参数资料
型号: MSP430F4491IPZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP100
封装: GREEN, PLASTIC, LQFP-100
文件页数: 42/79页
文件大小: 1301K
代理商: MSP430F4491IPZR
MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344G JANUARY 2002 REVISED OCTOBER 2009
47
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical characteristics
VCC(start)
VCC
V(B_IT)
Brownout
Region
V(SVSstart)
V(SVS_IT)
Software Sets VLD>0:
SVS is Active
td(SVSR)
undefined
Vhys(SVS_IT)
0
1
td(BOR)
Brownout
0
1
td(SVSon)
td(BOR)
0
1
Set POR
Brown-
Out
Region
SVS Circuit is Active From VLD > to VCC < V(B_IT)
SVSOut
Vhys(B_IT)
Figure 13. SVS Reset (SVSR) vs Supply Voltage
0
0.5
1
1.5
2
VCC
1 ns
VCC(drop)
t pw
tpw Pulse Width s
V
CC(drop)
V
3 V
1
10
1000
tf
tr
t Pulse Width
s
100
t pw
3 V
tf = tr
Rectangular Drop
Triangular Drop
VCC(drop)
Figure 14. VCC(drop) With a Square Voltage Drop and a Triangle Voltage Drop to Generate an SVS Signal
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相关代理商/技术参数
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