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| 型號： | MSP430F2619SKGD1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, UUC82 |
| 封裝： | DIE-82 |
| 文件頁數(shù)： | 41/90頁 |
| 文件大小： | 1141K |
| 代理商： | MSP430F2619SKGD1 |
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SLAS697A
– MARCH 2010 – REVISED FEBRUARY 2011
Crystal Oscillator (LFXT1) Low-Frequency Modes
– Electrical Characteristics
(1) (2) (2)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
LFXT1 oscillator crystal
fLFXT1,LF
XTS = 0, LFXT1Sx = 0 or 1
1.8 V to 3.6 V
32,768
Hz
frequency, LF mode 0, 1
LFXT1 oscillator
fLFXT1,LF,logic logic-level square-wave
XTS = 0, LFXT1Sx = 3
1.8 V to 3.6 V
10,000
32,768
50,000
Hz
input frequency, LF mode
XTS = 0, LFXT1Sx = 0;
fLFXT1,LF = 32,768 kHz,
500
CL,eff = 6 pF
Oscillation allowance for
OALF
k
LF crystals
XTS = 0, LFXT1Sx = 0;
fLFXT1,LF = 32,768 kHz,
200
CL,eff = 12 pF
XCAPx = 0
1
Integrated effective load
XCAPx = 1
5.5
CL,eff
capacitance,
XTS = 0
pF
XCAPx = 2
8.5
LF mode(3)
XCAPx = 3
11
XTS = 0, Measured at
Duty Cycle
LF mode
P1.4/ACLK,
2.2 V/3 V
30
50
70
%
fLFXT1,LF = 32,768 Hz
Oscillator fault frequency
fFault,LF
XTS = 0, LFXT1Sx = 3(5)
2.2 V/3 V
10
10,000
Hz
threshold, LF mode (4)
(1)
To improve EMI on the LFXT1 oscillator the following guidelines should be observed:
(a) Keep as short of a trace as possible between the device and the crystal.
(b) Design a good ground plane around the oscillator pins.
(c) Prevent crosstalk from other clock or data lines into oscillator pins XIN and XOUT.
(d) Avoid running PCB traces underneath or adjacent to the XIN and XOUT pins.
(e) Use assembly materials and praxis to avoid any parasitic load on the oscillator XIN and XOUT pins.
(f) If conformal coating is used, ensure that it does not induce capacitive/resistive leakage between the oscillator pins.
(g) Do not route the XOUT line to the JTAG header to support the serial programming adapter as shown in other documentation. This
signal is no longer required for the serial programming adapter.
(2)
LFXT1 in 32-KHz mode is guaranteed to function only between
–55°C to 105°C. This module is know to fail above 110°C. For further
info contact TI support.
(3)
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.
(4)
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.
(5)
Measured with logic-level input frequency, but also applies to operation with crystals.
Internal Very-Low-Power, Low-Frequency Oscillator (VLO)
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
TEST
PARAMETER
TA
VCC
MIN
TYP
MAX
UNIT
CONDITIONS
–40°C to 85°C
2.2 V/3 V
4
12
20
fVLO
VLO frequency
kHz
150
°C
2.2 V/3 V
22
dfVLO/dT
VLO frequency temperature drift
See (1)
2.2 V/3 V
0.5
0.8
%/
°C
1.8 V
–
dfVLO/dVCC VLO frequency supply voltage drift
See (2)
25
°C
4
%/V
3.6V
(1)
Calculated using the box method:
S Version: (MAX(
–55 to 150°C) – MIN(–55 to 150°C))/MIN(–55 to 150°C)/(150°C – (–55°C))
(2)
Calculated using the box method: (MAX(1.8 V to 3.6 V)
– MIN(1.8V to 3.6 V))/MIN(1.8 V to 3.6 V)/(3.6 V – 1.8 V)
46
2010–2011, Texas Instruments Incorporated
Product Folder Link(s): MSP430F2619S-HT
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相關代理商/技術(shù)參數(shù) |
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|---|---|
| MSP430F2619SPM | 功能描述:16位微控制器 - MCU 16B Ultra-Low-Pwr MCU,92KB Flash RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MSP430F2619TPM | 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MSP430F2619TPMR | 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MSP430F2619TPN | 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MSP430F2619TPNR | 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
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