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AN3077 bảng dữ liệu(PDF) 21 Page - STMicroelectronics

tên linh kiện AN3077
Giải thích chi tiết về linh kiện  Safety application guide
PDF  82 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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AN3077 bảng dữ liệu(HTML) 21 Page - STMicroelectronics

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AN3077
Functional safety requirements for application software
81
Mandatory: The software tests that the application must implement are:
●
ETIMER0_SWTEST_REGCRC
●
ETIMER1_SWTEST_REGCRC
●
SIUL_SWTEST_REGCRC
Note:
Rationale: To verify that the configuration of the modules used by this safety function
compare to the expected configuration
Mandatory: In addition, the double reads must be compared by the application with the
implementation of the following test: ETIMERI_SWTEST_CMP.
Note:
Rationale: To verify that the two sets of data compare
Figure 2. Double Read PWM Input
3.13.2.1.3
Software test implementation
●
ETIMER0_SWTEST_REGCRC
The eTimer_0 configuration registers are read and a CRC checksum is computed. The
checksum is compared with the expected value.
●
ETIMER1_SWTEST_REGCRC
The eTimer_1 configuration registers are read and a CRC checksum is computed. The
checksum is compared with the expected value.
●
SIUL_SWTEST_REGCRC
The configuration registers of the SIUL are read and a CRC checksum is computed.
The checksum is compared with the expected value.
PWM In Double Read
Configuration
ETC[x]
ETC[y]
eTimer_0
eTimer_1
I
I
I
= Input Pad



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