参数资料
型号: MSP430F2131IDWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 11/57页
文件大小: 1276K
代理商: MSP430F2131IDWR
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439D -- SEPTEMBER 2004 -- REVISED SEPTEMBER 2010
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
POR/brownout reset (BOR) (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
VCC(start)
(see Figure 8)
dVCC/dt ≤ 3V/s
0.7 × V(B_IT--)
V
V(B_IT--)
(see Figure 8 through Figure 10)
dVCC/dt ≤ 3V/s
1.71
V
(see Figure 8)
dV /dt ≤ 3 V/s
-40°C--85°C
70
130
180
mV
Vhys(B_IT--)
(see Figure 8)
dVCC/dt ≤ 3 V/s
105°C
70
130
210
mV
td(BOR)
(see Figure 8)
2000
s
t(reset)
Pulse length needed at RST/NMI pin to
accepted reset internally
2.2 V/3 V
2
s
NOTES: 1. The current consumption of the brownout module is already included in the ICC current consumption data. The voltage level V(B_IT--)
+Vhys(B_IT--) is ≤ 1.8V.
2. During power up, the CPU begins code execution following a period of td(BOR) after VCC =V(B_IT--) +Vhys(B_IT--). The default
DCO settings must not be changed until VCC ≥ VCC(min), where VCC(min) is the minimum supply voltage for the desired
operating frequency.
0
1
t d(BOR)
VCC
V(B_IT--)
Vhys(B_IT--)
VCC(start)
Figure 8. POR/Brownout Reset (BOR) vs Supply Voltage
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