▪ Compatible with Bluetooth® 5.2, ETSI EN 300 328

and EN 300 440 Class 2 (Europe), FCC CFR47 Part

15 (US) and ARIB STD-T66 (Japan)

▪ Flexible processing power

• 32 kHz up to 64 MHz 32-bit Arm Cortex-M33TM with

8 kB, four-way associative cache and FPU

• A flexible and configurable Bluetooth® LE MAC

engine based on Arm Cortex-M0+TM with an 8 kB,

four-way associative cache

▪ Memory

• 256 kB embedded Flash

• 96 kB Data SRAM with retention

• 8 kB Caches with retention for Cortex M33 and

M0+ respectively

• 288 kB ROM (including boot ROM, PKI routines,

and Bluetooth® LE stack)

▪ Power/Clock management

• Buck DCDC converter

• Operating range: from 1.7 V to 3.6 V

• 32 MHz or 64 MHz system clock using a doubler

• Fast wake-up from sleep in <15 µs

▪ Current Consumption

• Hibernation <100 nA

• 1.2 mA RX at VBAT = 3 V

• 2.3 mA TX at VBAT = 3 V and 0 dBm

• 3.5 µA at sleep with all RAM retained