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参数资料
| 型号： | MSP430AFE222IPW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, RISC MICROCONTROLLER, PDSO24 |
| 封装： | GREEN, PLASTIC, TSSOP-24 |
| 文件页数： | 20/47页 |
| 文件大小： | 900K |
| 代理商： | MSP430AFE222IPW |
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MSP430AFE2x3
MSP430AFE2x2
MSP430AFE2x1
SLAS701A
– NOVEMBER 2010 – REVISED MARCH 2011
Internal Very-Low-Power Low-Frequency Oscillator (VLO)
PARAMETER
TA
VCC
MIN
TYP
MAX
UNIT
fVLO
VLO frequency
-40
°C to 85°C
3 V
4
12
22
kHz
dfVLO/dT
VLO frequency temperature drift(1)
-40
°C to 85°C
3 V
0.5
%/
°C
dfVLO/dVCC
VLO frequency supply voltage drift(2)
25
°C
1.8 V to 3.6 V
4
%/V
(1)
Calculated using the box method: [MAX(-40...85
°C) - MIN(-40...85°C)]/MIN(-40...85°C)/[85°C - (-40°C)]
(2)
Calculated using the box method: [MAX(1.8...3.6 V) - MIN(1.8...3.6 V)]/MIN(1.8...3.6 V)/(3.6 V - 1.8 V)
Crystal Oscillator (XT2)
(1)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
XT2 oscillator crystal frequency,
fXT2,HF0
XT2OFF = 0, XT2Sx = 0
1.8 V to 3.6 V
0.4
1
MHz
HF mode 0
XT2 oscillator crystal frequency,
fXT2,HF1
XT2OFF = 0, XT2Sx = 1
1.8 V to 3.6 V
1
4
MHz
HF mode 1
1.8 V to 2.2 V
2
10
XT2 oscillator crystal frequency,
fXT2,HF2
XT2OFF = 0, XT2Sx = 2
2.2 V to 3.0 V
2
12
MHz
HF mode 2
3.0 V to 3.6 V
2
16
1.8 V to 2.2 V
0.4
10
XT2 oscillator logic-level
fXT2,HF,logic
square-wave input frequency,
XT2OFF = 0, XT2Sx = 3
2.2 V to 3.0 V
0.4
12
MHz
HF mode
3.0 V to 3.6 V
0.4
16
XT2OFF = 0, XT2Sx = 0
fXT2,HF = 1 MHz,
2700
CL,eff = 15 pF
Oscillation allowance for HF
XT2OFF = 0, XT2Sx = 1
OAHF
crystals (see Figure 15 and
fXT2,HF = 4 MHz,
800
CL,eff = 15 pF
XT2OFF = 0, XT2Sx = 2
fXT2,HF = 16 MHz,
300
CL,eff = 15 pF
Integrated effective load
CL,eff
XT2OFF = 0(3)
1
pF
capacitance, HF mode(2)
XT2OFF = 0, Measured at
P1.0/SVSIN/TACLK/SMCLK/TA2,
40
50
60
fXT2,HF = 10 MHz
Duty cycle
3 V
%
XT2OFF = 0, Measured at
P1.0/SVSIN/TACLK/SMCLK/TA2,
40
50
60
fXT2,HF = 16 MHz
fFault,HF
Oscillator fault frequency (4)
XT2OFF = 0, XT2Sx = 3(5)
3 V
30
300
kHz
(1)
To improve EMI on the XT2 oscillator the following guidelines should be observed:
(a) Keep the trace between the device and the crystal as short as possible.
(b) Design a good ground plane around the oscillator pins.
(c) Prevent crosstalk from other clock or data lines into oscillator pins XT2IN and XT2OUT.
(d) Avoid running PCB traces underneath or adjacent to the XT2IN and XT2OUT pins.
(e) Use assembly materials and praxis to avoid any parasitic load on the oscillator XT2IN and XT2OUT pins.
(f) If conformal coating is used, ensure that it does not induce capacitive/resistive leakage between the oscillator pins.
(2)
Includes parasitic bond and package capacitance (approximately 2 pF per pin). Because 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.
(3)
Requires external capacitors at both terminals. Values are specified by crystal manufacturers.
(4)
Frequencies below the MIN specification set the fault flag, frequencies above the MAX specification do not set the fault flag, and
frequencies in between might set the flag.
(5)
Measured with logic-level input frequency, but also applies to operation with crystals.
Copyright
2010–2011, Texas Instruments Incorporated
27
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相关代理商/技术参数 |
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| MSP430AFE222IPWR | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MSP430AFE223IPW | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MSP430AFE223IPWR | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MSP430AFE231IPW | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MSP430AFE231IPWR | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
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