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

SSI Clock Out, primary Output from SSI to IOs

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

Subblock in CPU. See CPU_DWT

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

Subblock in CPU. See CPU_FPB

Module

Free Running Oscillator

Short

Finite State Machine

Short

Serial Frame signal for SSI interface

Module

Global LDO for regulating VDDR

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

ADC in OSC_DIG

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

SSI Receive Input, primary input to SSI from IOs

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

Serial Chip Select for AON SPI-S Interface. (IOC Context)

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

Subblock in CPU. See CPU_TPIU

Module

True Random Number Generator

Short

Transmit

Short

SSI Transmit Output,Primary output from SSI to IOs

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

Micro DMA, an ARM IP

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