參數(shù)資料
型號(hào)： MSP430FW425IPM
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP64
封裝： GREEN, PLASTIC, QFP-64
文件頁(yè)數(shù)： 21/61頁(yè)
文件大?。?/td> 828K
代理商： MSP430FW425IPM
0
1
V
VCC(start)
Vhys(B_IT)
VCC
td(BOR)
(B_IT)
V
C
(drop)
V
0
0.5
1
1.5
2
0.001
1
1000
V
= 3 V
Typical Conditions
1 ns
tpw Pulse Width s
cc
VCC
3 V
VCC(drop)
tpw
MSP430FW42x
SLAS383D – OCTOBER 2003 – REVISED JANUARY 2011
www.ti.com
POR/Brownout Reset (BOR)
(1)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(BOR)
2000
s
0.7 ×
VCC(start)
dVCC/dt ≤ 3 V/s (see Figure 10)
V
V(B_IT- )
V(B_IT-)
Brownout(2)
dVCC/dt ≤ 3 V/s (see Figure 10 through Figure 12)
1.71
V
Vhys(B_IT-)
dVCC/dt ≤ 3 V/s (see Figure 10)
70
130
210
mV
Pulse length needed at RST/NMI pin to accepted
t(reset)
2
s
reset internally, VCC = 2.2 V/3 V
(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), where VCC(min) is the minimum supply voltage for the desired operating frequency. See the
MSP430x4xx Family User's Guide for more information on the brownout/SVS circuit.
Figure 10. POR/Brownout Reset (BOR) vs Supply Voltage
Figure 11. VCC(drop) Level with a Square Voltage Drop to Generate a POR/Brownout Signal
28
Copyright 2003–2011, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSP430FW425IPMR 功能描述:16位微控制器 - MCU for Elec Flow Meters RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FW427IPM 功能描述:16位微控制器 - MCU for Elec Flow Meters RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FW427IPMR 功能描述:16位微控制器 - MCU for Elec Flow Meters RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FW428IPMR 功能描述:16位微控制器 - MCU Mixed Signal MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FW429IPM 功能描述:16位微控制器 - MCU Mixed Signal MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線(xiàn)寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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