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參數(shù)資料
| 型號： | CR16MES544VE |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 16位微控制器 |
| 英文描述： | Family of CompactRISC 16-Bit Microcontrollers |
| 中文描述： | 家庭CompactRISC 16位微控制器 |
| 文件頁數(shù)： | 96/99頁 |
| 文件大?。?/td> | 449K |
| 代理商： | CR16MES544VE |
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96
t
X2l
36
X2 low time, external clock
Input setup time
ISE
Input hold time
ISE, NMI, RXD1, RXD2
Reset time
At 0.8V level (both edges)
Before R.E. CLK
0.5 Tclk - 500
t
Is
42
12
t
Ih
42
After R.E. CLK
0
t
RST
43
Reset active to reset end
4Tclk
Input Signals
Input Pulse Width
1*Tclk+13
USART Input Signals
t
Is
39
Input setup time
RXDn (asynchronous mode)
Input hold time
RXDn (asynchronous mode)
CKXn input period
(synchronous mode)
RDXn setup time
(synchronous mode)
RDXn hold time
(synchronous mode)
Before R.E. CLK
12
t
Ih
39
After R.E. CLK
0
t
CLKX
40
200
t
RXS
40
Before F.E. CKX in synchronous mode
4
t
RXH
40
After F.E. CKX in synchronous mode
2
MICROWIRE / SPI Input Signals
t
MSKh
t
MSKl
42
42
42
43
42
42
42
43
42
43
MICROWIRE Clock High
MICROWIRE Clock Low
MICROWIRE Clock Period
At 2.0V (both edges)
At 0.8V (both edges)
MnIDL bit = 0; R.E. MSK to next R.E. MSK
MIDL bit = 1; F.E. MSK to next F.E. MSK
After MCS becomes inactive
Before MCS becomes active
MIDL bit = 0: After F.E. MSK
MIDL bit = 1: After R.E. MSK
MIDL bit = 0: Before R.E. MSK
MIDL bit = 1: Before F.E. MSK
80
80
t
MSKp
200
t
MSKh
t
MSKs
MSK Hold (slave only)
MSK Setup (slave only)
MCS Hold (slave only)
40
80
t
MCSh
40
t
MCSs
MCS Setup (slave only)
80
t
MDIh
42
MICROWIRE Data In Hold (master) Normal Mode: After R.E. MSK
0
44
Alternate Mode: After F.E. MSK
Normal Mode: After R.E. MSK
Alternate Mode: After F.E. MSK
Normal Mode: Before R.E. MSK
Alternate Mode: Before F.E. MSK
42
MICROWIRE Data In Hold (slave)
40
44
t
MDIs
42
MICROWIRE Data In Setup
80
44
Multi-Function Timer Input Signals
tTAH
47
47
47
47
TnA High Time
TnA Low Time
TnB High Time
TnB Low Time
R.E. CLK
R.E. CLK
R.E. CLK
R.E. CLK
T
CLK
+5
T
CLK
+5
T
CLK
+5
T
CLK
+5
tTAL
tTBH
tTBL
a. Only when operating with an external square wave on X2CKI; otherwise a 32 kHz crystal network must be used
between X2CKI and X2CKO. If the slow clock is internally generated from the fast clock, it may not exceed this
given limit.
Table 24
Input Signal Requirements
Symbol Figure
Description
Reference
Min (ns)
Max (ns)
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PDF描述 |
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| CR16MES544VI | Family of CompactRISC 16-Bit Microcontrollers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CR16MES544VI | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES9 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944V8 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944VE | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
| CR16MES944VI | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers |
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