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| 型号： | ST7FLITES5Y0U6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, QCC20 |
| 封装： | QFN-20 |
| 文件页数： | 118/124页 |
| 文件大小： | 2155K |
| 代理商： | ST7FLITES5Y0U6 |
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ST7LITE0xY0, ST7LITESxY0
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13.7 EMC (ELECTROMAGNETIC COMPATIBILITY) CHARACTERISTICS
Susceptibility tests are performed on a sample ba-
sis during product characterization.
13.7.1
Functional
EMS
(Electro
Magnetic
Susceptibility)
Based on a simple running application on the
product (toggling two -+LEDs through I/O ports),
the product is stressed by two electro magnetic
events until a failure occurs (indicated by the
LEDs).
■ ESD: Electro-Static Discharge (positive and
negative) is applied on all pins of the device until
a functional disturbance occurs. This test
conforms with the IEC 1000-4-2 standard.
■ FTB: A Burst of Fast Transient voltage (positive
and negative) is applied to VDD and VSS through
a 100pF capacitor, until a functional disturbance
occurs. This test conforms with the IEC 1000-4-
4 standard.
A device reset allows normal operations to be re-
sumed. The test results are given in the table be-
low based on the EMS levels and classes defined
in application note AN1709.
13.7.1.1 Designing hardened software to avoid
noise problems
EMC characterization and optimization are per-
formed at component level with a typical applica-
tion environment and simplified MCU software. It
should be noted that good EMC performance is
highly dependent on the user application and the
software in particular.
Therefore it is recommended that the user applies
EMC software optimization and prequalification
tests in relation with the EMC level requested for
his application.
Software recommendations:
The software flowchart must include the manage-
ment of runaway conditions such as:
– Corrupted program counter
– Unexpected reset
– Critical Data corruption (control registers...)
Prequalification trials:
Most of the common failures (unexpected reset
and program counter corruption) can be repro-
duced by manually forcing a low state on the RE-
SET pin or the Oscillator pins for 1 second.
To complete these trials, ESD stress can be ap-
plied directly on the device, over the range of
specification values. When unexpected behaviour
is detected, the software can be hardened to pre-
vent unrecoverable errors occurring (see applica-
tion note AN1015).
13.7.2 EMI (Electromagnetic interference)
Based on a simple application running on the
product (toggling two LEDs through the I/O ports),
the product is monitored in terms of emission. This
emission test is in line with the norm
SAE J 1752/3 which specifies the board and the
loading of each pin.
Note:
1. Data based on characterization results, not tested in production.
Symbol
Parameter
Conditions
Level/
Class
VFESD
Voltage limits to be applied on any I/O pin to induce a
functional disturbance
VDD=5V, TA=+25°C, fOSC=8MHz
conforms to IEC 1000-4-2
2B
VFFTB
Fast transient voltage burst limits to be applied
through 100pF on VDD and VDD pins to induce a func-
tional disturbance
VDD=5V, TA=+25°C, fOSC=8MHz
conforms to IEC 1000-4-4
3B
Table 20: EMI emissions
Symbol
Parameter
Conditions
Monitored
Frequency Band
Max vs. [fOSC/fCPU]
Unit
1/4MHz
1/8MHz
SEMI
Peak level
VDD=5V, TA=+25°C,
SO16 package,
conforming to SAE J 1752/3
0.1MHz to 30MHz
8
14
dB
V
30MHz to 130MHz
27
32
130MHz to 1GHz
26
28
SAE EMI Level
3.5
4
-
1
相关PDF资料 |
PDF描述 |
|---|---|
| ST7FLITES2Y0B6 | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDIP16 |
| ST7FLITES5Y0M6TRE | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FLITE05Y0M6TR | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FLITE05Y0U6 | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, QCC20 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST7FLITES5Y0U6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7FLITE-SK/RAIS | 功能描述:开发板和工具包 - 其他处理器 DEV KIT FOR LITE SUBFAMILY RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| ST7FLITE-SK/RAIS2 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7FLITEU02B6 | 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ST7FLITEU02M6 | 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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