參數(shù)資料
型號: UPD75402
廠商: NEC Corp.
英文描述: 4 BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 32/48頁
文件大?。?/td> 515K
代理商: UPD75402
32
μ
PD75402A(A)
Typ.
Max.
32
32
Min.
0.95
3.8
10
10
Unit
μ
s
μ
s
μ
s
μ
s
μ
s
Note 2
AC CHARACTERISTICS
(T
a
= –40 to +85 C, V
DD
= 2.7 to 6.0 V, V
SS
= 0 V)
Notes 1.
The cycle time of the CPU clock (
Φ
)
(minimum instruction execution time)
depends on the connected resonator
frequency and the setting of the proc-
essor clock control register (PCC).
The figure on the right side shows
the cycle time t
CY
characteristics for
the supply voltage V
DD
.
This value is 2t
CY
or 128/f
XX
according
to the setting of the interrupt mode
register (IM0).
2.
Symbol
t
CY
t
INTH
, t
INTL
t
RSL
Parameter
CPU clock cycle time
Note 1
(minimum instruction execu-
tion time = one machine cycle)
Interrupt input high/low level
width
RESET low-level width
Conditions
V
DD
= 4.5 to 6.0 V
INT0
INT2
Guaranteed operating
range
40
32
7
6
5
4
3
2
1
0.5
0
1
2
3
4
5
6
Supply voltage V
DD
[V]
C
C
t
CY
vs. V
DD
μ
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