參數(shù)資料
型號: UPD780024A
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 36/90頁
文件大?。?/td> 660K
代理商: UPD780024A
μ
PD78F0034B, 78F0034BY, 78F0034B(A), 78F0034BY(A)
36
Data Sheet U16369EJ1V0DS
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
(Min. instruction
execution time)
T
CY
Operating with
4.5 V
V
DD
5.5 V
0.166
16
μ
s
main system clock
3.0 V
V
DD
4.5 V
0.238
16
μ
s
2.7 V
V
DD
3.0 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
t
TIH0
, t
TIL0
3.0 V
V
DD
5.5 V
2/f
sam
+0.1
Note 2
μ
s
2.7 V
V
DD
<
3.0 V
2/f
sam
+0.2
Note 2
μ
s
width
1.8 V
V
DD
<
2.7 V
2/f
sam
+0.5
Note 2
μ
s
TI50, TI51 input
frequency
f
TI5
2.7 V
V
DD
5.5 V
0
4
MHz
1.8 V
V
DD
<
2.7 V
0
275
kHz
TI50, TI51 input
t
TIH5
, t
TIL5
2.7 V
V
DD
5.5 V
100
ns
high-/low-level
width
1.8 V
V
DD
<
2.7 V
1.8
ns
Interrupt request
input high-/low-
level width
t
INTH
, t
INTL
INTP0 to INTP3,
2.7 V
V
DD
5.5 V
1
μ
s
P40 to P47
1.8 V
V
DD
<
2.7 V
2
μ
s
RESET
low-level width
t
RSL
2.7 V
V
DD
5.5 V
10
μ
s
1.8 V
V
DD
<
2.7 V
20
μ
s
Notes 1.
Value when the external clock is used. When a crystal resonator is used, it is 114
μ
s (MIN.).
2.
Selection of fsam = 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
fsam = f
X
/8.
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