Glossary

Table 16 Terms and Definitions

Terminology and Abbreviations	Definition
A.x...	Reference from the UL 1998 standard. For example: A.7.1.19 is a specific definition found in appendix A of the standard.
C28x	A C2000 central processing unit.
CLA	C2000 Control Law Accelerator: an independent 32-bit floating-point processor.
CLA PROM	Program ROM for the CLA CPU
CLB	C2000 Configurable Logic Block
Class B / 1	IEC 60730 Class B and UL 1998 Class 1. Class assigned based on a functional safety assessment. Refer to c.
Class C / 2	IEC 60730 Class C and UL 1998 Class 2: Class assigned based on a functional safety assessment. Refer to Table 1.
CLK	Clock
CPU	Central Processing Unit
CPU Timer	C2000 general timer peripheral
CRC	Cyclic Redundancy Check
DC fault	(IEC/UL) Short circuits between signals.
DCC	C2000 dual clock comparitors
DCSM	C2000 dual code-security module
ECC	Error correction code
E/E/PE	(IEC/UL) Electrical/Electronic/Programmable Electronic
EMC	(IEC/UL) Electromagnetic compatibility
ePIE	C2000 enhanced peripheral interrupt expansion block. May also be referred to as PIE.
ePWM	C2000 enhanced Pulse Width Modulation peripheral. May also be referred to as PWM.
FPU	Floating-point Unit instruction set extension to the C28x CPU
FSM	This document uses FSM to indicate a Functional Safety Manual (Functional Safety Manuals). (IEC/UL) FSM is used to indicate Functional Safety Management.
GPIO	C2000 general purpose input/output pin
H.x...	Reference from the IEC 60730 standard. For example: H.2.16.5 is a specific definition found in annex H of the standard.
HRPWM	High-resolution feature of the C2000 ePWM module
HW	Hardware (the microcontroller)
HWBIST	C2000 hardware built-in self test
IEC	International Electrotechnical Commission
IEC 60730	The terms "IEC 60730", "UL 1998", "IEC / UL standards", "60730" and "the standards" are used interchangeably to refer to both: IEC60730-1 Edition 5.0 2013-11, Annex H and Table H.1 (H.11.12.7 of edition 3) – "Acceptable measures to address fault/errors" The UL Standard for Safety for Software in Programmable Components, UL 1998, Third Edition, Dated December 18, 2013, Appendix A and Table A2.1 – "Coverage for microelectronic hardware failure modes"
IEC 61508	IEC 61508 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems, International Electrotechnical Commission, Edition 2.0 2010.
ISO 26262	ISO 26262–Road Vehicles-Functional Safety, International Standard ISO, vol. 26262, 2018.
IEC / UL	Short for the standards or indicates something taken from the standards. Such as (IEC/UL) marked definitions in this list. See IEC 60730
MPOST	Memory power-on self-test
PIE	See ePIE.
PWM	See ePWM.
PEST	Periodic self-test
POST	Power-on self-test
ROM	Read only memory
SDL	Software Diagnostic Library
SRAM	Static random-access memory
STL	Self-Test Library
Stuck-at	(IEC/UL) An open circuit fault or non-varying signal level
SW	Software
TI	Texas Instruments Inc.
TMU	Trigonometric Math Unit instruction set extension to the C28x CPU
UL	Underwriters Laboratories Inc.
UL 1998	See IEC 60730
Unique ID	A C2000 unique identifier assigned to a functional safety feature or diagnostic in the functional safety manual. For example CLK2 or GPIO4.
VCRC	Refer to VCU
VCU	Instruction set extension to the C28x CPU. Part of the added instructions are CRC calculation specific. The CRC instructions are supported on some devices as simply the "VCRC".