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Peripheral chapters
Register overview table
Register tables
Registers
Product overview
Block diagram
Memory and package overview
Power domains
Address format
Memory
CPU
CPUC — CPU control
Instantiation
AMBA interconnect (AMBIX)
EasyDMA
CACHE — Instruction/data cache
FICR — Factory information configuration registers
MEMCONF — Memory configuration
RRAMC — Resistive random access memory controller
SWI — Software interrupts
UICR — User information configuration registers
Power and clock management
System ON mode
System OFF mode
Power supply supervisors
CLOCK — Clock control
OSCILLATORS — Oscillator control
POWER — Power control
REGULATORS — Regulator control
RESET — Reset control
Event system
DPPI latencies
DPPI — Distributed programmable peripheral interconnect
PPIB — PPI Bridge
Security
CRACEN TRNG — True Random Number Generator
TAMPC — Tamper controller
Peripherals
Peripheral interface
Instantiation
AAR — Accelerated address resolver
CCM — AES CCM mode encryption
ECB — AES electronic codebook mode encryption
EGU — Event generator unit
GPIO — General purpose input/output
GPIOTE — GPIO tasks and events
GRTC — Global real-time counter
PWM — Pulse width modulation
QDEC — Quadrature decoder
RADIO — 2.4 GHz radio
SAADC — Successive approximation analog-to-digital converter
SPIM — Serial peripheral interface controller with EasyDMA
SPIS — Serial peripheral interface target with EasyDMA
TEMP — Temperature sensor
TIMER — Timer/counter
TWIM — I2C compatible two-wire interface controller with EasyDMA
TWIS — I2C compatible two-wire interface target with EasyDMA
UARTE — Universal asynchronous receiver/transmitter with EasyDMA
WDT — Watchdog timer
Debug
Debug access port
Access port protection
Debug Interface mode
Real-time debug
Multidrop serial wire debug
CTRL-AP — Control access port
TAD — Trace and debug control
Pin assignments
QFN48 (QFAA) package
Reference circuitry
Reflow conditions
Electrical specifications
Current consumption
CLOCK Electrical specification
CPU Electrical specification
GPIO Electrical specification
OSCILLATORS Electrical specification
REGULATORS Electrical specification
RESET Electrical specification
SPIM Electrical specification
SPIS Electrical specification
SWDP Electrical specification
TEMP Electrical specification
TWIM Electrical specification
TWIS Electrical specification
WDT Electrical specification
Recommended operating conditions
Absolute maximum ratings
Legal notices
Revision history
Date
Version
Description
March 2026
0.6
Preliminary release
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