conditions
MIN.
0.89
TYP.
MAX.
14.22
Unit
μ
s
f
XX
= f
X
/2
Note 1
, f
X
= 4.5 MHz operation
f
XX
= f
X
Note 2
,
f
X
= 4.5 MHz operation
4.5 V
V
DD
5.5 V
0.44
7.11
μ
s
3.5 V
V
DD
< 4.5 V
0.89
7.11
μ
s
TI1, TI2 input
frequency
f
TI
4.5 V
V
DD
5.5 V
0
4.5
MHz
3.5 V
V
DD
< 4.5 V
0
275
kHz
TI1, TI2 input high-/
low-level width
t
TIH
,
t
TIL
4.5 V
V
DD
5.5 V
111
ns
3.5 V
V
DD
< 4.5 V
1.8
μ
s
Interrupt input high-/
low-level width
t
INTH
,
t
INTL
INTP0
8/f
sam
Note 3
μ
s
INTP1
10
μ
s
RESET low level
width
t
RSL
10
μ
s
Notes 1.
When the oscillation mode select register (OSMS) is set to 00H.
2.
When OSMS is set to 01H.
3.
Selection of f
sam
= f
XX
/2
N
, f
XX
/32, f
XX
/64, f
XX
/128 is possible with bits 0 (SCS0) and 1 (SCS1) of sampling
clock select register (SCS) (when N = 0 to 4).
Remarks 1.
f
XX
: System clock frequency (f
X
or f
X
/2)
2.
f
X
: System clock oscillation frequency
T
CY
vs. V
DD
(At f
XX
= f
X
/2
system clock operation)
T
CY
vs. V
DD
(At f
XX
= f
X
system clock operation)
60
10
2.0
1.0
0.5
0.4
0
1
2
3
4
5
6
Supply voltage V
DD
[V]
Guaranteed
operation
range
C
C
μ
60
10
2.0
1.0
0.5
0.4
0
1
2
3
4
5
6
Supply voltage V
DD
[V]
Guaranteed
operation
range
C
C
μ
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