February 16, 2011
3
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
< br /> 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
< br /> 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
< br /> 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. < br />
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
< br /> 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
< br /> 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 < br />
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 < br />
CLK-Clock
CLUT-Color Look-Up Table
CM-Clock Management
CMEM-Coefficient Memory < br />
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 < br />
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
< br /> 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 < br />
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 < br />
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 …). < br />
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 < br />
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 < br />
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. < br />
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 < br />
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
< br /> 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
< br /> 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 < br />
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 < br />
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 < br />
LCD backlighting and keypad.
PWM-Pulse Width Modulation
PWR-Power
Q
< br /> 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
< br /> 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 < br />
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 < br />
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
< br /> 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 < br />
SMSET-Software Message and System Event Trace module
SNR-Signal-to-Noise Ratio
SOC-System-On-a-Chip < br />
SOF-Start Of Frame
SP-Serial Port or Small Page
SPI-Serial Port Interface. A signaling protocol for exchanging serial data. < br />
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
< br /> 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. < br />
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
< br /> (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
< br /> 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)
< br /> 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