參數(shù)資料
型號: 38D5
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
文件頁數(shù): 105/141頁
文件大?。?/td> 2027K
代理商: 38D5
Rev.3.01
REJ03B0158-0301
Aug 08, 2007
Page 105 of 134
38D5 Group
NOTE:
1. When bit 6 of address 001A
16
is “1” (clock synchronous).
Divide this value by four when bit 6 of address 001A
16
is “0” (UART).
Table 32
Timing requirements (2)
(V
CC
= 1.8 to 4.0 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
Symbol
Parameter
Limits
Typ.
Unit
Min.
2
125
166
Max.
t
W
(RESET)
t
C
(X
IN
)
Reset input “L” pulse width
Main clock input cycle time
(X
IN
input)
μ
s
ns
ns
2.0V
V
CC
<
4.0V
V
CC
<
2.0V
2.0V
V
CC
<
4.0V
V
CC
<
2.0V
2.0V
V
CC
<
4.0V
V
CC
<
2.0V
2.0V
V
CC
<
4.0V
V
CC
<
2.0V
t
WH
(X
IN
)
Main clock input “H” pulse width
50
ns
70
50
ns
ns
t
WL
(X
IN
)
Main clock input “L” pulse width
70
ns
t
C
(CNTR)
CNTR
0
, CNTR
1
input cycle time
1000/
V
CC
1000/(5
×
V
CC-8)
tc(CNTR)/2-20
tc(CNTR)/2-20
230
230
2000
950
950
400
200
2000
950
950
400
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
WH
(CNTR)
t
WL
(CNTR)
t
WH
(INT)
t
WL
(INT)
t
C
(S
CLK1
)
t
WH
(S
CLK1
)
t
WL
(S
CLK1
)
t
su
(R
X
D-S
CLK1
) Serial I/O1 input setup time
th(S
CLK1-
R
X
D
)
Serial I/O1 input hold time
t
C
(S
CLK2
)
Serial I/O2 clock input cycle time
t
WH
(S
CLK2
)
Serial I/O2 clock input “H” pulse width
t
WL
(S
CLK2
)
Serial I/O2 clock input “L” pulse width
t
su
(S
IN2
-S
CLK2
)
Serial I/O2 input setup time
t
h
(S
CLK2
-S
IN2
)
Serial I/O2 input hold time
CNTR
0
, CNTR
1
input “H” pulse width
CNTR
0
, CNTR
1
input “L” pulse width
INT
00
, INT
01
, INT
10
, INT
11
, INT
2
input “H” pulse width
INT
00
, INT
01
, INT
10
, INT
11
, INT
2
input “L” pulse width
Serial I/O1 clock input cycle time
(1)
Serial I/O1 clock input “H” pulse width
(1)
Serial I/O1 clock input “L” pulse width
(1)
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