参数资料
型号: ST72F60E1M1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO24
封装: 0.300 INCH, LEAD FREE, PLASTIC, SOP-24
文件页数: 22/139页
文件大小: 1993K
代理商: ST72F60E1M1
Electrical characteristics
ST7260xx
118/139
16.7
EMC characteristics
Susceptibility and emission tests are performed on a sample basis during product
characterization.
16.7.1
Functional EMS (electromagnetic susceptibility)
Based on a simple running application on the product (toggling 2 LEDs through I/O ports),
the product is stressed by two electromagnetic events until a failure occurs (indicated by the
LEDs).
ESD: Electrostatic 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 100 pF capacitor, until a functional disturbance occurs. This test
conforms with the IEC 1000-4-4 standard.
A device reset allows normal operations to be resumed. The test results are given in the
table below based on the EMS levels and classes defined in application note AN1709.
16.7.2
Designing hardened software to avoid noise problems
EMC characterization and optimization are performed at component level with a typical
application 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 management 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
reproduced by manually forcing a low state on the RESET pin or the Oscillator pins for 1
second.
To complete these trials, ESD stress can be applied directly on the device, over the range of
specification values. When unexpected behaviour is detected, the software can be
hardened to prevent unrecoverable errors occurring (see application note AN1015).
相关PDF资料
PDF描述
ST72F60K2DIE1 8-BIT, MROM, 8 MHz, MICROCONTROLLER, UUC
ST72F60K2DIE6 8-BIT, MROM, 8 MHz, MICROCONTROLLER, UUC
ST72F651AR6T1 8-BIT, FLASH, MICROCONTROLLER, PQFP64
ST72P60E2M1 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24
ST7260E2M1/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24
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