參數(shù)資料
型號(hào)： M38257M8-080FP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 61/70頁(yè)
文件大?。?/td> 607K
代理商： M38257M8-080FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
61
Table 38. Timing reguirements 1 (Low power source Version)
(V
CC
= 4.0 to 5.5 V, V
SS =
0 V, T
a
= –20 to 85
°
C, unless otherwise noted.)
2
125
45
40
250
105
105
80
80
800
370
370
220
100
Note :
When f(X
IN
) = 8 MHz and bit 6 of address 001A
16
is “1” (Clock synchronous).
Divide this value by four when f(X
IN
) = 8 MHz and bit 6 of address 001A
16
is “0” (UART).
Reset input “L” pulse width
Main clock input cycle time (X
IN
input)
Main clock input “H” pulse width
Main clock input “L” pulse width
CNTR
0
, CNTR
1
input cycle time
CNTR
0
, CNTR
1
input “H” pulse width
CNTR
0
, CNTR
1
input “L” pulse width
INT
0
to INT
3
input “H” pulse width
INT
0
to INT
3
input “L” pulse width
Serial I/O clock input cycle time (Note)
Serial I/O clock input “H” pulse width (Note)
Serial I/O clock input “L” pulse width (Note)
Serial I/O input set up time
Serial I/O input hold time
t
w(RESET)
t
c(X
IN
)
t
wH(X
IN
)
t
wL(X
IN
)
t
c(CNTR)
t
wH(CNTR)
t
wL(CNTR)
t
wH(INT)
t
wL(INT)
t
c(S
CLK
)
t
wH(S
CLK
)
t
wL(S
CLK
)
t
su(R
X
D–S
CLK
)
t
h(S
CLK
–R
X
D)
Symbol
Parameter
Limits
Typ.
Min.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
Max.
Table 39. Timing reguirements 2 (Low power source Version)
(V
CC
= 2.2 to 4.0 V, V
SS =
0 V, T
a
= –20 to 85
°
C, unless otherwise noted.)
Note:
When f(X
IN
) = 8 MHz and bit 6 of address 001A
16
is “1” (Clock synchronous).
Divide this value by four when f(X
IN
) = 8 MHz and bit 6 of address 001A
16
is “0” (UART).
2
125
45
40
900 /
(V
CC
– 0.4)
450 /
(V
CC
– 0.4) – 20
450 /
(V
CC
– 0.4) – 20
230
230
2000
950
950
400
200
Reset input “L” pulse width
Main clock input cycle time (X
IN
input)
Main clock input “H” pulse width
Main clock input “L” pulse width
CNTR
0
, CNTR
1
input cycle time
CNTR
0
, CNTR
1
input “H” pulse width
CNTR
0
, CNTR
1
input “L” pulse width
INT
0
to INT
3
input “H” pulse width
INT
0
to INT
3
input “L” pulse width
Serial I/O clock input cycle time (Note)
Serial I/O clock input “H” pulse width (Note)
Serial I/O clock input “L” pulse width (Note)
Serial I/O input set up time
Serial I/O input hold time
t
w(RESET)
t
c(X
IN
)
t
wH(X
IN
)
t
wL(X
IN
)
t
c(CNTR)
t
wH(CNTR)
t
wL(CNTR)
t
wH(INT)
t
wL(INT)
t
c(S
CLK
)
t
wH(S
CLK
)
t
wL(S
CLK
)
t
su(R
X
D–S
CLK
)
t
h(S
CLK
–R
X
D)
Symbol
Parameter
Limits
Min.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
Typ.
Max.
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