Acromimi - Acronyms

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CMSIS
Cortex Microcontroller Software Interface Standard, see here

USB
USB HS - High-speed (480 Mbit/s)
USB FS - Full-speed (12 Mbit/s)
USB LS - Low-speed (1.5 Mbit/s)

USB OTG
USB On-The-Go - for more info click here

AWU
Auto Wake-Up - Normaly is under control of Timer or RTC

CAN
Controller Area Network

LIN
Local Interconnect Network

CF
Compact Flash

MMC
Multi Media Card

SD
Secure Digital

SDIO
Secure Digital Input Output
The SDIO adapter block provides all functions specific to the MMC/SD/SD-I/O card such as the clock generation unit, command and data transfer.
For more info click here

CRC
Cyclic Redundancy Check
For more info click here

DMA
Direct Memory Access
Tranfer data is normaly possible from/to:
Memory-to-memory, peripheral-to-memory, memory-to-peripheral transfers and peripheral-to-peripheral
for more info click here

EXTI
External Interrupt

WDG
Watchdog - for more info click here

WWDG
Window Watchdog - for more info click here

ETM
Embedded Trace Macrocell

EMI
External Memory Interface - for more info click here

FSMC
Flexible Static Memory Controller - for more info click here

NWG
Noise Wave Generation

IrDA
Infrared Data Association

I2S
Inter-IC Sound
The I2S protocol is used for audio data communication between a microcontroller/DSP and an audio Codec/DAC.
For more info click here

MII
Media Indipendent Interface

RMII
Reduced Media Indipendent Interface

MCU
Micro Controller Unit - is a single chip that contains a Processor, RAM, ROM, clock, I/O, timers, USB, etc.

DSC
Digital Signal Controllers

DSP
Digital Signal Processor

FPU
Floating Point Unit

HSE
High Speed External oscillator

HSI
High Speed Internal RC

LSI
Low Speed Internal RC

LSE
Low Speed External oscillator

CSS
Clock Security System that backup clock in case of HSE clock failure

PDR
Power Down Reset

POR
Power On Reset

PVD
Programmable Voltage Detector

RTC
Real Time Clock

IO or I/O
Input Output

PWM
Pulse Width modulation - Is normally one of the Timer functionality

PLL
Phase Locked Loop or Phase Lock Loop

USART
Universal Sync Async Receiver Trasmitter

UART
Universal Async Receiver Trasmitter

ADC
Analog to Digital Converter - see also AD Page

DAC
Digital to Analog Converter

SPI
Serial Peripheral Interface - see also SPI Page

ART Accelerator™
Adaptive Real-Time memory accelerator, see STM32F2xxx & STM32F4xxx manual for detail

Big-endian & Little-endian
See this page

RS485
See this page (Italian)
See this page (English)
ZL - line impedance
Zo - cable impedance
A (-) e B (+) - names of the RS485 lines
twisted-pair - pairs of wires twisted together
AWG - number that indicates the characteristics of the electric wire, AWG24: is the classic telephon wire
STBx - duration of each transmitted bit
Tp - is time that the signal takes to travel the bus 485

Ethernet MAC 10/100
For more info click here
In the document above you find description of:
Physical Layer
Data Link Layer
Network Layer
Transport Layer
Session Layer
Presentation Layer
Application Layer
ISO OSI Model
OSI Layers
ISO OSI vs. TCP/IP
ISO OSI vs. Real Time Ethernet
TCP/IP vs. OSI
TCP/IP Stack
TCP Protocol
TCP Segment Structure
TCP Ports
IP Protocol
IP Packet Structure
UDP
UDP vs. TCP
UDP Datagram
UDP Ports
Packet Terminology Overview
TCP/IP Stacks


FOC
Field Oriented Control
Control algorithm often used for PMSM motors

PSM
Permanent Magnet Syncrhronous Motor

BLDC
BrushLess DC Motor

ACIM
3-phase induction motor


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