Abbreviation/Signal |
Type |
Description |
Short |
Accumulatur |
|
Signal |
Same as ACLK_REF |
|
Short |
Reference clock from OSC_TOP to AUX. Source is selectable. This clock signal can be used as an event in AUX |
|
Signal |
Internal Signal |
|
Short |
Audio Data line 0 |
|
Short |
Audio Data line 1 |
|
Short |
Analog to Digital Converter |
|
Signal |
Internal Signal |
|
Short |
ADC reference voltage |
|
Module |
Analog to Digital Interface |
|
Short |
AMBA High-speed Bus |
|
Short |
Audio Inter Face |
|
Short |
Amplitude Compensation |
|
Short |
Voltage domain that is Always On |
|
Module |
Always on Event routing |
|
Module |
Always ON Real Time Clock |
|
Module |
Always ON WakeUp Control |
|
Short |
Advanced RISC Machines |
|
Signal |
Trace data bus for in ATB interface port 1. Connects to ETM when ETM is present. Connects to ITM when ETM does not exist. |
|
Signal |
Trace data bus for in ATB interface port 2. Connects to ITM when ETM is present. Tied-off when ETM does not exist. |
|
Short |
Analog Test |
|
Module |
AUX is the name of the Sensor Controller subsystem, it consists of a collection of modules used for simple tasks such as sensor communication. The modules can be used by both CPU and AUX_SCE. |
|
Short |
Combined event from AUX to MCU domain. See user guide for details |
|
Short |
Comparator B. Analog peripheral of AUX. In AUX this can also refer to the event coming from this comparator |
|
Short |
AUX Sensor Controller Engine |
|
Short |
Generic term for one or more IOs assigned to AUX by [IOC:IOCFGn:PORT_ID] configuration |
|
Short |
Special register in CPU used to prevent activation of exceptions based on their priority level |
|
Short |
Battery and Temperature Monitor. Sometimes also referred to at simply Battery Monitor |
|
Short |
Bit clock for the WCLK and serial audio data signals. This signal is an input when using an external clock source and output when using the internal clock source. |
|
Short |
Branch Event 0. SCE instruction |
|
Short |
Branch Event 1. SCE instruction |
|
Short |
Bus Fault Status Register |
|
Short |
CPU instruction, BreaKPoinT |
|
Short |
Interconnect or power domain including interconnect |
|
Short |
CPU instruction, Branch and eXchange instruction set |
|
Short |
Capture Compare PWM |
|
Signal |
Internal Signal |
|
Module |
Power domain that contains clock management for MCU system |
|
Short |
||
Module |
Comparator A. |
|
Signal |
Comparator A Input Signal |
|
Short |
Comparator A Reference. |
|
Module |
Comparator B |
|
Short |
Comparator B Reference |
|
Short |
Special register in CPU used to control selector for main stack/process stack and selector for privileged/unpriviledged modes |
|
Short |
Command and Packet Engine |
|
Short |
Cycles Per Instruction |
|
Short |
Central processing unit or power domain including system CPU |
|
Module |
Encryption engine |
|
Short |
Chip Select. Signal used in SPI. |
|
Short |
Clear To Send, primary input to UART module from Ios |
|
Short |
Digital to Analog Converter |
|
Short |
Debug Access Port |
|
Short |
Direct Current |
|
Module |
DCDC regulator for regulating VDDR |
|
Module |
Didital to Digital Interface |
|
Short |
DeepSleep Mode for CPU |
|
Short |
Digital IO |
|
Short |
Direct Memory Access |
|
Module |
Frequency doubling sub-module |
|
Short |
Single Phase Audio Interface Format |
|
Short |
||
Short |
Elliptic Curve Cryptography |
|
Short |
Execution PSR |
|
Short |
Enhanced Trace Macrocell |
|
Module |
Event Fabric |
|
Signal |
A pre-defined value saved to LR on exception entry. This value indicates the required return stack and processor mode when returning from the exception |
|
Short |
Special register in CPU used to prevent activation of all exceptions except NMI |
|
Short |
First In First Out |
|
Module |
FLASH |
|
Module |
Flash Memory Controller |
|
Short |
||
Module |
Free Running Oscillator |
|
Short |
Finite State Machine |
|
Short |
Serial Frame signal for SSI interface |
|
Module |
||
Module |
General Purpose Input/Output |
|
Short |
General Purpose RAM |
|
Module |
General Purpose Timer |
|
Module |
GPT module 0 |
|
Module |
GPT module 1 |
|
Module |
GPT module 2 |
|
Module |
GPT module 3 |
|
Signal |
State |
|
Short |
High precision oscillator |
|
Short |
Hardware |
|
Module |
Inter-Integrated Circuit, a multimaster serial single-ended computer bus |
|
Module |
Inter-IC Sound, audio interface |
|
Short |
I2S Interrupt Request |
|
Short |
IDentification number |
|
Signal |
State |
|
Short |
Input/Output |
|
Module |
Input/Output Configurator |
|
Short |
Interrupt PSR |
|
Short |
Current Proportional to Absolute Temperature |
|
Short |
Interrupt Service Routine |
|
Short |
Current source |
|
Short |
CPU instruction, IF-THEN |
|
Short |
Instrumentation Trace Macrocell |
|
Short |
Joint Test Action Group. The name of the organization that developed standard IEEE 1149.1. This standard defines a boundary-scan architecture used for in-circuit testing of integrated circuit devices. It is commonly known by the initials JTAG. |
|
Short |
CPU instruction, Load Multiple |
|
Short |
Low Drop-Out voltage regulator |
|
Short |
CPU instruction, Load Register |
|
Short |
CPU instruction, Doubleword Load Register |
|
Short |
Linear Feedback Shift Register |
|
Short |
Dual Phased Left Justified Audio Interface Format |
|
Signal |
State |
|
Short |
Link Register 12 from Cortex M Processor |
|
Short |
Least Significant Bit |
|
Short |
Load Store Unit |
|
Short |
Least Significant Word |
|
Short |
High-speed master clock used for sample conversion in the external audio device. This signal is not unused when using an external clock source. |
|
Short |
Microcontroller Unit |
|
Short |
Power doamin that is always powered when MCU voltage domain is powered |
|
Short |
Undivided MCU system clock |
|
Short |
Master Input Slave Output. Signal used in SPI. |
|
Short |
Memory Manage Fault Status Register |
|
Short |
Master Output Slave Input. Signal used in SPI. |
|
Short |
Memory Protection Unit |
|
Short |
CPU instruction, Move the contents of a special register to a general-purpose register |
|
Short |
Most Significant Bit |
|
Short |
Main Stack Pointer |
|
Short |
Most Significant Word |
|
Short |
Non-Maskable Interrupt |
|
Short |
Non Return-to-Zero |
|
Short |
Nested Vectored Interrupt Controller |
|
Short |
In AUX this refers to bit 0 of the signals that can be routed from the observability mux to AUX |
|
Module |
Oscillators Digital control |
|
Short |
Program Counter |
|
Short |
Power domain including peripheral modules |
|
Short |
Public Key Accelerator |
|
Public Key Co-Processor", "Short" |
||
Module |
Power Management Controller |
|
Short |
CPU instruction, Pop register(s) off the stack |
|
Short |
Parts Per Million |
|
Module |
Power Reset Clock Manager |
|
Short |
Special register in CPU used to prevent activation of all exceptions with configurable priority |
|
Short |
Process Stack Pointer |
|
Short |
Program Status Register |
|
Short |
Pulse Width Modulation |
|
Short |
General-purpose Register 0 from Cortex M Processor |
|
Short |
General-purpose Register 1 from Cortex M Processor |
|
Short |
General-purpose Register 10 from Cortex M Processor |
|
Short |
General-purpose Register 11 from Cortex M Processor |
|
Short |
General-purpose Register 12 from Cortex M Processor |
|
Short |
General-purpose Register 2 from Cortex M Processor |
|
Short |
General-purpose Register 3 from Cortex M Processor |
|
Short |
General-purpose Register 4 from Cortex M Processor |
|
Short |
General-purpose Register 5 from Cortex M Processor |
|
Short |
General-purpose Register 6 from Cortex M Processor |
|
Short |
General-purpose Register 7 from Cortex M Processor |
|
Short |
General-purpose Register 8 from Cortex M Processor |
|
Short |
General-purpose Register 9 from Cortex M Processor |
|
Short |
||
Short |
RC Oscillator |
|
Signal |
RC-oscillator High Frequency module or the clock signal outputted by this module |
|
Short |
RC Oscillator, High Frequency |
|
Short |
RC Oscillator, Low Frequency |
|
Short |
RC Oscillator, Medium Frequency |
|
Short |
See rcosc_hf |
|
Short |
Reference System. Module generating refernce voltages and reference currents for use in analog blocks. |
|
Signal |
DMA Burst read Request signal |
|
Module |
Radio Frequency |
|
Module |
RF Core |
|
Module |
RF Engine |
|
Short |
Reduced Instruction Set Computer |
|
Short |
Dual Phased Right Justified Audio Interface Format |
|
Short |
Read Only Memory |
|
Short |
Real Time Clock |
|
Short |
4 kHz signal coming from the RTC counter. Can be used by timers in AUX |
|
Signal |
16 KHz signal used to synchronize the radio timer to RTC |
|
Short |
Register Transfer Level |
|
Short |
Real-Time Operating System |
|
Short |
Request To Send, primary output from UART module to Ios |
|
Short |
Receive |
|
Short |
||
Short |
Successive Approximation Register (used for Binary Search) |
|
Short |
Sensor Controller Engine |
|
short |
Serial CLock, I2C clock line |
|
Short |
Serial Clock. Signal used in SPI. |
|
Signal |
System Clock High Frequency |
|
Short |
System Clock, High Frequency |
|
Signal |
System Clock, Low Frequency |
|
Short |
System Clock, Low Frequency |
|
Short |
System Clock, Medium Frequency |
|
Signal |
||
Short |
CPU instruction, Signed Divide |
|
Short |
Power domain including serial modules |
|
Short |
CPU instruction, Send Event |
|
Short |
Lowest possible powermode, where all but the VDDS domain is powered off |
|
Short |
Serial Modem Interface |
|
Short |
Stack Pointer |
|
Short |
Serial Peripheral Interface |
|
Short |
Static Random Access Memory |
|
Signal |
DMA Burst read Request signal |
|
Short |
Synchronous Serial Interface |
|
Module |
Instance 0 of SSI Module |
|
Module |
Instance 1 of SSI Module |
|
Short |
CPU instruction, Store Multiple |
|
Short |
CPU instruction, Doubleword Store Register |
|
Short |
CPU instruction, Supervisor Call |
|
Short |
Software |
|
Short |
Serial Wire Output |
|
Signal |
Serial Wire Viewer Debug Signal from CPU Module |
|
Short |
CPU system bus |
|
Short |
Test Access Port |
|
Signal |
JTAG compliant pin (test clock) |
|
Short |
Temperature Compensated Crysal Oscillator, Alternalive to simple XTAL |
|
Short |
Time to Digital Converter |
|
Short |
Texas Instruments |
|
Short |
Trace Port Analyzer |
|
Short |
||
Module |
True Random Number Generator |
|
Short |
Transmit |
|
Short |
||
Short |
Universal Asynchronous Receiver/Transmitter |
|
Module |
Instance 0 of UART Module |
|
Module |
Instance 1 of UART Module |
|
Short |
Receive input, Primary input to UART module from Ios |
|
Short |
Transmit output, Primary output from UART module to Ios |
|
Short |
CPU instruction, Unsigned Divide |
|
Module |
Micro DMA |
|
Short |
||
Short |
Usage Fault Status Register |
|
Module |
Micropower Low Drop-out Voltage Regulator |
|
Signal |
Regulated supply voltage for digital domain. |
|
Signal |
Internal Signal |
|
Signal |
Regulated (1.7V?) supply voltage. |
|
Signal |
Main supply voltage (battery). |
|
Short |
Power domain including Flash memory |
|
Short |
Sample framing signal/clock that defines the sample frequency and the word boundaries in the serial data stream. The WCLK frequency is identical to the sample frequency. This signal is an input when using an external clock source and output when using the internal clock source. |
|
Module |
Watch Dog Timer |
|
Short |
Wait Event 0. SCE instruction |
|
Short |
Wait Event 1. SCE instruction |
|
Short |
CPU instruction, Wait For Event |
|
Short |
CPU instruction, Wait For Interrupt |
|
Module |
Wakeup Interrupt Controller |
|
Short |
eXecute Never |
|
Short |
Crystal Oscillator |
|
Signal |
See XOSC_HF |
|
Short |
Crystal Oscillator, High Frequency |
|
Signal |
See XOSC_LF |
|
Short |
Crystal Oscillator, Low Frequency |
|
Short |
See XOSC_HF |
|
Short |
Program Status Register |
|
Short |
Crystal |