參數(shù)資料
型號： MSP430F5132IRSBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PQCC40
封裝： GREEN, PLASTIC, WQFN-40
文件頁數(shù)： 45/102頁
文件大?。?/td> 1183K
代理商： MSP430F5132IRSBT
MSP430F51x1
MSP430F51x2
SLAS619A
– AUGUST 2010 – REVISED AUGUST 2011
Crystal Oscillator, XT1, High-Frequency Mode
(continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Integrated effective load
CL,eff
XTS = 1
1
pF
capacitance, HF mode(5) (6)
XTS = 1, Measured at ACLK,
Duty cycle
HF mode
40
50
60
%
fXT1,HF2 = 20 MHz
Oscillator fault frequency,
fFault,HF
XTS = 1(8)
30
300
kHz
HF mode(7)
(5)
Includes parasitic bond and package capacitance (approximately 2 pF per pin).
Since the PCB adds additional capacitance, it is recommended to verify the correct load by measuring the ACLK frequency. For a
correct setup, the effective load capacitance should always match the specification of the used crystal.
(6)
Requires external capacitors at both terminals. Values are specified by crystal manufacturers.
(7)
Frequencies below the MIN specification set the fault flag. Frequencies above the MAX specification do not set the fault flag.
Frequencies in between might set the flag.
(8)
Measured with logic-level input frequency but also applies to operation with crystals.
Internal Very-Low-Power Low-Frequency Oscillator (VLO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
fVLO
VLO frequency
Measured at ACLK
1.8 V to 3.6 V
6
9.4
14
kHz
dfVLO/dT
VLO frequency temperature drift
Measured at ACLK(1)
1.8 V to 3.6 V
0.5
%/
°C
dfVLO/dVCC VLO frequency supply voltage drift
Measured at ACLK(2)
1.8 V to 3.6 V
4
%/V
Duty cycle
Measured at ACLK
1.8 V to 3.6 V
40
50
60
%
(1)
Calculated using the box method: (MAX(-40 to 85
°C) MIN(-40 to 85°C)) / MIN(85°C (40°C)). The coefficient is negative.
(2)
Calculated using the box method: (MAX(1.8 to 3.6 V) MIN(1.8 to 3.6 V)) / MIN(1.8 to 3.6 V) / (3.6 V 1.8 V). The coefficient is positive.
Internal Reference, Low-Frequency Oscillator (REFO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
IREFO
REFO oscillator current consumption
TA = 25°C
1.8 V to 3.6 V
3
A
REFO frequency calibrated
Measured at ACLK
1.8 V to 3.6 V
32768
Hz
fREFO
Full temperature range
1.8 V to 3.6 V
±3.5
%
REFO absolute tolerance calibrated
TA = 25°C
3 V
±1.5
%
dfREFO/dT
REFO frequency temperature drift
Measured at ACLK(1)
1.8 V to 3.6 V
0.01
%/
°C
dfREFO/dVCC
REFO frequency supply voltage drift
Measured at ACLK(2)
1.8 V to 3.6 V
1.0
%/V
Duty cycle
Measured at ACLK
1.8 V to 3.6 V
40
50
60
%
tSTART
REFO startup time
40%/60% duty cycle
1.8 V to 3.6 V
25
A
(1)
Calculated using the box method: (MAX(-40 to 85
°C) MIN(-40 to 85°C)) / MIN(85°C (40°C))
(2)
Calculated using the box method: (MAX(1.8 to 3.6 V) MIN(1.8 to 3.6 V)) / MIN(1.8 to 3.6 V) / (3.6 V 1.8 V)
Copyright
2010–2011, Texas Instruments Incorporated
47
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