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STM8AF6268x
ST STM8AF6268x Microcontroller Controller Manuals
Manuals and User Guides for ST STM8AF6268x Microcontroller Controller. We have
1
ST STM8AF6268x Microcontroller Controller manual available for free PDF download: User Manual
ST STM8AF6268x User Manual (59 pages)
STM8AF series microcontrollers
Brand:
ST
| Category:
Controller
| Size: 1 MB
Table of Contents
Table of Contents
2
1 About this Document
7
Purpose and Scope
7
Terms and Abbreviations
7
Table 1. Terms and Abbreviations
7
Reference Normative
8
Annexes
8
2 Stm8Afxxxx Device Development Process
9
Stmicroelectronics Standard Development Process
9
YOGITECH Frmethodology Process
9
3 STM8AF Safety Architecture
10
Introduction
10
Definition of the Safety Element out of Context
10
STM8AF as a Seooc
10
Assumed Safety Requirements
11
Figure 1. Definition of the STM8AF as a Seooc
11
Figure 2. Relationship between Assumptions and Seooc Development
11
Table 2. List of STM8AF Assumed Requirements
12
The Target Safety Metrics (ASIL, SPFM, LFM and PMHF)
12
Table 3. Target Safety Metric Values at the Item Level
13
The Assumed Target Time Intervals (FTTI and MPFDI)
13
Electrical Specifications and Environment Limits
14
Figure 3. STM8AF FTTI Allocation and Cycle Time
14
Systematic Safety Integrity
15
Safety Mechanisms/Measures
15
Stm8A Core
15
Program FLASH Memory
17
Data EEPROM Memory
18
RAM Memory
18
Boot ROM
19
Basic Enhanced CAN (Becan)
19
Linuart
20
Usart
21
I2C
22
Spi
22
Analog to Digital Converter (ADC)
23
Basic Timer (TIM 4)
25
Gpio - Port A/B/C/D/E/F/G/H
26
Address and Data Bus
26
Supply Voltage System
27
Reset and Clock Control Subsystems
27
Auto-Wakeup Timer (AWU)
28
Watchdogs (IWDG, WWDG)
28
Debug/ SWIM (Single Wire Interface Module)
29
Interrupt Controller (NVIC and EXTI)
29
Latent Fault Detection
29
Disable and Periodic Cross-Check of Unintentional Activation of Unused
30
Peripherals
30
Assumption of Use (Aou)
30
List of Assumptions of Use (Aou)
31
Table 4. List of Safety Mechanisms
31
Safety Analysis Results
35
Hardware Random Failure Analysis
35
Safety Analysis Result Customization
36
General Requirements for Freedom from Interferences (FFI)
36
Table 5. List of General Requirements for FFI
36
Dependent Failures Analysis
37
Power Supply
37
Clock
38
List of Evidences
39
Appendix A Appendix A Overview of Frmethodology
40
The Essence of Frmethodology
40
Frmethodology and Its Flow
40
Figure 4. the Frmethodology Flow for ISO 26262 and IEC 61508
41
Frtools
42
Table 6. Level of Detail in Frmethodology
42
A.3 Frtools
42
Figure 5. Overview of the YOGITECH Frtool Suite
43
Appendix B Appendix B Change Impact Analysis for Other Safety Standards
44
Iec 60730-1:2010
44
Architectural Categories
44
Safety Metrics Recomputation
45
Table 7. IEC 60730 Required Safety Mechanism for Class B/C Compliance
46
Work Products
51
Table 8. IEC 60730 Work Product Grid
51
B.4 Work Products
51
Iec 61508
53
Figure 6. Correlation Matrix between SIL and ASIL
53
B.5 Iec 61508
53
Architectural Categories
54
Safety Metrics Re-Computation
54
Table 9. some Reference Architectures for IEC 61508
54
B.6 Architectural Categories
54
Table 10. Mapping between this Document Content and IEC 61508-2 Annex D
56
Requirements
56
Table 11. IEC 61508 Work Product Grid
56
Table 12. Document Revision History
58
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