msp430f2121irge Microchip Technology Inc., msp430f2121irge Datasheet - Page 20

• Manufacturer Part Number: msp430f2121irge
• Description: Msp430
• Manufacturer: Microchip Technology Inc.

MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439C − SEPTEMBER 2004 − REVISED JULY 2006
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
typical characteristics − POR/brownout reset (BOR)
20
Figure 10. V
1.5
0.5
1.5
0.5
Figure 9. V
0.001
0.001
2
1
0
2
1
0
V CC = 3 V
Typical Conditions
V CC = 3 V
Typical Conditions
CC(drop)
CC(drop)
t pw − Pulse Width − µs
t pw − Pulse Width − µs
Level With a Square Voltage Drop to Generate a POR/Brownout Signal
Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
1
1
POST OFFICE BOX 655303
1000
1000
V CC(drop)
•
V CC(drop)
DALLAS, TEXAS 75265
V CC
3 V
V CC
3 V
1 ns
t pw − Pulse Width − µs
t f
t pw − Pulse Width − µs
t pw
t f = t r
t pw
t r
1 ns