參數(shù)資料
型號: μPD780021Y
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)
文件頁數(shù): 38/66頁
文件大小: 453K
代理商: ΜPD780021Y
μ
PD780021Y, 780022Y, 780023Y, 780024Y
Preliminary Data Sheet
38
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Input leakage
current, high
I
LIH1
V
IN
= V
DD
P00 to P03, P10 to P17, P20 to P25,
P34 to P36, P40 to P47, P50 to P57,
P60 to P67, P70 to P75,
RESET
3
μ
A
I
LIH2
X1, X2, XT1, XT2
20
μ
A
I
LIH3
V
IN
= 5.5 V
P30 to P33
80
μ
A
Input leakage
current, low
I
LIL1
V
IN
= 0 V
P00 to P03, P10 to P17, P20 to P25,
P34 to P36, P40 to P47, P50 to P57,
P64 to P67, P70 to P75,
RESET
–3
μ
A
I
LIL2
X1, X2, XT1, XT2
–20
μ
A
I
LIL3
P30 to P33
–3
Note
μ
A
Output leakage
current, high
I
LOH
V
OUT
= V
DD
3
μ
A
Output leakage
current, low
I
LOL
V
OUT
= 0 V
–3
μ
A
Mask option
pull-up resistor
R
1
V
IN
= 0 V,
P30, P31
15
30
90
k
Software pull-
up resistor
R
2
V
IN
= 0 V,
P00 to P03, P20 to P25, P34 to P36, P40 to P47,
P50 to P57, P64 to P67, P70 to P75
15
30
90
k
DC Characteristics (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
Note
When the pull-up resistor is not included in P30 to P33 (specified by a mask option), a –200
μ
A (MAX.) low-
level input leakage current flows only at the 3-clock interval (no wait) when the read instruction to port 3
(P3) and port mode register 3 (PM3) is executed. At times other than this 3-clock interval, a –3
μ
A (MAX.)
current flows.
Remark
Unless specified otherwise, alternate-function pin characteristics are the same as port pin character-
istics.
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