ARM and STM32 Abbreviations

  If you are new to STM32 microcontroller or programming, while reading datasheets you are going to encounter a lot of terms or abbreviations that you don't know.

  I wanted to make a list for most of the terms and their abbreviations/descriptions. I'm going to update the list, feel free to offer additions.

A/D Converter: Analog Digital Converter

ADC : Analog Digital Converter

AHB : Advanced High Performance Bus

APB : Advanced Peripheral Bus

ART Accelator : Adaptive Real Time Accelator

B: Dedicated to BOOT0 Pin (Pin Abbreviation)

BCD : Binary Coded Decimal 

BGA : Ball Grid Array 

BJT : Bipolar Junction Transistor

BOR : Brownout Reset

BQFP : Bumpered Quad Flat Package

CAN : Controller Area Network

CF : Compact Flash

CMOS : Complementary Metal Oxide Semiconductor

CQFP : Ceramic Quad Flat Package   

CRC : Cyclic Redundancy Check 

CTS : Clear to Send

D/A Converter : Digital Analog Converter

DAC : Digital Analog Converter

DCE : Data Communication Equipment

DCMI : Digital Camera Interface 

DFU : Device Firmware Upgrade

DMA : Direct Memory Access

DMIPS : Dhrystone Million Instructions Per Second

DSP : Digital Signal Processing

DTE : Data Terminal Equipment

EMI : Electromagnetic Interference

EMS : Electromagnetic Susceptibility

ESD : Electrostatic Discharge

ESR : Equivalent Series Resistance

ETM : Embedded Trace Macrocell

EXTI : External Interrupt

FET : Field Effect Transistor

FIFO : First In, First Out 

FM+ : Fast Mode Plus (Pin Abbreviation)

FPGA : Field Programmable Gate Array

FPU : Floating Point Unit

FPU : Floating Point Unit 

FSMC : Flexible Static Memory Controller

FT : 5V Tolerant Input Output Pin (Pin Abbreviation)

FTB : Fast Transient Burst (Voltage)

FTf : 5V Tolerant Input Output Pin with FM+ capable (Pin Abbreviation)

GPIO : General Purpose Input Output

HSE : High Speed External (Oscillator/Clock)

HSI : High Speed Internal (Oscillator/Clock)

HVAC : Heating Ventilating and Air Conditioning

I : Input Only Pin (Pin Abbreviation)

I/O : Input Output Pin (Pin Abbreviation)

I/O : Input/Output 

I2C : Inter Integrated Circuit, aka I squared C

I2S : Inter-IC Sound, Integrated Interchip Sound

IC : Input Capture

IC : Integrated Circuit

IRDA : Infrared Data Association

IWDG : Independent Watch Dog

JTAG : Joint Test Action Group

LAN : Local Area Network

LIN : Local Interconnect Network 

LPR : Low Power Regulator 

LQFP : Low Profile Quad Flat Package

LSE : Low Speed External (Oscillator/Clock)
LSI : Low Speed Internal (Oscillator/Clock)

MAC : Media Access Control (Address)

MCU : Micro Controller Unit

MII : Media Independent Interface

MIPS : Microprocessor without Interlocked Pipeline Stages

MIPS : Million Instructions Per Second 

MISO : Master Input Slave Output (Serial Peripheral Interface Bus Abbreviation)

MMC : Multi Media Card

MOSI : Master Output Slave In (Serial Peripheral Interface Bus Abbreviation)

MPU : Memory Protection Unit

MR : Main Regulator

MSPS : Mega Sample Per Second

NC : Normally Closed 

NC : Not Connected

NO : Normally Open

NRST : nRESET (Pin)

NVIC : Nested Vectored Interrupt Controller

OC : Output Compare

PDR : Power Down Reset

PHY : Physical (Layer)

PLC : Programmable Logic Controller

PLL : Phase Locked Loop

PM Bus : Power Management Bus

POR : Power On Reset

PPB : Private Peripheral Bus

PVD : Programmable Voltage Detector

PWM : Pulse Width Modulation 

QFP :  Quad Flat Package

RAM : Random Access Memory 

RC : Resistor Capacitor

RMII : Reduced Media Independent Interface

RNG : Random Number Generator

RST : Bidirectional Reset Pin With Embedded Weak Pull Up Resistor 

RTC : Real Time Clock

RTS : Request to Send
RTR : Ready to Receive

S : Supply Pin (Pin Abbreviation)

SCL : Serial Clock Line

SCLK : Serial Clock (Serial Peripheral Interface Bus Abbreviation)

SDA : Serial Data Line

SDIO : Secure Digital Input Output

SM Bus : System Management Bus

SMI : Serial Management Interface

SPI : Serial Peripheral Interface 

SRAM : Static Random Access Memory

SS : Slave Select (Serial Peripheral Interface Bus Abbreviation)

SSCG : Spread Spectrum Clock Generation

SWD : Serial Wire Debug

TC: Standartd 3.3V Input Output Pin (Pin Abbreviation)

TIM : Timer

TPA : Trace Port Analyzer

TPIU : Trace Port Interface Unit 

TQFP : Thin Quad Flat Package

TTa : 3.3V Tolerant Input Output Pin Directly Connected to ADC (Pin Abbreviation)

UART : Universal Asynchronous Receiver Transmitter

ULPI : Utmi Low Pin Interface

USART : Universal Synchronous Asynchronous Receiver Transmitter

USB OTG : USB On The Go

UTMI : USB 2.0 Transceiver Macrocell Interface

VBAT : Battery Voltage Supply (Pin)

VCC :  Positive Supply Voltage (BJT)

VDD : Positive Supply Voltage (FET)

VEE : Negative Supply (Ground) (BJT)

VSS : Negative Supply (Ground) (FET)

WWDG : Windows Watch Dog