參數(shù)資料
型號: DS80C411-FNY
英文描述: Network Microcontrollers with Ethernet and CAN
中文描述: 網(wǎng)絡(luò)微控制器與以太網(wǎng)和CAN
文件頁數(shù): 5/102頁
文件大?。?/td> 2637K
代理商: DS80C411-FNY
DS80C410/DS80C411 Network Microcontrollers with Ethernet and CAN
EXTERNAL CLOCK OSCILLATOR (XTAL1) CHARACTERISTICS
PARAMETER
5 of 102
SYMBOL
MIN
See
External Clock
Oscillator Frequency
0.45 t
CLK
MAX
UNITS
Clock Oscillator Period
t
CLK
Clock Symmetry at 0.5 x V
CC3
Clock Rise Time
Clock Fall Time
t
CH
t
CR
t
CF
0.55 t
CLK
3
3
ns
ns
ns
EXTERNAL CLOCK DRIVE
SYSTEM CLOCK TIME PERIODS (t
CLCL
, t
CHCL
, t
CLCH
)
SYSTEM CLOCK SELECTION
SYSTEM CLOCK HIGH (t
CHCL
) AND
SYSTEM CLOCK LOW (t
CLCH
)
MIN
0.45 (t
CLK
/ 4)
0.45 (t
CLK
/ 2)
0.45 t
CLK
0.45 (256 t
CLK)
4X/
1
0
X
X
2X
CD1
0
0
1
1
CD0
0
0
0
1
SYSTEM CLOCK
PERIOD t
CLCL
MAX
t
CLK
/ 4
t
CLK
/ 2
t
CLK
256 t
CLK
0.55 (t
CLK
/ 4)
0.55 (t
CLK
/ 2)
0.55 t
CLK
0.55 (256 t
CLK)
Note 1:
Figure 21
shows a detailed description and illustration of the system clock selection.
Note 2:
When an external clock oscillator is used in conjunction with the default system clock selection (CD1:CD0 = 10b), the
minimum/maximum system clock high (t
CHCL
) and system clock low (t
CLCH
) periods are directly related to clock oscillator duty cycle.
MOVX CHARACTERISTICS (MULTIPLEXED ADDRESS/DATA BUS) (Note 1)
(V
CC3
= 3.0V to 3.6V, V
CC1
= 1.8V ±10%, T
A
= -40 C to +85°C.)
PARAMETER
SYMBOL
MIN
MAX
UNITS
STRETCH VALUES
C
ST
(MD2:0)
C
ST
= 0
1 C
ST
3
4 C
ST
7
C
ST
= 0
1 C
ST
3
4 C
ST
7
C
ST
= 0
1 C
ST
3
4 C
ST
7
C
ST
= 0
1 C
ST
7
C
ST
= 0
1 C
ST
7
C
ST
= 0
1 C
ST
7
t
CLCL
+ t
CHCL
- 5
2t
CLCL
- 5
6t
CLCL
- 5
t
CHCL
- 5
t
CLCL
- 6
5t
CLCL
- 6
t
CLCH
- 2
t
CLCL
- 2
5t
CLCL
- 2
2t
CLCL
- 5
(4 x C
ST
) t
CLCL
- 3
2t
CLCL
- 5
(4 x C
ST
) t
CLCL
- 3
MOVX ALE Pulse Width
t
LHLL2
ns
Port 0 MOVX Address Valid
to ALE Low
t
AVLL2
ns
Port 0 MOVX Address Hold
after ALE Low
t
LLAX2
and t
LLAX3
ns
RD
Pulse Width (P3.7 or
PSEN
)
t
RLRH
ns
WR
Pulse Width (P3.6)
t
WLWH
ns
2t
CLCL
- 18
(4 x C
ST
) t
CLCL
- 18
RD
(P3.7 or
PSEN
) Low to
Valid Data In
Data Hold After
RD
(P3.7 or
PSEN
) High
t
RLDV
ns
t
RHDX
-2
ns
t
CR
t
CF
t
CLK
t
CH
XTAL1
t
CL
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS80C411-FNY+ 功能描述:8位微控制器 -MCU Network MCU w/Ethernet & CAN RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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