A table of common acronyms or terms that are referenced in this functional block, with a corresponding definition or explanation.

Table 1. CPU acronyms and terms

Acronym or term

Definition or explanation

CFI

Program NVM and FSFR interface

CPUcs

CPU within the cyber security real-time module

DCache

Data cache

DMBI

Data memory and bus interface unit

DSP

Digital signal processing

DSPR

Data scratchpad RAM

DTAG

Data cache tag RAM

FIFO

First in first out

FPU

Floating-point unit

FSFR

NVM special function registers

IEEE

Institute of Electrical and Electronics Engineers

IEEE-754

IEEE Standard for Floating-point Arithmetic

IEEE-754-2019

IEEE-754 revision 2019

MMU

Memory management unit

NVM

Non-volatile memory

OCDS

On-chip debug system

OTGB

OCDS trigger bus

PCache

Program cache

PMBI

Program memory and bus interface unit

PNVM

Program NVM

PSPR

Program scratchpad RAM

PTAG

Program cache tag RAM

RISC

Reduced instruction set computer

SIST

Software in system test

TC1.8

TriCore™ 1.8