參數(shù)資料
型號(hào): μPD780021
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(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 36/64頁(yè)
文件大?。?/td> 487K
代理商: ΜPD780021
36
μ
PD780021, 780022, 780023, 780024
Preliminary Data Sheet
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Input voltage,
V
IH1
P10 to P17, P21, P24, P35,
V
DD
= 2.7 to 5.5 V
0.7 V
DD
V
DD
V
high
P40 to P47, P50 to P57,
0.8 V
DD
V
DD
V
P64 to P67, P74, P75
V
IH2
P00 to P03, P20, P22, P23, P25,
V
DD
= 2.7 to 5.5 V
0.8 V
DD
V
DD
V
P34, P36, P70 to P73, RESET
0.85 V
DD
0.7 V
DD
V
DD
5.5
V
V
V
IH3
P30-P33
V
DD
= 2.7 to 5.5 V
(N-ch open-drain)
0.8 V
DD
5.5
V
V
IH4
X1, X2
V
DD
= 2.7 to 5.5 V
V
DD–
0.5
V
DD
V
V
DD–
0.2
V
DD
V
DD
V
V
IH5
XT1, XT2
V
DD
= 4.5 to 5.5 V
0.8 V
DD
V
0.9 V
DD
V
DD
V
Input voltage,
V
IL1
P10 to P17, P21, P24, P35,
V
DD
= 2.7 to 5.5 V
0
0.3 V
DD
V
low
P40 to P47, P50 to P57,
0
0.2 V
DD
V
P64 to P67,
P74, P75
V
IL2
P00 to P03, P20, P22, P23, P25,
V
DD
= 2.7 to 5.5 V
0
0.2 V
DD
V
P34, P36, P70 to P73, RESET
0
0.15 V
DD
V
V
IL3
P30 to P33
4.5 V
V
DD
5.5 V
0
0.3 V
DD
V
2.7 V
V
DD
<
4.5 V
0
0.2 V
DD
V
1.8 V
V
DD
<
2.7 V
0
0.1 V
DD
V
V
IL4
X1, X2
V
DD
=
2.7 to 5.5 V
0
0.4
V
0
0.2
V
V
IL5
XT1, XT2
V
DD
= 4.5 to 5.5 V
0
0.2 V
DD
V
0
0.1 V
DD
V
Output voltage,
V
OH
V
DD
= 4.5 to 5.5 V, I
OH
= –1mA
V
DD
–1.0
V
DD
V
high
I
OH
= –100
μ
A
V
DD
–0.5
V
DD
V
Output voltage,
V
OL1
P30 to P33, P50 to P57
V
DD
= 4.5 to 5.5 V,
0.4
2.0
V
low
I
OL
= 15 mA
P00 to P03, P20 to P25, P34 to P36,
V
DD
= 4.5 to 5.5 V,
0.4
V
P40 to P47, P64 to P67, P70 to P75
I
OL
= 1.6 mA
V
OL2
I
OL
= 400
μ
A
0.5
V
DC Characteristics (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
Remark
Unless specified otherwise, alternate-function pin characteristics are the same as port pin characteristics.
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