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參數(shù)資料
| 型號： | μPD70P083 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8位單片微控制器) |
| 中文描述： | 8位單片機微控制器（8位單片微控制器） |
| 文件頁數(shù)： | 28/56頁 |
| 文件大小： | 390K |
| 代理商： | ΜPD70P083 |
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28
m
PD78P083
Resonator
Recommended
Parameter
Test Conditions
MIN.
TYP.
MAX.
Unit
Circuit
Ceramic
Oscillation frequency
V
DD
= Oscillation voltage
1.0
5.0
MHz
resonator
(f
X
)
Note 1
range
Oscillation stabilization
After V
DD
came to MIN.
4
ms
time
Note 2
of oscillation voltage range
Crystal
Oscillation frequency
1.0
5.0
MHz
resonator
(f
X
)
Note 1
Oscillation stabilization
V
DD
= 4.5 to 5.5 V
10
ms
time
Note 2
30
External clock
X1 input frequency
1.0
5.0
MHz
(f
X
)
Note 1
X1 input high- and
85
500
ns
low-level widths (t
XH
, t
XL
)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Input capacitance
C
IN
f = 1 MHz, Unmeasured pins returned to 0 V.
15
pF
I/O capacitance
C
IO
f = 1 MHz,
P01-P03, P10-P17, P30-P37,
15
pF
Unmeasured pins
P50-P57, P70-P72, P100,
returned to 0 V.
P101
Capacitance
(T
A
= 25°C, V
DD
= V
SS
= 0 V)
Remark
Unless otherwise specified, dual-function pin characteristics are the same as port pin characteristics.
Main System Clock Oscillator Characteristics
(T
A
= –40 to +85°C, V
DD
= 1.8 to 5.5 V)
Notes 1.
Only the oscillator characteristics are shown. For the instruction execution time, refer to
AC Characteristics
.
2.
Time required for oscillation to stabilize after a reset or the STOP mode has been released.
Caution
When using the oscillation circuit of the main system clock, wire the portion enclosed in broken lines
in the figures as follows to avoid adverse influences on the wiring capacitance:
Keep the wiring length as short as possible.
Do not cross the wiring over other signal lines.
Do not route the wiring in the vicinity of lines through which a high fluctuating current flows.
Always keep the ground point of the capacitor of the oscillation circuit at the same potential as V
SS
.
Do not connect the power source pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
V
PP
C1
X1
C2
X2
V
PP
C1
X1
C2
X2
X2
X1
PD74HCU04
m
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