參數(shù)資料
型號(hào): MSP430FW425IPM
廠商: TEXAS INSTRUMENTS INC
元件分類: 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): 15/61頁(yè)
文件大?。?/td> 828K
代理商: MSP430FW425IPM
MSP430FW42x
SLAS383D – OCTOBER 2003 – REVISED JANUARY 2011
www.ti.com
Schmitt-Trigger Inputs
Ports (P1, P2, P3, P4, P5, P6), RST/NMI, JTAG (TCK, TMS, TDI/TCLK)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 2.2 V
1.1
1.5
VIT+
Positive-going input threshold voltage
V
VCC = 3 V
1.5
1.9
VCC = 2.2 V
0.4
0.9
VIT-
Negative-going input threshold voltage
V
VCC = 3 V
0.9
1.3
VCC = 2.2 V
0.3
1.1
Vhys
Input voltage hysteresis (VIT+ - VIT- )
V
VCC = 3 V
0.45
1
Inputs Px.x, TAx.x
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
2.2 V/3 V
1.5
cycle
Port P1, P2: P1.x to P2.x, external trigger
t(int)
External interrupt timing
2.2 V
62
signal for the interrupt flag(1)
ns
3 V
50
2.2 V
62
t(cap)
Timer_A capture timing
TAx x
ns
3 V
50
2.2 V
8
Timer_A clock frequency
f(TAext)
TAxCLK, INCLK t(H) = t(L)
MHz
externally applied to pin
3 V
10
2.2 V
8
f(TAint)
Timer_A clock frequency
SMCLK or ACLK signal selected
MHz
3 V
10
(1)
The external signal sets the interrupt flag every time the minimum t(int) parameters are met. It may be set even with trigger signals
shorter than t(int). Both the cycle and timing specifications must be met to ensure the flag is set. t(int) is measured in MCLK cycles.
Leakage Current
Ports (P1, P2, P3, P4, P5, P6)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Ilkg(Px.x)
Leakage current
Port P1.x
Port x: V(Px.x)
(2)
VCC = 2.2 V/3 V
±50
nA
(1)
The leakage current is measured with VSS or VCC applied to the corresponding pin(s), unless otherwise noted.
(2)
The port pin must be selected as input.
22
Copyright 2003–2011, Texas Instruments Incorporated
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