Terms and Definitions¶
Bluetooth Low Energy Terms and Acronyms¶
- Anchor Point
- In Bluetooth Low Energy, it means the start of a connection event.
- Application-program interface
- API
- Refers to the function call.
- BLE
- Bluetooth Low Energy
- BR
- Basic Rate
- BR/EDR
- Basic Rate/Enhanced Data Rate
- CCCD
- Client Characteristic Configuration Descriptor
- Coding Indication
- CI
- Bit field in every BLE packet sent on LE Coded PHY that indicates the coding of the PDU (S=2 or S=8).
- Device Address
- A 48-bit value used to identify a device. A device address can be public, random static, or random private.
- Forward Error Correction
- FEC
- Error correction used to improve the sensitivity in the LE Coded PHY.
- GAP
- Generic Access Protocol
- GFSK
- Gaussian Frequency-Shift Keying
- HCI
- Host Control Interface
- Identity Address
- IA
- A Resolvable Private Address that is resolvable with an Identity Resolving Key yields an Identity Address.
- Identity Resolving Key
- IRK
- A key exchanged during Phase 3 of the bonding process. A Resolving List contains a local and a peer Identity Resolving Key as well as an Identity Address.
- ISM
- Industrial, Scientific, and Medical
- L2CAP
- Link Logical Control and Adaption Protocol
- LE
- Low Energy
- Link Budget
- The link budget is the ratio between the Tx power and the Rx sensitivity level.
- Link Layer
- LL
- A Bluetooth Low Energy stack layer in on the controller side.
- LTK
- Long Term Key
- A term defined by the Bluetooth Core Specification Version 5.1 referring to the key used for encypted connections.
- MD
- More data
- Multi-path fading
- When the radio signal is not only received via the direct path, but also via reflections off nearby objects. The direct and reflected paths may interfere constructively or destructively
- Physical layer
- PHY
- The physical layer is the lowest layer of the Bluetooth protocol stack. It configures the physical parameters of the radio transmission and reception. It determines how a bit (and its value) are represented over the air.
- PDU
- Protocol Data Unit
- Resolving List
- RL
- A Link Layer maintained table of one or more entries of a local and peer Identity Resolving Key associated to an Identity Address.
- Resolvable Private Address
- RPA
- A resolvable address is one that can be resolved given that the device has an Identity Resolving Key. By resolving a Resolvable Private Address one can determine its Identity Address.
- Resolvable Private Address Only
- RPAO
- A required GATT characteristic called “Resolvable Private Address Only” that is used with Network Privacy Mode.
- Simple Non-Volatile storage
- SNV
- An abstraction layer used by the BLE stack for reading and writing to non volatile memory. The GAPBondMgr layer of stack uses SNV to store keys. This region can also be used by the user.
- Filter Accept List (formerly White List)
- FAL (formerly WL)
- A filter policy in the Controller’s Link Layer that can prevent unwanted link layer events from waking up the host.
General Terms and Acronyms¶
- AP
- Application Processor
- An processor that implements the customer application as well the serial command interface to communicate with a network processor.
- BIM
- Boot Image Manager, the software bootloader
- .bss
- Block started by symbol. This memory section usually contains uninitialized variables including the task stacks.
- CCA
- CCFG
- Customer Configuration
- CCFG
- Customer Configuration Area, contains lock-bits on flash page 31 and the Customer Configuration Table (.ccfg)
- CCS
- Code Composer Studio
- An integrated development environment to develop applications for Texas Instruments embedded processors. Download: Code Composer Studio
- cJTAG
- Class 4 IEEE 1149.7: Standard for Reduced-pin and Enhanced-functionality Test Access Port and Boundary-scan Architecture. This is known by acronym cJTAG (compact JTAG).
- GCC
- GNU Compiler Collection
- A compiler system produced by the GNU Project, which support various programming languages such as C and C++.
- GPRAM
- General purpose RAM. This memory area is used for the cache per default, but can be configured to be used as RAM.
- HIB
- Halt In Boot. A mechanism in CC26xx and CC13xx devices to ensure that the external emulator can take control of the device before it executes any application code.
- IAR
- IAR Systems
- JTAG
- IEEE standard 1149.1: Standard Test Access Port and Boundary Scan Architecture Test Access Port (TAP). This standard is known by the acronym JTAG (Joint Test Action Group).
- MCU
- Micro-controller Unit
- Network Processor
- NP
- A device that contains the wireless protocol stack as well as RF hardware. Stack functionality is exposed via a serial interface.
- NVS
- Non-Volatile Storage
- Storage of data in non-volatile memory (NVM). NVM retains saved data during power cycles. In the context of CC2640R2 devices, NVM either refers to the internal flash or some external flash.
- OAD
- Over the Air Download
- RCFG
- TI-RTOS in ROM Configuration Table
- ROM
- Read-only Memory
- SNV
- Simple Non-Volatile storage
- SNP
- Simple Network Processor, a BLE network processor implementation that supports the peripheral and broadcaster GAP Roles.
- SysConfig
- System Configuration Tool
- SysConfig is a graphical interface for configuring software projects. Configuration files, C source files and header files are generated based on the parameters configured in the SysConfig dashboard. SysConfig is not supported on the CC2640R2.
- RTSC
- Real Time Software Components
- A toolset for creating reusable code, used by TI-RTOS. See RTSC and RTSC-Pedia.
- TI-CGT
- TI Code Generation Tools
- Set of C/C++ Compilers and Assembly Language tools for many TI microcontrollers and processors. For more information, see TI Code Generation Tools.
- UNPI
- Unified Network Processor Interface, a standardized serial transport format that is implemented by TI for the purposes of interfacing to network processor devices like the SNP. UNPI also manages the handshaking required for the serial interface.
- VIMS
- Versatile Instruction Memory System. A system control module that handles access to the device memory areas from the CPU and system bus. You can read more in the CC13x0 CC26x0 SimpleLink Wireless MCU Technical Reference Manual.
TI-RTOS Terms and Acronyms¶
- HWI
- Hardware Interrupts
- A TI-RTOS hardware interrupt.
- Idle Task
- A TI-RTOS default task that is executes when no other higher priority thread needs to run.
- RCFG
- TI-RTOS in ROM configuration table.
- ROV
- Runtime Object View
- A TI-RTOS kernel plugin for CCS and IAR to view a target’s instrumentation data.
- RTC
- Real-Time Clock
- An accurate computer clock which keeps track of the current time.
- RTOS
- Real Time Operating System
- An operating system intended to serve applications with real-time requirements.
- SWI
- Software Interrupts
- A TI-RTOS software interrupt.
- TI-RTOS
- Texas Instruments Real Time Operating System
- An RTOS developed by TI for TI microcontrollers.
- Zero-Latency Interrupts
- An interrupt that will not be routed through the TI-RTOS kernel’s Hwi dispatcher. For more information, see the Hwi module documentation in the TI-RTOS Kernel API Reference .
Sensor Controller Terms and Acronyms¶
- SC
- Sensor Controller
- A dedicated 16-bit CPU core on CC13xx and CC26xx devices, located in the auxiliary (AUX) power/clock domain. It can perform simple background tasks autonomously and independently of the System CPU and the MCU domain power states.
- SCS
- Sensor Controller Studio
- A stand-alone IDE used to write, test and debug code for the Sensor Controller.
NPI Terms and Acronyms¶
- NPI
- Network Processor Interface
- Abstraction level above serial interface for sending / receiving data power management, and data parsing
- MRDY
- Master Ready
- GPIO pin that indicates the state of the master
- SRDY
- Slave Ready
- GPIO pin that indicates the state of the slave
- AIND
- Asynchronous Indication
- An asynchronously received NPI message sent from the network processor to the host / application processor.
- AREQ
- Asynchronous Request
- An asynchronously received NPI message sent from the host / application processor to the network processor.
- FCS
- Frame Check Sequence
- An error-detecting code added to a frame
- SOF
- Start of Frame
- A specific known byte specifying the beginning of a frame
- SREQ
- Synchronous Request
- A blocking NPI request that expects an ((SRESP))
- SRESP
- Synchronous Response
- A response to a ((SREQ))
- UNPI
- Unified ((NPI))
- NPI used except for with HostTest
- Network Processor
- NP
- A device that contains the wireless protocol stack as well as RF hardware. Stack functionality is exposed via a serial interface.
- Application Processor
- AP
- An processor that implements the customer application as well the serial command interface to communicate with a network processor.