參數(shù)資料
型號: DS80C320-ECL
廠商: DALLAS SEMICONDUCTOR
元件分類: 微控制器/微處理器
英文描述: High-Speed/Low-Power Microcontrollers
中文描述: 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQFP44
封裝: TQFP-44
文件頁數(shù): 31/42頁
文件大小: 1501K
代理商: DS80C320-ECL
DS80C320/DS80C323
31 of 42
DS80C320/DS80C323 EXTERNAL CLOCK CHARACTERISTICS
PARAMETER
SYMBOL
Clock High Time
t
CHCX
Clock Low Time
t
CLCX
Clock Rise Time
t
CLCH
Clock Fall Time
t
CHCL
DS80C320/DS80C323 SERIAL PORT MODE 0 TIMING CHARACTERISTICS
PARAMETER
SYMBOL
MIN
Serial Port Clock Cycle Time
SM2=0 12 clocks per cycle
SM2=1 4 clocks per cycle
Output Data Setup to Clock
Rising Edge
SM2=0 12 clocks per cycle
SM2=1 4 clocks per cycle
Output Data Hold from Clock
Rising
SM2=0 12 clocks per cycle
SM2=1 4 clocks per cycle
Input Data Hold after Clock
Rising
SM2=0 12 clocks per cycle
SM2=1 4 clocks per cycle
Clock Rising Edge to Input
Data Valid
SM2=0 12 clocks per cycle
SM2=1 4 clocks per cycle
EXPLANATION OF AC SYMBOLS
In an effort to remain compatible with the original 8051 family, this device specifies the same parameter
as such devices, using the same symbols. For completeness, the following is an explanation of the
symbols.
t
Time
A
Address
C
Clock
D
Input data
H
Logic level high
L
Logic level low
I
Instruction
P
PSEN
Q
Output data
R
RD
signal
V
Valid
W
WR
signal
X
No longer a valid logic level
Z
Tristate
MIN
10
10
TYP
MAX
5
5
UNITS
ns
ns
ns
ns
NOTES
TYP
12t
CLCL
4t
CLCL
MAX
UNITS
ns
NOTES
t
XLXL
t
QVXH
10t
CLCL
3t
CLCL
ns
t
XHQX
2t
CLCL
t
CLCL
ns
t
XHDX
t
CLCL
t
CLCL
ns
t
XHDV
11t
CLCL
2t
CLCL
ns
相關PDF資料
PDF描述
DS80C320-ENG High-Speed/Low-Power Microcontrollers
DS80C320-ENL High-Speed/Low-Power Microcontrollers
DS80C320-MCG High-Speed/Low-Power Microcontrollers
DS80C320-MCL High-Speed/Low-Power Microcontrollers
DS80C320-MNG High-Speed/Low-Power Microcontrollers
相關代理商/技術參數(shù)
參數(shù)描述
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