3D— Three Dimensional
3G— 3rd Generation of mobile communication systems
A
A/D— Analog to Digital Converter
ABB— Adaptive Body Bias
ABE— Audio Back End
ABEFW— Audio Back End Firewall
ACB— ac–bias frequency
ACBI— ac–bias line transitions per interrupt
ACE— ASIC Compiler Environment.
ACK— Acknowledge
ADC— Analog–to–Digital Converter/Conversion.
ADMA— Audio DMA
ADPLL— All Digital Phase Locked Loop. A closed loop frequency control system whose function is
based on the phase–sensitive detection of the phase difference between the input signal and the
output signal of the controlled oscillator (CO).
AE— Audio Engine. The AESS own processor.
AES— Advanced Encryption Standard
AESS— Audio Engine Subsystem
AEW— Auto Exposure and Auto White Balance
AF— Auto Focus
AFE— Analog Front End
AHB— Advanced High-performance Bus
ALE— Address Latch Enable
AMMU— Attribute Memory Management Unit
ANSI— American National Standards Institute
AP— Address Protection
APB— Advanced Peripheral Bus APE— Application Engine
API— Application Programming Interface
AR— Automatic Reload
ARGB— Alpha Red Green Blue
ARM— Advanced RISC Machine
ASCII— American Standard Code for Information Interchange
ASIC— Application–Specific Integrated Circuit. A chip built for a particularapplication. In the context of
this document, this refers to the FPGA that resides on the EVM board.
ASP— Application–Specific Peripheral
ATA— Interface standard for the connection of storage devices
ATB— AMBA Advanced Trace Bus
ATC— Audio Traffic Controller
AVDAC— Audio-Video DAC
AVS— Adaptive Voltage Scaling
AWB— Auto White Balance
B
B— Byte, 8 bits
BAYER— Bayer Filter mosaic. A color filter array (CFA) for arranging RGB color filters on a square grid
of photosensors.
BB— Bus Busy
BCD— Binary–Coded Decimal.
BCH— Bose-ChaudhurI-Hocquenghem
BE— Big Endian.
BGA— Ball Grid Array
BGAP— Band Gap
BIOS— Built–In Operating System
BIST— Built–In Self–Test
BL— Buffer Logic
BOF— Beginning of Frame
BPP— Bits Per Pixel
BS— Block Synchronization
BSC— Boundary Scan Chain
BSMEM— Bit Stream Memory
BTA— Bus Turn Around
BTE— Burst Translation Engine BW— Band Width
Bluetooth— A short–range radio technology aimed at simplifying communications among network
devices and betweendevices and the Internet. It also aims to simplify data synchronizationbetween
network devices and other computers.
C
C2C— Chip-to-Chip
CABAC— Context-Adaptive Binary Arithmetic Coding
CALC3— Transform and Quantization Calculation Engine
CAS— Column Address Strobe
CAVLC— Context-Adaptive Variable Length Coder
CB— Copy Back
CBP— Coded Block Pattern
CBUFF— Circular Buffer
CCCR— Card Common Control Registers (SDIO)
CCP— Compact Camera Port
CDP— Coprocessor Data Operation
CDR— Clock Data Recovery
CE— Chip Enable
CEA-861-D— HDMI 1.3 video standart. It defines the video timing requirements, discovery structures,
and data transfer structure.
CEC— Consumer Electronics Control
CFA— Color Filter Array
CH— Configuration Header. To use different settings than ROM Code defaults, that is, clock frequencies,
SDRAM/DDRAM settings, GPMC settings if the customer wants.
CID— Card Identification Number
CIR— Consumer Infra Red
CLE— Command Latch Enable
CLK— Clock
CLUT— Color Look-Up Table
CM— Clock Management
CMEM— Coefficient Memory
CMOS— Complimentary Metal Oxide Semiconductor
CODEC— Coder/Decoder or Compression/Decompression. A device that codes in one direction of
transmission and decodes in another direction of transmission.
CP15— Coprocessor 15. This coprocessor controls the operation andconfiguration of the TI925T.
CPR— Clock, Power, Reset CPU— Central Processing Unit.
CRC— Cyclic Redundancy Check
CS— Chip–Select
CS-ETB— CoreSight Embedded Trace Buffer
CS-ETM— CoreSight Embedded Trace Macrocell
CS-TPIU— CoreSight Trace Port Interface Unit
CSI— Camera Serial Interface
CSW— Control Space Width
CSWR— Closed switch retention
CTM— Counter-Timer Module
CTRL— Control
CTS— Clear to Send
CVBS— Composite Video Broadcast Signal
ConnID— Connection Identifier.An Initiator Module Identifier. A ConnID is transmitted in-band with the
request and is used for protection and error logging mechanism.
D
D2D— Die-to-Die
DAC— Digital to Analog Converter
DBB— Digital Baseband
DBI— Display Buffer Interface
DCD— Data Carrier Detect
DCO— Digitally Controlled Oscillator
DCS— Display Command Set
DCT— Discrete Cosine Transform.
DDC— Display Data Channel
DDMA— DSP Subsystem Direct Memory Access module
DDR— Double Data Rate
DE— Data Enable
DFF— Digital Flip-Flop
DFT— Design For Test
DI— Data In
DISPC— Display Controller
DL— Data Lenght
DLB— Data Loopback.
DLL— Delay-Locked Loop DMA— Direct Memory Access.
DMC— Data Memory Controller
DMEM— Data Memory
DMIC— Digital Microphone Controller
DMM— Dynamic Memory Management
DNL— Differential nonlinearity. It describes the deviation between two analog values corresponding to
adjacent input digital values for a DAC.
DO— Data Out
DPC— Defect Pixel Correction
DPCM— Differential Pulse Code Modulation
DPI— Display Parallel Interface
DPLL— Digital Phase–Locked Loop. Digital implementation of PLL.
DPS— Digital Power Switching
DRD— Dual-Role Device (a type of OTG USB device)
DRDY— Data Ready
DRM— Digital Rights Management
DRP— Digital Radio Processor
DSI— Display Serial Interface
DSP— Digital Signal Processor.
DSR— Data Set Ready
DSS— Display Sub-System. Also DISS
DT— Data Type
DTBC— Data Buffer Controller
DTCM— Data Tightly Coupled Memory
DTR— Data Transmit Ready
DVFS— Dynamic Voltage and Frequency Scaling
DVI— Digital Video Interface
E
EA— Enumeration Address
EAV— End of Active Video
ECC— Error Checking and Correction. Also Error Correction Code.
ECD3— Entropy Coder/Decoder
ED— Endpoint Descriptor
EFUSE— Electrical Fuse. A one-time programmable memory location usually set at the factory
EHCI— Enhanced Host Controller Interface EMC— External Memory Controller
EMI— Electromagneric interference
EMIF— External Memory Interface
EOB— End of Block
EOF— End of Frame
EOL— End of Line
EOT— End of Transfer
EPM— Emulation Pin Manager
ES— Erase Status
ETB— Embdedded Trace Bus
ETM— Embedded Trace Macrocell
F
FAT— File Allocation Table
FBB— Forward Body-Bias
FCLK— Functional Clock
FCS— Frame Check Sequence
FD— Face Detect
FE— Framing Error.
FEC— Frame End Code
FF— Flip-Flop
FIFO— First In First Out.
FIQ— Fast Interrupt Request. See ISR.
FIR— Fast Infrared
FM— Frequency Modulate
FPS— Frame per Second
FROM— eFuse ROM
FS— Full-Speed
FSC— Frame Start Code. Also Frame Start Count.
FSM— Finite State Machine.
FSR— Fault Status Register
FV— Focus Value
FW— Firewall
G
GBC— Green Balance Correction GDP— Generic Dot Product
GHB— Global History Buffer
GPIO— Genreal Purpose Input Output
GPMC— General Purpose Memory Controller
H
H.263— Video Codec Standart
H.264— Video Codec Standart
H/W— Hardware
HAL— Hardware Abstraction Layer
HBP— Horizontal Back Porch
HC— Host Controller
HD— High Definition
HDCP— High-bandwidth Digital Content Protection
HDMI— High-Definition Multimedia Interface
HDQ— Single-wire communication interface
HDTV— High-Definition Television
HFP— Horizontal Front Porch
HLOS— High-Level Operating System
HNP— Host Negotiation Protocol (OTG feature)
HPF— High-Pass Filter
HPI— Host Port Interface
HS— High-Speed
HSEC— Horizontal Sync End Code
HSI— High Speed Synchronous Serial Interface
HSSC— Horizontal Sync Start Code
HSSCLL— High-Speed Serial Control Channel
HSW— Horizontal Synchronization Pulse Width
HSYNC— Horizontal Synchronization.
HW— Hardware
HWA— Hardware Accelerators.
HWOBS— Hardware Observability
HWSEQ— Hardware Sequencer
I
I/F— Interface I/O— Input/Output
I2C— Inter–Integrated Circuit.
I2S— Inter–IC Sound.
IA— Identifier Address
ICE— In–Circuit Emulation
ICEPICK— Generic TAP for emulation control
ICLK— Interface Clock
ICONT— Imaging Controller
ICR— Intersystem Communication Registers
ID— Identification
IDCT— Inverse Discrete Cosine Transform. See DCT.
ILF3— Improved Loop Filter engine
IM— Initiator Module. A module is an initiator whenever it is able to initiate read and write requests to the
chip interconnect (typically: processors , DMA...).
IME3— Improved Motion Estimation engine
IMX— Image Extension coprocessor
INL— Integral Nonlinearity. It describes the maximum deviation between the ideal output of a DAC and
the actual output level.
INT— Interrupt .
INTC— Interrupt Controller
IP— Intellectual Property
IPC— Interprocessor Communication. (also referred to as mailbox on occasion)
IPE3— Intra Prediction Estimation engine
IPIPE— Image Pipe
IPIPEIF— Image Pipe Interface
IQ— Inverse Quantization
IR— Incremental Redundancy Buffer
IRQ— Interrupt Request.
ISA— Instruction Set Architecture
ISIF— Image Sensor Interface
ISP— Image Signal Processor
ISR— Interrupt Service Routine.
ISS— Image SubSystem
IST— Interrupt Service Thread.
ITCM— Instruction Tightly Coupled Memory IV— Initialization Vector
IVA— Image and Video Accelerator
IVA-HD— High Definition Image and Video Accelerator
IrDA— Infrared Data Association.
J
JEDEC— Joint Electronic Devices Engineering Council
JPEG— Joint Photographics Experts Group
JTAG— Joint Test Action Group.
K
KB— Kilobyte, 1024 B
KBD— Keyboard
Kbps— Kilobits per second
L
L1— Level 1 cache/memory
L2— Level 2 cache/memory
L3— First level of interconnect in OMAP platform
L4— Seconf level of interconnect in OMAP platform
LA— Logical Address
LAN— Local Area Network
LC— Logical Channel
LCD— Liquid Crystal Display.
LCM— Logical Channel to Memory
LCh— Logical DMA Channel. Also LCH
LDC— Load (from memory) to Coprocessor
LDC2— Lens Distortion Correction
LDM— Load Multiple
LDO— Low Dropout
LE— Little Endian.
LEC— Line End Code
LED— Light Emitting Diode.
LF— Loop Filter
LFB— Line-Fill-Buffer
LFN— Long File Name
LH— Local Host LINK— Link Layer Device
LLP— Low-Level Protocol
LP— Low-Power, operation mode for PHY
LPCM— Linear Pulse Code Modulation
LPDDR— Low Power Double Data Rate
LPF— Loop Filter
LPM— Low-Power Mode
LPP— Lines Per Panel
LRB— Line-Read-Buffer
LS— Low-Speed
LSB— Least Significant Bit
LSC— Line Start Code
LSR— Linear Shift Register
LSW— Least Significant Word
LUT— Look-up Table
M
M2— Micro Memory
MAC— Message Authentication Code
MB— Megabyte, 1024 KB
MBAFF— MB-Level Adaptive Frame/Field
MBR— Master Boot Record
MC3— Motion Compensation Engine
MCSPI— Multichannel Serial Port Interface
MCU— Microcontroller Unit. Refers to the MPU.
ME— Motion Estimation
MEMIF— Memory Interface
MIF— Memory InterFace
MIPI— Mobile Industry Processor Interface
MIR— Medium Infrared
MJPEG— Motion JPEG
MMC— Multimedia Card
MMC/SD— Multimedia Card/SD
MMU— Memory Management Unit.
MP3— MPEG Layer 3. MPEG— Motion Pictures Expert Group.
MPEG1— The first MPEG compression scheme specification.
MPU— Microprocessor Unit.
MS— Memory Stick
MSB— Most Significant Bit
MSGIF— Message Interface
Mb— Megabit
Mbps— Mega bits per second
McBSP— Multichannel Buffered Serial Port.
Modem— Modulator Demodulator
N
N/A— Not Applicable
NAC— Network Access Control
NAK— Not Acknowledged
NAND— NAND Flash memory.
NC— Not Connected
NIU— Network Interface Unit
NMI— Nonmaskable Interrupt. An interrupt that can be neither masked nor disabled.
NOP— No OPeration (DSP/CPU instruction)
NOR— A type of flash memory
NRZI— Non-Return-to-Zero Inverted
NSF— Noise Filter
NTSC— National Television System Committee. Television broadcast system.
NVB— Number of Valid Bytes
NVIC— Nested Vectored Interrupt Controller
NVM— Non-volatile Memory
O
OCM— On-chip Memory
OCMC— On-chip Memory Controller
OCP— Open–Core Protocol
OCPI— Open–Core Protocol Interface
OE— Output Enable
OHCI— Open Host Controller Interface. This is an industry standard USB Host Controller Interface.
OMAP— Open Multimedia Application Platform ON2— Video Codec Standart
OPP— Operating Performance Point
OS— Operating System
OSI— (OSI model) Open Systems Interconnection Basic Reference Model
OTG— On-The-Go (USB 2.0 specification)
P
PA— Program Address
PBIAS— PMOS Bias transistor to provide the bias voltage to extended drain IOs
PC— Program Counter
PCB— Printed Circuit Board
PCI— Peripheral Component Interconnect.
PCLK— Pixel Clock
PCM— Pulse Code Modulation.
PD— Program Data
PDA— Personal Digital Assistant
PDC— Power-down Controller
PDM— Pulse Density Modulation
PDU— Protocol Data Unit
PE— Parity Error
PF— Packet Footer
PFPW— Prefetch and Prewrite posting engine
PH— Packet Header
PHY— Physical Layer Device
PI— Pixel Interpolation
PID— Protocol Identifier. The PID register is used in Windows CE mode only.
PLL— Phase–Locked Loop.
PM— Programming Model
PMC— Program Memory Controller
PMEM— Program Memory
PMP— Power Management Port
POR— Power–On Reset
PPA— Primary Protected Application.
PPC— Palm–size PC
PPI— Physical Layer Protocol Interface PPL— Pixels per Line
PRCM— Power, Reset, Clock Management module
PRM— Power and Reset manager
PS— Packet Start
PSC— Prescaler Counter
PSS— Program Suspend Status
PT— Packet Type
PTM— Program Trace Macrocell
PTV— Prescale Clock Timer Value. Sets the value of the divisor used in scaling the clock.
PU/PD— Pull-Up / Pull-Down
PWL— Pulse Width Light (modulator). A 4096–bit randomsequence generator that provides control of the
LCD backlighting and keypad.
PWM— Pulse Width Modulation
PWR— Power
Q
QIQ— Quantization and Inverse Quantization
QMEM— Quantizer Memory
QMR— Quantizer Matrix
QVGA— Quarter Video Graphics Array. One–fourth the resolution of VGA.
R
R/W— Read/Write. Also RW.
R5— Release 5 of 3GPP specifications on IMS and HSDPA standards
R6— Release 6 of 3GPP specifications on Wireless LAN networks, HSUPA, MBMS and enhancements
to IMS standards
RAM— Random Access Memory. A memory element that can be written to, as well as read.
RBB— Reverse Body-Bias
RCA— Relative Card Address
RDR— Receive Data Register
RE— Read Enable
REQ— Request
RF— Radio Frequency
RFB— Remote Frame Buffer
RFBI— Remote Frame Buffer Interface
RFF— Retention Flip-Flop
RGB— Red Green Blue RGBA— Red Green Blue Alpha
RI— Ring Indicator
RM— Reed-Muller code
RO— Read Only
ROM— Read Only Memory. A semiconductor storage element containing permanent data that cannot be
changed.
RST— Reset
RT— Real–Time
RTA— Retention Till Access
RTC— Real–Time Clock. A clock that keeps track of the time even when the device is turned off.
RTL— Register Transfert Level
RTOS— Real–Time Operating System
RTS— Request to Send
RVLC— Reversible Variable Length Coder
RX— Receive/Receiver
RXD— Receive Data
S
S/PDIF— Sony/Philips Digital Interface
S/W— Software
SAM— Signal Amplitude Modulation
SAR— Save and Restore. Hardware context saving for power saving.
SAV— Start of Active Video
SB— Silicon Backplane (Trade Mark)
SBC— Stream Buffer Controller
SCCB— Serial Camera Control Interface. 3-wire and 2-wire serial bus defined and deployed by
Omnivision Technologies, Inc.
SCL— Serial Clock. Programmable serial clock used in the I2C interface. Also SCLK.
SCM— System Control Module
SCP— Serial Configuration Port
SCR— SDIO Configuration Registers
SCRM— System Clock and Reset Manager
SCTM— System Counter Timer Module
SCU— Snoop Control Unit
SD— SD card. A non-volatile memory card.
SDA— Serial Data. Serial data bus in the I2C interface. SDHC— SD High Capacity card
SDIO— SD Input/Output
SDMA— System Direct Memory Access module
SDP— Software Development Platform
SDR— Single Data Rate
SDRAM— Synchronous Dynamic Random Access Memory
SDRC— SDRAM Controller.
SE— Safe Environment.Execution environment inside a device, which is protected against tampering
SFL— Subframe Length
SGX— Accronym for Grafics Accelerator
SIM— Subscriber Identity Module
SIMCOP— Still image coprocessor
SIMD— Single Instruction-Stream, Multiple Data-Stream
SIR— Slow Infrared
SL2— Shared Level 2 (memory/interface)
SLM— Static Leakage Management
SLVS— Scalable Low Voltage Signaling
SMC— Shared Message Channel
SMEM— Sample Memory
SMI— Safe Monitor Interrupt
SMP— Symmetric Multiprocessor Platform
SMPS— Switch Mode Power Supply
SMSET— Software Message and System Event Trace module
SNR— Signal-to-Noise Ratio
SOC— System-On-a-Chip
SOF— Start Of Frame
SP— Serial Port or Small Page
SPI— Serial Port Interface. A signaling protocol for exchanging serial data.
SR— SmartReflex
SRAM— Static Random Access Memory
SRC— Sample Rate Conversion
SRG— Sample Rate Generator
SRP— Session Request Protocol (OTG feature)
SS— Subsystem SSC— Spread Spectrum Clocking
SSI— Serial Synchronous Interface
ST— Start Timer
STC— Store from Coprocessor (to memory) or System Time Clock, which is the master clock in an
MPEG-2 encoder or decoder system.
STM— Synchronous Transfer Mode or Store Multiple.
STN— Super–Twist Nematic. A technique for improving LCD display screens by twisting light rays.
SW— Software
SWI— Software Interrupt
SXGA— Super eXtended Graphics Array
SYSC— System Control Module
SmartReflex— Dynamic voltage sensing module that generates the voltage error signal proportional to
the difference in desired voltage and the current voltage
T
TA— Target Agent
TAP— Test Access Port
TC— Traffic Controller. Allows asynchronous operation among the external memory interface, the MPU,
and the DSP.
TCK— Test Clock
TCM— Tightly Coupled Memory
TD— Transfer Descriptor
TDI— Test Data Input
TDM— Time Division Multiplex/Multiplexing
TDO— Test Data Output
TFT— Thin Film Transistor. A type of LCD flat panel display screen in which each pixel is controlled by
one to four transistors.
TI— Texas Instruments
TL— Transmission Line
TLB— Translation Lookaside Buffer. A cache that contains entries for virtual–to–physical address
translation and access permission checking.
TLL— Transceiver Less Link. This is logic which allows the user to connect two USB transceiver
interfaces together directly without the use of differential transceivers.
TM— Target Module. A target module cannot generate read/write requests to the chip interconnects, but
respond to these requests. However it may generate interrupts or DMA request to the system
(typically: peripherals, memory controllers).
TMDS— Transition Minimized Differential Signaling. A technology for transmitting high-speed serial data
and is used by the DVI and HDMI video interfaces.
TMS— Test Mode Select TOC— Table of Contents
TP— Tiny Page
TRM— Technical Reference Manual
TRST— Test Reset
TRX— USB Tranceiver. The USB analog driver/receiver.
TSHUT— Temperature Shutdown.
TTB— Translation Tabbe Base. It points to the base of a table in physical memory that contains section
and page table descriptors.
TTH— Translation Table Hierarchy
TTL— Transistor Transistor Logic
TWL— Table Walking Logic
TX— Transmit//Transmitter
U
UART— Universal Asynchronous Receiver/Transmitter. Another name for the asynchronous serial port.
UE— Unrecoverable Error
UHS— Definition of SD cards with higher frequency
ULPI— UTMI+ Low Pin Interface (12-pin interface standard for connecting USB core logic to a USB
transceiver)
ULPM— Ultralow-Power Mode
ULPS— Ultralow-Power State
UMC— Unified Memory Controller
USB— Universal Serial Bus. An external bus standard that supports data transfer rates of 12M bps (12
million bits per second). A single USB port can be used to connect up to 127 peripheral devices.
USSE— Universal Scalable Shader Engine
UTMI— USB 2.0 Transceiver Macrocell Interface
V
VA— Volt–Amps. A form of power management. A VA rating is the volts rating multiplied by the amps
(current) rating, used to indicate the output capacity of an uninterruptible power supply (UPS) or
other power source.
VBP— Vertical Back Porch
VC— Virtual Channel
VC-1— Video Codec Standart
VDMA— Video Direct Memory Access module
VENC— Video Encoder
VESA— Video Electronics Standards Association
VFP— Vertical Front Porch VGA— Video Graphics Array. An industry standard for video cards.
VLC— Variable Length Decoder
VLCD— Variable Length Coding and Decoding coprocessor
VLCDJ— Variable-Length Coder/Decoder for JPEG
VLD— Variable Length Coder
VLIW— Very Long Instruction Word
VMODE— Bi-level voltage control interface
VP— Video Port
VRFB— Virtual Rotation Fixed Buffer
VS— Vertical Synchronization
VSEC— Vertical Sync End Code
VSSC— Vertical Sync Start Code
VSW— Vertical Synchronization Pulse Width
VSYNC— Vertical Synchronization. A bidirectional vertical timing signal occurring once per frame with a
pulse–width defined as an integral number of lines (half–lines for interlaced mode). Also VS.
W
WB— Write Buffer
WC— Word Count
WD— Watchdog. A timer that requires the user program or OS periodically write to the count register
before the counter underflows.
WDT— Watchdog Timer
WE— Write Enable
WFI— Wait For Interrupt
WNP— Write Non-Posted
WP— Write Protect
WSS— Wide-Screen Signaling
WT— Write Through
WTBU— Wireless Terminal Business Unit
WUGEN— Wake-Up Generator
Word16— 16 bits word
X
XGA— eXtended Graphics Array. Also XVGA.
XIP— eXecution In Place
Y
YUV— Luminance-Bandwidth-Chrominance e
eMMC— Embedded Multimedia Card
eSD— Embedded SD