參數(shù)資料
型號(hào): DS80CH11
英文描述: System Energy Manager
中文描述: 系統(tǒng)能量管理器
文件頁(yè)數(shù): 78/88頁(yè)
文件大?。?/td> 598K
代理商: DS80CH11
DS80CH11
011200 78/88
13.3.3 EXTERNAL CLOCK CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
=5.0
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Clock High Time
t
CHCX
20
ns
Clock Low Time
t
CLCX
20
ns
Clock Rise Time
t
CLCH
10
ns
Clock Fall Time
t
CHCL
10
ns
13.3.4 SERIAL PORT MODE 0 TIMING
CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
=5.0
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Serial Port Clock Cycle Time
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
t
XLXL
12t
CLCL
4t
CLCL
ns
ns
Output Data Setup to Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
t
QVXH
10t
CLCL
3t
CLCL
ns
ns
Output Data Hold from Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
t
XHQX
2t
CLCL
t
CLCL
ns
ns
Input Data Hold after Clock Rising
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
t
XHDX
t
CLCL
t
CLCL
ns
ns
Clock Rising Edge to Input
Data Valid
SM2=0, 12 clocks per cycle
SM2=1, 4 clocks per cycle
t
XHDV
11t
CLCL
3t
CLCL
ns
ns
EXPLANATION OF AC SYMBOLS
In an effort to remain compatible with the original 8051 family, this device specifies the same parameters as such
devices, using the same symbols. For completeness, the following is an explanation of the symbols.
t
A
C
D
H
L
I
P
Q
R
V
W
X
Z
Time
Address
Clock
Input data
Logic level high
Logic level low
Instruction
PSEN
Output data
RD signal
Valid
WR signal
No longer a valid logic level
Tri–state
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