參數(shù)資料
型號: M3851
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits Microcomputer(8位單片機)
中文描述: 單芯片8位單片機(8位單片機)
文件頁數(shù): 48/61頁
文件大小: 904K
代理商: M3851
48
3851 Group
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 19 Switching characteristics 1
(V
CC
= 4.0 to 5.5 V, V
SS
= 0 V, T
a
= –20 to 85 °C, unless otherwise noted)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time (Note 1)
Serial I/O output valid time (Note 1)
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 2)
CMOS output falling time (Note 2)
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
d
(S
CLK
-T
X
D)
t
V
(S
CLK
-T
X
D)
t
r
(S
CLK
)
t
f
(S
CLK
)
t
r
(CMOS)
t
f
(CMOS)
Limits
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Min.
t
C
(S
CLK
)/2–30
t
C
(S
CLK
)/2–30
–30
Typ.
10
10
Max.
140
30
30
30
30
Symbol
Unit
Notes 1:
For t
WH
(S
CLK
), t
WL
(S
CLK
), when the P5
1
/T
X
D P-channel output disable bit of the UART control register (bit 4 of address 001B
16
) is “0”.
2:
The X
OUT
pin is excluded.
Table 20 Switching characteristics 2
(V
CC
= 2.7 to 4.0 V, V
SS
= 0 V, T
a
= –20 to 85 °C, unless otherwise noted)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time (Note 1)
Serial I/O output valid time (Note 1)
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 2)
CMOS output falling time (Note 2)
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
d
(S
CLK
-T
X
D)
t
V
(S
CLK
-T
X
D)
t
r
(S
CLK
)
t
f
(S
CLK
)
t
r
(CMOS)
t
f
(CMOS)
Limits
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Min.
t
C
(S
CLK
)/2–50
t
C
(S
CLK
)/2–50
–30
Typ.
20
20
Max.
350
50
50
50
50
Symbol
Unit
Notes 1:
For t
WH
(S
CLK
), t
WL
(S
CLK
), when the P5
1
/T
X
D P-channel output disable bit of the UART control register (bit 4 of address 001B
16
) is “0”.
2:
The X
OUT
pin is excluded.
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