参数资料
型号: MSP430F412IPMR
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, PQFP64
封装: GREEN, PLASTIC, LQFP-64
文件页数: 24/64页
文件大小: 1242K
代理商: MSP430F412IPMR
MSP430x41x
MIXED SIGNAL MICROCONTROLLER
SLAS340J MAY 2001 REVISED DECEMBER 2008
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
POR brownout, reset (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(BOR)
2000
μs
VCC(start)
dVCC/dt ≤ 3 V/s (see Figure 14)
0.7
× V(B_IT)
V
V(B_IT)
Brownout
dVCC/dt ≤ 3 V/s (see Figure 14, Figure 15, Figure 16)
1.71
V
Vhys(B_IT)
Brownout
dVCC/dt ≤ 3 V/s (see Figure 14)
70
130
180
mV
t(reset)
Pulse length needed at RST/NMI pin to accepted reset internally,
VCC = 2.2 V/3 V
2
μs
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 ≤ 1.8 V.
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 FLL+
settings must not be changed until VCC ≥ VCC(min). See the MSP430x4xx Family User’s Guide (SLAU056) for more information on
the brownout/SVS circuit.
0
1
V
VCC(start)
Vhys(B_IT)
VCC
td(BOR)
(B_IT)
Figure 14. POR/Brownout Reset (BOR) vs Supply Voltage
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