參數(shù)資料
型號(hào)： M37548G1FP
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 66/73頁
文件大?。?/td> 1255K
代理商： M37548G1FP
Rev.2.00
REJ03B0210-0200
Mar 15, 2007
Page 66 of 70
7548 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Timing Requirements
Timing requirements (1)
(V
CC
= 4.0 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTES:
1. As for CAP
0
, it is the value when noise filter is not used.
2. In this time, bit 6 of the serial I/O control register (address 001A
16
) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O control register is “0” (clock asynchronous serial I/O is selected), the rating values are divided by 4.
Timing requirements (2)
(V
CC
= 2.4 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTES:
1. As for CAP
0
, it is the value when noise filter is not used.
2. In this time, bit 6 of the serial I/O control register (address 001A
16
) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O control register is “0” (clock asynchronous serial I/O is selected), the rating values are divided by 4.
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
INT
0
, INT
1
, CAP
0
input “H” pulse width (Note 1)
INT
0
, INT
1
, CAP
0
input “L” pulse width (Note 1)
Serial I/O clock input cycle time (Note 2)
Serial I/O clock input “H” pulse width (Note 2)
Serial I/O clock input “L” pulse width (Note 2)
Serial I/O input set up time
Serial I/O input hold time
Symbol
Parameter
Limits
Unit
Min.
2
125
50
50
80
80
800
370
370
220
100
Typ.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
______
t
W
(RESET)
t
C
(X
IN
)
t
WH
(X
IN
)
t
WL
(X
IN
)
t
WH
(INT
0
)
t
WL
(INT
0
)
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)
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
INT
0
, INT
1
, CAP
0
input “H” pulse width (Note 1)
INT
0
, INT
1
, CAP
0
input “L” pulse width (Note 1)
Serial I/O clock input cycle time (Note 2)
Serial I/O clock input “H” pulse width (Note 2)
Serial I/O clock input “L” pulse width (Note 2)
Serial I/O input set up time
Serial I/O input hold time
Symbol
Parameter
Limits
Unit
Min.
2
250
100
100
230
230
2000
950
950
400
200
Typ.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
______
t
W
(RESET)
t
C
(X
IN
)
t
WH
(X
IN
)
t
WL
(X
IN
)
t
WH
(INT
0
)
t
WL
(INT
0
)
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)
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