Block Diagram

Arm Cortex-M33
DSP, FPU, TrustZone
128 / 64 MHz
1 MB Flash
512 kB RAM
Debug
(SWD, DWT,
ETM, ITM, CTI)
QSPI
SPI
(x5)
I2C
(x4)
UART
(x4)
CryptoCell-312 TRNG
I2S
PDM
PWM
(4x 4ch)
IPC
(x16)
Timer/Counter
(x3)
RTC
(x2)
DPPI
(x32)
MUTEX
(x16)
NFC
USB
Application core
Arm Cortex-M33
64 MHz
256 kB Flash
64kB RAM
Debug
(SWD, SWO)
SPI I2C UART
Temperature
Sensor
IPC
(x16)
Timer/Counter
(x3)
RTC
(x2)
DPPI
(x16)
MUTEX
(x16)
Network core
Radio
Bluetooth LE
IEEE 802.15.4
Proprietary
ADC
8 ch, 12-bit
Clock management Watchdog timers
QDEC
(x2)
32 MHz
crystal
DC / DC and LDO regulators
nRF5340
NORA-B1
NORA-B106
PCB trace
NORA-B101
Antenna pin
GPIO (x48)
Inductors
NORA-B100
U.FL connector