Terms and acronyms¶
General Terms and Acronyms¶
- AP¶
- Application Processor¶
The host MCU that implements the user application. Connected to a network processor via a serial interface such as NPI
- BIM¶
- Boot Image Manager¶
A bootloader that runs after the device’s ROM startup code. The BIM is responsible for analyzing the image header of all images and determining the most suitable image to run. Once the BIM has found the proper image, it will jump to it’s program entry.
- CCA¶
- CCFG¶
- Customer Configuration¶
Customer Configuration is set by the application and contains configuration parameters for the ROM boot code, device hardware, and device firmware. It contains lock-bits on the last page of flash. You can read more in the Customer Configuration section in the CC13x0 CC26x0 SimpleLink Wireless MCU Technical Reference Manual.
- CCS¶
- Code Composer Studio¶
An integrated development environment to develop applications for Texas Instruments embedded processors. Download: Code Composer Studio
- cJTAG¶
- compact JTAG¶
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.
- IAR¶
Refers to IAR Systems’ IAR Embedded Workbench, which is an integrated development environment used for building and debugging embedded applications.
- JTAG¶
- Joint Test Action Group¶
IEEE standard 1149.1: Standard Test Access Port and Boundary Scan Architecture Test Access Port (TAP). This standard is known by the acronym JTAG.
- MCU¶
- Microcontroller Unit¶
A small computer on a single integrated circuit.
- OAD¶
- Over the Air Download¶
The process of performing a device firmware update over the air.
- RCFG¶
TI-RTOS in ROM Configuration Table
- ROM¶
- Read-only Memory¶
Type of non-volatile memory used in computers. Once data is written to ROM, the data cannot be removed and can only be read.
- SNV¶
- Simple Non Volatile¶
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.
- SNP¶
- Simple Network Processor¶
A BLE network processor implementation that supports the peripheral and broadcaster GAP Roles.
- UNPI¶
- uNPI¶
- Unified Network Processor Interface¶
An abstraction layer above the serial interface (UART or SPI) that handles sending/receiving data
Bluetooth Low Energy Terms and Acronyms¶
- Anchor Point¶
In Bluetooth Low Energy, it means the start of a connection event.
- API¶
- Application-program interface¶
Refers to the function call.
- BLE¶
- Bluetooth Low Energy¶
Wireless protocol.
- BR¶
- Basic Rate¶
Transmitter characterstic supported by Bluetooth.
- BR/EDR¶
- Basic Rate/Enhanced Data Rate¶
Transmitter characterstic supported by Bluetooth.
- CCCD¶
- Client Characteristic Configuration Descriptor¶
An optional characteristic descriptor that defines how the characteristic may be configured by a specific client.
- CI¶
- Coding Indication¶
Bit field in every BLE packet sent on LE Coded PHY that indicates the coding of the PDU (S=2 or S=8).
- CSRK¶
- Connection Signature Resolving Key¶
A key exchanged during Phase 3 of the bonding process. It is a 128-bit key used to sign data and verify signatures on the receiving device.
- Device Address¶
A 48-bit value used to identify a device. A device address can be public, random static, or random private.
- FEC¶
- Forward Error Correction¶
Error correction used to improve the sensitivity in the LE Coded PHY.
- FAL (formerly known as White List)¶
- Filter Accept List¶
Formerly White List. A filter policy in the Controller’s Link Layer that can prevent unwanted link layer events from waking up the host.
- GAP¶
- Generic Access Profile¶
Defines how each different Bluetooth Low Energy states should be accessed.
- GFSK¶
- Gaussian Frequency-Shift Keying¶
A type of FSK modulation which uses a Gaussian filter to shape the pulses before they are modulated.
- HCI¶
- Host Controller Interface¶
A transport layer between host and the controller, here we refer typically UART.
- IA¶
- Identity Address¶
A Resolvable Private Address that is resolvable with an Identity Resolving Key yields an Identity Address.
- IRK¶
- Identity Resolving Key¶
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,¶
Here we often refer it to ISM radio band which means the radio spectrum reserved for industrial, scientific and medical applications.
- L2CAP¶
- Link Logical Control and Adaption Protocol¶
The protocol defines how packet segmentaion, reassembly and multiplexing.
- LE¶
- Low Energy¶
Bluetooth Low Energy.
- Link Budget¶
The link budget is the ratio between the Tx power and the Rx sensitivity level.
- LL¶
- Link Layer¶
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¶
A bit field in Bluetooth Low Energy which indicates there are more data coming in during specific connection event.
- PHY¶
- Physical layer¶
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¶
A packet or message.
- RL¶
- Resolving List¶
A Link Layer maintained table of one or more entries of a local and peer Identity Resolving Key associated to an Identity Address.
- RPA¶
- Resolvable Private Address¶
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.
- RPAO¶
- Resolvable Private Address Only¶
A required GATT characteristic called “Resolvable Private Address Only” that is used with Network Privacy Mode.
- SCA¶
- Sleep Clock Accuracy¶
Sleep clock accuracy determines the average timing of the BLE activities, which should drift less than or equal to +/-500ppm.
- SNV¶
- Simple Non-Volatile storage¶
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.
- SPSM¶
- Simplified Protocol/Service Multiplexer¶
The SPSM field is two octets in length. SPSM values are separated into two ranges. Values in the first range are assigned by the Bluetooth SIG and indicate protocols. Values in the second range are dynamically allocated and used in conjunction with services defined in the GATT server.
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¶
- 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 (SYS/BIOS) User’s Guide.
Over the Air Download (OAD) Terms and Acronyms¶
- BIM¶
- Boot Image Manager¶
A bootloader that runs after the device’s ROM startup code. The BIM is responsible for analyzing the image header of all images and determining the most suitable image to run. Once the BIM has found the proper image, it will jump to it’s program entry.
- OAD¶
- Over-the-Air Download¶
The process of performing a device firmware update over the air.
- CCCD¶
Client Characteristic Configuration Descriptor
- OAD Target¶
The device whose firmware is being upgraded over the air. This is assumed to be a CC26xx device running the TI OAD service.
OAD Target App also refers to the Image A project for on-chip OAD applications
- OAD Downloader¶
The device responsible for accepting an OAD enabled image from the compiler and transferring it over the air to the OAD target.
- SNV¶
- Simple Non Volatile.¶
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.
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.