參數(shù)資料
型號(hào): UPD178018A
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁(yè)數(shù): 34/56頁(yè)
文件大?。?/td> 314K
代理商: UPD178018A
34
μ
PD178004A, 178006A, 178016A, 178018A
AC CHARACTERISTICS
(1) BASIC OPERATION
(T
A
= –40 to +85
°
C, V
DD
= 3.5 to 5.5 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Cycle time
(Minimum instruction
T
CY
f
XX
= f
X
/2
Note 1
, f
X
= 4.5 MHz operation
0.89
14.22
μ
s
f
XX
= f
X
Note 2
,
f
X
= 4.5 MHz operation
4.5
V
DD
5.5 V
0.44
7.11
μ
s
execution time)
3.5
V
DD
< 4.5 V
0.89
7.11
μ
s
TI1, TI2 input
frequency
f
TI
4.5
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
,
4.5
V
DD
5.5 V
111
ns
t
TIL
3.5 V
V
DD
4.5 V
1.8
μ
s
Interrupt input high/
T
INTH
,
INTP0
8/f
sam
Note 3
μ
s
low-level width
T
INTL
INTP1 to INTP6
10
μ
s
RESET low level
width
t
RSL
10
μ
s
Notes
1.
When oscillation mode selection (OSMS) register is set at 00H.
2.
When OSMS is set at 01H.
3.
In combination with bits 0 (SCS0) and 1 (SCS1) of sampling clock select register (SCS), selection
of f
sam
is possible between f
XX
/2
N
, f
XX
/32, f
XX
/64 and f
XX
/128 (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)
C
C
μ
s
C
C
μ
s
60
10
2.0
1.0
0.5
0.4
0
1
2
3
4
5
6
Power Supply Voltage V
DD
[V]
Operation
Guaranteed
Range
60
10
2.0
1.0
0.5
0.4
0
1
2
3
4
5
6
Power Supply Voltage V
DD
[V]
Operation
Guaranteed
Range
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